Xerox WorkCentre 5790 Series Service Manual
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Xerox WorkCentre 5790 Series Service Manual

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Table of Contents

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708P90298
May 2013
Xerox
WorkCentre
5790 Family
®
®
Service Manual

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Summary of Contents for Xerox WorkCentre 5790 Series

  • Page 1 708P90298 May 2013 Xerox WorkCentre 5790 Family ® ® Service Manual...
  • Page 2 All service documentation is supplied to Xerox external customers for informational purposes only. Xerox service documentation is intended for use by certified, product trained service per- sonnel only. Xerox does not warrant or represent that it will notify or provide to such customer any future change to this documentation. Customer performed service of equipment, or modules, components or parts of such equipment may affect whether Xerox is responsible to fix machine defects under the warranty offered by Xerox with respect to such equipment.
  • Page 3 How To Use This Manual ....................Change History........................ Mod / Tag Identification ....................viii Voltages Resistances and Tolerances ................Safety Information ......................Health and Safety Incident reporting ................Translation of Warnings ....................xiii Introduction May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 4 Introduction May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 5 This manual is part of a multinational service documentation system that is structured in the Always start with the Service Call Procedures, Section 1. Perform Initial Actions and verify the standard Xerox service manual format. problem, then follow the directions given.
  • Page 6 RAP 11D 2K LCSS Power Distribution • REP 8.48 Tray 3 Stack Height Sensor (W/TAG 151) • RAP 11G-110 2K LCSS PWB Damage • REP 8.49 Tray 3 Empty Sensor (W/TAG 151) Introduction May 2013 Change History Xerox® WorkCentre® 5790 Family...
  • Page 7 T7964-04-11 Boot up failure-blank UI • PL 31.11 Maintenance/Installation/removal Kits (2 of 5) • T7965-04-12 Boot up failure from cold - Green splash screen • PL Common Hardware • GP 3 Service Information Introduction May 2013 Change History Xerox® WorkCentre® 5790 Family...
  • Page 8 170792 Cleaning streaks, spots, toner bridging, solidified in XCRU • RAP 11-364-110 Stapling Failure • 172538 Detack problem, XCRU stripper finger contamination, marks, spots • RAP 11F-110 2K LCSS PWB DIP Switch Settings Introduction May 2013 Change History Xerox® WorkCentre® 5790 Family...
  • Page 9 REP 8.24 Tray 1 or Tray 2 Feed Sensor • RAP 08-115B, 08-117B Tray 5 Misfeed (65-90 ppm) • REP 11.1-171 HVF Covers • RAP 08-132 Tray 3 Paper Feed Jam (W/TAG 151) Introduction May 2013 Change History Xerox® WorkCentre® 5790 Family...
  • Page 10 Mod/Tag L-012 • Mod/Tag P-011 • Mod/Tag P-050 • Mod/Tag P-051 The following Service Bulletins have been incorporated: • 1266820 600T02329 Setup Tool Tray 5 or 6 Introduction May 2013 Change History, Mod / Tag Identification viii Xerox® WorkCentre® 5790 Family...
  • Page 11 Symbols Used in Circuit Diagrams Refer to Figure Voltage supplied to the signal circuit Logic level when the signal is available Wire color Figure 1 Signal Nomenclature Introduction May 2013 Voltages Resistances and Tolerances Xerox® WorkCentre® 5790 Family...
  • Page 12 Figure 2 Symbols used in circuit diagrams Introduction May 2013 Voltages Resistances and Tolerances Xerox® WorkCentre® 5790 Family...
  • Page 13 During servicing, the invisible laser radiation can cause eye damage if looked at Only use genuine Xerox approved spare parts or components to maintain compliance with leg- directly.
  • Page 14 Define actions to correct confirmed incidents. ensure Xerox regulatory compliance. VI. Appendices IV. Definitions The Health and Safety Incident Report involving a Xerox Product (Form # EH&S-700) is avail- Incident: able in the locations that follow: • On electronic documentation (EDOC), located in the folder \safety.
  • Page 15 DANGER: Prendre des précautions lors du relevé de la tension de la prise de courant ella. alternatif. L'électricité peut entraîner des blessures graves voire mortelles. Introduction May 2013 Translation of Warnings Xerox® WorkCentre® 5790 Family xiii...
  • Page 16 AVVERTENZA: Evitare l'esposizione al fascio laser. Radiazioni laser invisibili. von der Schneidevorrichtung fernhalten. Die Schneidevorrichtung wird schnell und mit VORSICHT: Nicht in den Laserstrahl blicken. Verletzungsgefahr durch unsichtbare viel Druck ausgelöst. Laserstrahlung. Introduction May 2013 Translation of Warnings Xerox® WorkCentre® 5790 Family...
  • Page 17 VORSICHT: Bei diesem Vorgang vorsichtig vorgehen, damit keine Verletzungen durch VORSICHT: Behälter 5 nicht umstoßen.Der Behälter ist nach der Trennung vom Gerät die scharfen Kanten entstehen. sehr instabil.Benutzer nicht im Trennen des Behälters vom Gerät einweisen. Introduction May 2013 Translation of Warnings Xerox® WorkCentre® 5790 Family...
  • Page 18 VORSICHT: Glas nicht zerbrechen - Verletzungsgefahr. AVISO: No rompa el cristal. El cristal roto puede ocasionar daños. WARNING Wear protective gloves when using solvents and cleaning agents, PL 26.10 Item 10 Introduction May 2013 Translation of Warnings Xerox® WorkCentre® 5790 Family...
  • Page 19 AVISO: No utilizar la cubierta derecha (W/TAG 148) con otro dispositivo de salida que no sea el conjunto de Transporte de OCT (Bandeja Receptora de Compaginación). Si no se utiliza bien, la cubierta derecha deja expuestas piezas móviles que pueden causar lesiones. Introduction May 2013 Translation of Warnings Xerox® WorkCentre® 5790 Family xvii...
  • Page 20 Introduction May 2013 Translation of Warnings xviii Xerox® WorkCentre® 5790 Family...
  • Page 21 SCP 1 Initial Actions......................SCP 2 First Call Actions ....................SCP 3 Normal Call Actions ..................... SCP 4 Fault Analysis....................... SCP 5 Subsystem Maintenance..................SCP 6 Final Actions ......................SCP 7 Machine Features ....................Service Call Procedures May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 22 Service Call Procedures May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 23 If this service call is the first service call to this machine, go to SCP 2 First Call Actions. If this service call is not the first call, go to SCP 3 Normal Call Actions. Service Call Procedures May 2013 SCP 1 Xerox® WorkCentre® 5790 Family...
  • Page 24 Registration sensor, (35-55 ppm) PL 8.15 Item 3, (65-90 ppm) PL 8.17 Item • HVF Bin 1 rear wall sensor, PL 11.140 Item Go to SCP 4 Fault Analysis. Service Call Procedures May 2013 SCP 2, SCP 3 Xerox® WorkCentre® 5790 Family...
  • Page 25 If the machine has a 1K LCSS fault, but not a fault code, perform the procedures that fol- • If the user interface is not illuminated, go to the Touch Screen Failure RAP. low, as appropriate: Service Call Procedures May 2013 SCP 4 Xerox® WorkCentre® 5790 Family...
  • Page 26 Foreign device. Go to ACC 1 Foreign Device Checkout. – 11-300-171, 11-302-171, 11-303-171 HVF Docking and Interlocks RAP • Xerox extensible interface platform faults. Go to the OF14 Xerox Extensible Interface Platform RAP. – 11A-171 HVF BM Power Distribution RAP.
  • Page 27 If the speed has not been specified, the life expectancy for the part applies to all machines within the product family. Service Call Procedures May 2013 SCP 4, SCP 5 Xerox® WorkCentre® 5790 Family...
  • Page 28 PL 11.179 • For special tools and consumables, refer to GP 8 Special Tools and Consumables. rolls Part of inserter • Go to SCP 6 Final Actions. pickup assembly Service Call Procedures May 2013 SCP 5 Xerox® WorkCentre® 5790 Family...
  • Page 29 14. At the completion of the service call report the three billing counters in order, billing • Envelope kit. counter C13, billing counter C1 and billing counter C2. • Assistive UI kit (Xerox copier assistant). • Server Fax kit. • 2 hole punch kit.
  • Page 30 WC5775 with DADH, HCF, work shelf and HVF. Figure 2 WC5740 with DADH, work shelf and OCT • Figure 6 WC5790 with DADH, HCF, work shelf and HVF BM. Service Call Procedures May 2013 SCP 7 1-10 Xerox® WorkCentre® 5790 Family...
  • Page 31 Figure 5 WC5775 with DADH, work shelf and HVF Figure 4 WC5755 with DADH, work shelf and 2K LCSS Figure 6 WC5790 with DADH, work shelf and HVF BM Service Call Procedures May 2013 SCP 7 Xerox® WorkCentre® 5790 Family 1-11...
  • Page 32 Service Call Procedures May 2013 SCP 7 1-12 Xerox® WorkCentre® 5790 Family...
  • Page 33 03-419, 03-420 Incompatible Software RAP ..............2-101 07-304A Tray 4 Open During Run RAP (W/O TAG 151) ..........2-154 03-423, 424, 433, 434, 821, 822, 831, 832 Print Command Late RAP......2-102 Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 34 11-100-110 2K LCSS Paper Entry RAP................2-329 08-150B, 08-151B Registration Jam RAP (65-90 ppm) ..........2-238 11-110-110 Sheet Late to Hole Punch RAP ..............2-330 08-155, 08-156 Bypass Tray Registration Jam Entry RAP ..........2-240 Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 35 14-310 CCD PWB Not Detected RAP (W/O TAG 150)........... 2-538 11-140-171, 11-142-171 HVF 2nd to Top Exit Sensor RAP ........... 2-421 14-320 CVT Active Hot Line in Wrong State RAP............2-540 Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 36 OF14 Extensible Interface Platform RAP ................ 2-662 20-701A Fax Phone Book Download Failed RAP (W/O TAG X-001) ......2-570 OF15 Xerox Secure Access RAP ................... 2-663 20-701B Fax Phone Book Download Failed RAP (W/TAG X-001) ......... 2-570 20-710, 20-711 Image Overwrite Error Entry RAP............
  • Page 37 IOT PWB Diagnostics RAP. If the fault remains, install a new IOT PWB, 1.10 Item Check that the front door, PL 8.10 Item 10 closes correctly. If not, check the following: • The jam clearance latch, PL 8.20 Item Status Indicator RAPs May 2013 01-300 Xerox® WorkCentre® 5790 Family...
  • Page 38 Figure 2 Circuit diagram Status Indicator RAPs May 2013 01-300 Xerox® WorkCentre® 5790 Family...
  • Page 39 PL 7.30 Item • Check that the interlock cover is not loose, PL 7.30 Item 23. If necessary push the cover towards the front and tighten the screws. Figure 1 Component Location Status Indicator RAPs May 2013 01-305 Xerox® WorkCentre® 5790 Family...
  • Page 40 1 ohm between the ground contact of each mains connector and the main frame ground. Check that the hardware is tight and the harness crimping is good. To improve continu- ity, disconnect the terminals, clean the contact faces and re-assemble. Status Indicator RAPs May 2013 01-305, 01A Xerox® WorkCentre® 5790 Family...
  • Page 41 To improve continuity, remove the duplex transport, 8.7, Main frame ground then check the corotron shield ground return, connection. Main input ground connection. Figure 2 Corotron shield ground Auxiliary output ground connection. Figure 1 Component location Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 42 Corotron shield ground return wire (violet) to machine frame. Auxiliary DADH ground con- Figure 3 Corotron shield ground return nections. Left hinge ground connection. Main DADH ground connection Figure 4 DADH ground connection Status Indicator RAPs May 2013 2-10 Xerox® WorkCentre® 5790 Family...
  • Page 43 To improve continuity, port has a duplex duct installed, PL 8.20 Item remove and re-install the registration transport, 8.4. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-11...
  • Page 44 Registration ground contact spring. Ground wire terminal. Figure 8 Registration ground contact spring Pre-registration Grounding screw. drive roll shaft. Registration roll shaft. Figure 7 Registration ground check points Status Indicator RAPs May 2013 2-12 Xerox® WorkCentre® 5790 Family...
  • Page 45 Also check and clean, if necessary the part of the machine frame where the ground contact spring makes contact. Ground connection spring. Bypass paper guide. Lift plate. Feed shaft. Ground contact spring. Figure 10 Bypass tray paper feed Figure 9 Bypass tray guide Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-13...
  • Page 46 Figure 12 HCF transport drive gear Tray 3 transport Tray 3 takeaway Tray 3 and 4 transport roll roll shaft. roll shaft. shaft ground contact spring (35-55 ppm). Figure 11 HCF transport roll assembly Status Indicator RAPs May 2013 2-14 Xerox® WorkCentre® 5790 Family...
  • Page 47 Also clean the contact area on the metal side wall. Tray 3 ground contact spring. Figure 13 Tray 3 ground contact spring Tray 3 grounding spring. Figure 14 Tray 3 grounding spring Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-15...
  • Page 48 If necessary, perform the following: Tray 4 grounding spring. Figure 15 Tray 4 grounding spring Tray 3 takeaway roll shaft. Tray 3 and 4 transport roll shaft. Figure 16 Continuity check points Status Indicator RAPs May 2013 2-16 Xerox® WorkCentre® 5790 Family...
  • Page 49 Clean inside and outside Figure 19 Tray 3 grounding of the bearings Bearing Clean the bearing areas of Bearing the tray 3 and 4 transport roll Figure 18 Component cleaning Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-17...
  • Page 50 Tray 4 ground harness Figure 20 Tray 4 grounding Tray 1 transport roll shaft. Tray 2 transport roll shaft. Tray 3 and 4 transport roll shaft. Figure 21 Paper transport rolls Status Indicator RAPs May 2013 2-18 Xerox® WorkCentre® 5790 Family...
  • Page 51 Ensure that the in-line connectors are connected. Ground connection under the paper tray. Grounding strip. Figure 22 Embedded FAX PWB ground connection In-line ground connector. Ground connection. Figure 23 Tray 5 ground connections Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-19...
  • Page 52 4, wait sensor, PL 7.30 Item 24, registration sensor, PL 8.17 Item – Flag IOT PWB, P/J5. – Flag IOT PWB, P/J27. • IOT PWB PL 1.10 Item – Flag 4, P/J27. Status Indicator RAPs May 2013 2-20 Xerox® WorkCentre® 5790 Family...
  • Page 53 Figure 1 +3.3V Return Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-21...
  • Page 54 Figure 2 +3.3V Return Status Indicator RAPs May 2013 2-22 Xerox® WorkCentre® 5790 Family...
  • Page 55 22, P/J131, P/J25. • Embedded fax, PL 20.10 Item – Flag 24, P/J138, P/J155, P/J157. – Flag 22, P/J25, P/J131. • Power distribution PWB, PL 3.24 Item – Flag 22, P/J25, P/J131. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-23...
  • Page 56 Figure 3 +5V Return Status Indicator RAPs May 2013 2-24 Xerox® WorkCentre® 5790 Family...
  • Page 57 Figure 4 +5V Return Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-25...
  • Page 58 PL 3.24 Item – Flag 27, P/J25, P/J131. – Flag 30, P/J138, P/J155, P/J101. • Hard disk drive, PL 3.22 Item – Flag 12, P/J139, P/J999. – Flag 27, P/J25, P/J131. Status Indicator RAPs May 2013 2-26 Xerox® WorkCentre® 5790 Family...
  • Page 59 Figure 5 +12V Return Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-27...
  • Page 60 Flag 57, P/J394. – Flag 42, P/J19, P/J270. • HCF PWB (W/TAG 151), PL 7.21 Item – Flag 43, P/J272, PJ63. – Flag 58, P/J7. – Flag 42, P/J19, P/J270. Status Indicator RAPs May 2013 2-28 Xerox® WorkCentre® 5790 Family...
  • Page 61 Figure 6 +24V Return Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-29...
  • Page 62 Figure 7 +24V Return Status Indicator RAPs May 2013 2-30 Xerox® WorkCentre® 5790 Family...
  • Page 63 Figure 8 +24V Return Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-31...
  • Page 64 Install a new fuser connector assembly, (35-55 ppm) PL 4.15 Item 9, (65- 90 ppm) PL 4.10 Item 9 and a new LVPS and base module, PL 1.10 Item Status Indicator RAPs May 2013 2-32 Xerox® WorkCentre® 5790 Family...
  • Page 65 Pin 3 Pin 10 Pin 9 Pin 3 Pin 4 P/J 100 Pin 10 Pin 4 P/J100 CRUM Figure 3 Fuser module PJ24 Figure 2 Supply to the fuser module Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-33...
  • Page 66 Figure 4 AC circuit diagram Status Indicator RAPs May 2013 2-34 Xerox® WorkCentre® 5790 Family...
  • Page 67 13, P/J135, P/J920. – Flag 13, P/J136, P/J920. – Flag 9, P/J25, P/J131. • CCD PWB, W/O 150. PL 14.25 Item – Flag 13, P/J135, P/J450. – Flag 9, P/J25, P/J131. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-35...
  • Page 68 Figure 1 +3.3V distribution circuit diagram Status Indicator RAPs May 2013 2-36 Xerox® WorkCentre® 5790 Family...
  • Page 69 Figure 2 +3.3V distribution circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-37...
  • Page 70 (W/TAG 151), PL 7.21 Item – Flag 7, P/J272. – Flag 21, P/J7. – Flag 6, P/J19, P/J270. • OCT Module, 12.10. – Flag 8, P/J11. – Flag 1, P/J27. Status Indicator RAPs May 2013 2-38 Xerox® WorkCentre® 5790 Family...
  • Page 71 Figure 1 +5V distribution circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-39...
  • Page 72 Figure 2 +5V distribution circuit diagram Status Indicator RAPs May 2013 2-40 Xerox® WorkCentre® 5790 Family...
  • Page 73 Single board controller PWB, PL 3.24 Item – Flag 10, P/J137, P/J106. – Flag 1, P/J131, P/J25. • Hard disk drive, 3.22. – Flag 11, P/J139, P/J999. – Flag 1, P/J25, P/J131. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-41...
  • Page 74 Figure 1 +12V distribution circuit diagram Status Indicator RAPs May 2013 2-42 Xerox® WorkCentre® 5790 Family...
  • Page 75 Figure 2 +12V distribution circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-43...
  • Page 76 Flag 17. Less than 100 Ohms resis- tance is measured on the harness between P27 pin 1 and the machine frame, also between P27 pin 2 and the machine frame. Status Indicator RAPs May 2013 2-44 Xerox® WorkCentre® 5790 Family...
  • Page 77 Flag 21, P/J502, P/J501. short circuit has been repaired, install a new IOT PWB, PL 1.10 Item • Scanner PWB, W/TAG 150, PL 14.15 Item – Flag 4, P/J920, P/J135. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-45...
  • Page 78 • Fuser web motor, part of the main drive module, (35-55 ppm) PL 4.17 Item 1, (65-90 ppm) PL 4.12 Item – Flag 14, P/J154. – Flag 11, P/J147, P/J16. Status Indicator RAPs May 2013 2-46 Xerox® WorkCentre® 5790 Family...
  • Page 79 Figure 2 +24V distribution circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-47...
  • Page 80 Figure 3 +24V distribution circuit diagram Status Indicator RAPs May 2013 2-48 Xerox® WorkCentre® 5790 Family...
  • Page 81 Figure 4 +24V distribution circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-49...
  • Page 82 Figure 5 +24V distribution circuit diagram Status Indicator RAPs May 2013 2-50 Xerox® WorkCentre® 5790 Family...
  • Page 83 Measure the voltage at the harness of PJ26, pin 9, Flag 24. 0V is measured. To check the output voltages of the LVPS, disconnect the following. • Figure 2. PJ16, PJ17, PJ18, PJ19 and PJ25. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-51...
  • Page 84 WD 10. Disconnect PJ11, Flag 21. If the LEDs CR12 and CR13 are on, check the harness, Flag 21, from PJ11 on the IOT PWB to the output devices, WD 5. Status Indicator RAPs May 2013 2-52 Xerox® WorkCentre® 5790 Family...
  • Page 85 PJ is connected. Connect each PJ, one at a time until the PJ is found that causes the fuse to fail. Check and repair the harness or install new components as neces- sary. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-53...
  • Page 86 Figure 3 Low voltage distribution Status Indicator RAPs May 2013 2-54 Xerox® WorkCentre® 5790 Family...
  • Page 87 Figure 4 +12V interlock circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-55...
  • Page 88 Check the harness and connector P/J27, if necessary repair the harness/connector Figure 1 P/J locations on the IOT PWB or install a new LVPS and base module, PL 1.10 Item Status Indicator RAPs May 2013 2-56 Xerox® WorkCentre® 5790 Family...
  • Page 89 Figure 2 Power ON circuit and dependencies Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-57...
  • Page 90 LOW PWR signal to enable AC power to the finisher. The machine switches off when it should enter sleep mode. Status Indicator RAPs May 2013 2-58 Xerox® WorkCentre® 5790 Family...
  • Page 91 Repair the wiring as necessary, 1.2. The wake event is from the network. Install a new Power distribution PWB, PL 3.24 Item The wake event is from the Fax PWB. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-59...
  • Page 92 2 and 6, also check for +12V between pins 7 and 8. The voltages good. Install new parts as necessary: • Fax PWB, PL 20.10 Item • Riser PWB PL 3.22 Item Status Indicator RAPs May 2013 2-60 Xerox® WorkCentre® 5790 Family...
  • Page 93 +3.3V to 0V when the UI screen is touched or a UI button is pressed. The voltage changes when the UI screen is touched or a UI button is pressed. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-61...
  • Page 94 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item Install a new LVPS and base module, PL 1.10 Item Energy saver button. Figure 1 Component location Status Indicator RAPs May 2013 2-62 Xerox® WorkCentre® 5790 Family...
  • Page 95 Figure 2 Circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-63...
  • Page 96 Status Indicator RAPs May 2013 2-64 Xerox® WorkCentre® 5790 Family...
  • Page 97 Install new components as necessary: • UI control PWB, PL 2.10 Item • UI touch screen PWB, PL 2.10 Item • UI touch screen, PL 2.10 Item Status Indicator RAPs May 2013 02-309, 02-320, 02-380 Xerox® WorkCentre® 5790 Family 2-65...
  • Page 98 Install new components as necessary: • UI control PWB, PL 2.10 Item • UI touch screen PWB, PL 2.10 Item • UI touch screen, PL 2.10 Item Status Indicator RAPs May 2013 02-390, 02-391, 02-704, 02-706, 02-392 2-66 Xerox® WorkCentre® 5790 Family...
  • Page 99 Install new components as necessary: • UI control PWB, PL 2.10 Item • UI touch screen PWB, PL 2.10 Item • UI touch screen, PL 2.10 Item Status Indicator RAPs May 2013 02-705, 02-707, 02-709, 02-712, 02-715 Xerox® WorkCentre® 5790 Family 2-67...
  • Page 100 Status Indicator RAPs May 2013 02-705, 02-707, 02-709, 02-712, 02-715 2-68 Xerox® WorkCentre® 5790 Family...
  • Page 101 PL 1.10 Item 2. Perform IOT PWB Diagnostics RAP before a new IOT PWB is installed. Install a new single board controller PWB, PL 3.24 Item Status Indicator RAPs May 2013 03-300, 306, 461, 482, 805, 870 Xerox® WorkCentre® 5790 Family 2-69...
  • Page 102 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-300, 306, 461, 482, 805, 870 2-70 Xerox® WorkCentre® 5790 Family...
  • Page 103 +3.3V Distribution RAP. • +12V Distribution RAP. Install new components as necessary: • Single board controller PWB, PL 3.24 Item • UI control PWB, PL 2.10 Item Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-310 Xerox® WorkCentre® 5790 Family 2-71...
  • Page 104 4, Machine Software. Install new components as necessary: • Single board controller PWB, PL 3.24 Item • DADH PWB, PL 5.10 Item Status Indicator RAPs May 2013 03-315, 325, 347, 348, 349, 355, 400, 03-320 to 03-324 2-72 Xerox® WorkCentre® 5790 Family...
  • Page 105 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-320 to 03-324 Xerox® WorkCentre® 5790 Family 2-73...
  • Page 106 Single board controller PWB, PL 3.24 Item • Power distribution PWB, PL 3.24 Item • Scanner PWB, PL 14.25 Item • Scanner module, PL 14.20 Item Status Indicator RAPs May 2013 03-330, 03-462, 03-330A, 03-462A 2-74 Xerox® WorkCentre® 5790 Family...
  • Page 107 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-330A, 03-462A Xerox® WorkCentre® 5790 Family 2-75...
  • Page 108 Figure 2 Circuit diagram Status Indicator RAPs May 2013 03-330A, 03-462A 2-76 Xerox® WorkCentre® 5790 Family...
  • Page 109 • Scanner daughter PWB, PL 3.24 Item • Scanner PWB, PL 14.15 Item • Power distribution PWB, PL 3.24 Item • Single board controller PWB, PL 3.24 Item Status Indicator RAPs May 2013 03-330B, 03-462B Xerox® WorkCentre® 5790 Family 2-77...
  • Page 110 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-330B, 03-462B 2-78 Xerox® WorkCentre® 5790 Family...
  • Page 111 Clear the fax card NVM. Go to dC132, select Embedded Fax NVM initialization and per- form the routine, Reformat. Install a new embedded fax PWB, PL 20.10 Item Figure 2 Circuit diagram Status Indicator RAPs May 2013 03-330B, 03-462B, 03-336 Xerox® WorkCentre® 5790 Family 2-79...
  • Page 112 Machine Software. Install new components as necessary: • Software module, PL 3.24 Item • Hard disk drive, PL 3.22 Item • Single board controller PWB, PL 3.24 Item Status Indicator RAPs May 2013 03-338, 03-340, 03-416 2-80 Xerox® WorkCentre® 5790 Family...
  • Page 113 IOT PWB Diagnostics RAP before a new IOT PWB is installed, • Switch off the machine, then switch on the machine, 1.10 Item • Tray 1 and 2 control PWB, PL 7.10 Item Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-350, 03-351, 03-354 Xerox® WorkCentre® 5790 Family 2-81...
  • Page 114 Tray 1 and 2 control PWB, PL 7.10 Item • (W/O 151) HCF control PWB, PL 7.20 Item • (W/TAG 151) HCF control PWB, PL 7.21 Item Reload the software, 4, Machine Software. Status Indicator RAPs May 2013 03-359, 03-407 2-82 Xerox® WorkCentre® 5790 Family...
  • Page 115 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-359, 03-407 Xerox® WorkCentre® 5790 Family 2-83...
  • Page 116 Power and Control Module P/J11 on the PWB. Go to Flag 1 Flag 2. Check the harnesses. Repair as necessary, Perform the IOT PWB Diagnostics RAP. Status Indicator RAPs May 2013 03-360, 03-408 to 03-410, 03-418 2-84 Xerox® WorkCentre® 5790 Family...
  • Page 117 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-360, 03-408 to 03-410, 03-418 Xerox® WorkCentre® 5790 Family 2-85...
  • Page 118 Reload the software, GP 4 Machine Software. Perform IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item Figure 2 Circuit diagram Status Indicator RAPs May 2013 03-360, 03-408 to 03-410, 03-418, 03-365 2-86 Xerox® WorkCentre® 5790 Family...
  • Page 119 • Install a new tray 5 control PWB, PL 7.68 Item • Install a new IOT PWB, PL 1.10 Item Registration guides securing screw. Figure 1 Component location Status Indicator RAPs May 2013 03-365, 03-366 Xerox® WorkCentre® 5790 Family 2-87...
  • Page 120 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-366 2-88 Xerox® WorkCentre® 5790 Family...
  • Page 121 Repair as necessary, 1.2. Install new components as necessary: • 03-371 Only: Fuser connector assembly, (35-55 ppm) PL 4.15 Item 9 or (65-90 ppm) PL 4.10 Item Status Indicator RAPs May 2013 03-367, 03-371, 03-372 Xerox® WorkCentre® 5790 Family 2-89...
  • Page 122 (65-90 ppm) 4.10 Item • Main Drive Module, (35-55 ppm) PL 4.15 Item 1 or (65-90 ppm) PL 4.10 Item Reload the software, GP 4 Machine Software. Status Indicator RAPs May 2013 03-371, 03-372 2-90 Xerox® WorkCentre® 5790 Family...
  • Page 123 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-371, 03-372 Xerox® WorkCentre® 5790 Family 2-91...
  • Page 124 Check the state of the LVPS by observing the power indication LEDs on the IOT PWB, (refer to IOT PWB Diagnostics RAP). The LVPS has switched off. Install a LVPS and base module, PL 1.10 Item Status Indicator RAPs May 2013 03-374 2-92 Xerox® WorkCentre® 5790 Family...
  • Page 125 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-374 Xerox® WorkCentre® 5790 Family 2-93...
  • Page 126 03-853 fault, refer to 03-396 Only: If necessary, go to the Main Drive Motor and Photoreceptor Motor RAP. Perform the photoreceptor motor checkout. As necessary, install new components: Status Indicator RAPs May 2013 03-395, 396, 852, 853 2-94 Xerox® WorkCentre® 5790 Family...
  • Page 127 IOT Diagnostics RAP before installing a new IOT PWB, PL 1.10 Item • Main drive motor and PWB, (35-55 ppm) PL 4.15 Item 6 or (65-90 ppm) PL 4.10 Item Status Indicator RAPs May 2013 03-397 Xerox® WorkCentre® 5790 Family 2-95...
  • Page 128 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-397 2-96 Xerox® WorkCentre® 5790 Family...
  • Page 129 The enable circuits are working correctly. NOTE: Currently the signals used for billing, e.g. machine function, premium tray, etc. cannot be adequately measured with a standard meter. Status Indicator RAPs May 2013 03-401, 03-403, 03-412 Xerox® WorkCentre® 5790 Family 2-97...
  • Page 130 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-412 2-98 Xerox® WorkCentre® 5790 Family...
  • Page 131 As necessary, perform the following: • Go to +3.3V Distribution RAP. • Go to 0V Distribution RAP. • Perform IOT PWB Diagnostics RAP before installing a new IOT PWB, PL 1.10 Item Status Indicator RAPs May 2013 03-415 Xerox® WorkCentre® 5790 Family 2-99...
  • Page 132 Figure 1 Circuit diagram Status Indicator RAPs May 2013 03-415 2-100 Xerox® WorkCentre® 5790 Family...
  • Page 133 IOT PWB Diagnostics RAP before a new IOT PWB is installed, 1.10 Item • DADH PWB, PL 5.10 Item • UI control PWB, PL 2.10 Item • Single board controller PWB, PL 3.24 Item Status Indicator RAPs May 2013 03-417, 03-419, 03-420 Xerox® WorkCentre® 5790 Family 2-101...
  • Page 134 PL 6.10 Item • Single board controller PWB, PL 3.24 Item If the fault remains, perform the IOT PWB Diagnostics RAP. Status Indicator RAPs May 2013 03-423, 424, 433, 434, 821, 822, 831, 832, 03-480 2-102 Xerox® WorkCentre® 5790 Family...
  • Page 135 (W/O X-001) Fax compact flash memory, PL 20.10 Item • (W/TAG X-001) Embedded fax PWB, PL 20.10 Item • Hard disk drive, PL 3.22 Item Status Indicator RAPs May 2013 03-700, 03-780, 03-785, 03-790, 03-720 Xerox® WorkCentre® 5790 Family 2-103...
  • Page 136 Check the fault history file for other 03-XXX fault codes. If the 03-XXX fault codes occur randomly, the cause may be due to electrical noise. Go to the OF10 intermittent Failure RAP. Status Indicator RAPs May 2013 03-770, 03-777 2-104 Xerox® WorkCentre® 5790 Family...
  • Page 137 IOT PWB Diagnostics RAP before a new IOT PWB is installed, • Single board controller PWB, PL 3.24 Item 1.10 Item • Single board controller PWB, PL 3.24 Item Figure 1 Circuit diagram Status Indicator RAPs May 2013 03A, 03B Xerox® WorkCentre® 5790 Family 2-105...
  • Page 138 PL 3.24 Item Install a new software module, PL 3.24 Item Install a new xerographic module, PL 9.20 Item 2 (40 to 90 ppm) PL 9.22 Item 2 (35 ppm). Status Indicator RAPs May 2013 03C, 03D 2-106 Xerox® WorkCentre® 5790 Family...
  • Page 139 Figure 1 Component location • P/J3, IOT PWB • P/J148, Main Drive PWB. Install new components as necessary: • Main drive motor and PWB assembly (35 ppm), PL 4.15 Item Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-107...
  • Page 140 Figure 2 Circuit diagram Status Indicator RAPs May 2013 2-108 Xerox® WorkCentre® 5790 Family...
  • Page 141 Check that S05-300 is installed correctly. • Check the DADH frame for distortion, go to 5.2. If the DADH frame is distorted, install a new DADH, PL 5.10 Item Status Indicator RAPs May 2013 05-300 Xerox® WorkCentre® 5790 Family 2-109...
  • Page 142 • DADH top cover interlock switch (40-90 ppm), PL 5.17 Item • DADH PWB, PL 5.10 Item Check that S05-305 is installed correctly. Install new components as necessary. Status Indicator RAPs May 2013 05-300, 05-305 2-110 Xerox® WorkCentre® 5790 Family...
  • Page 143 Actuator DADH top cover Figure 2 Circuit diagram interlock switch S05-305 Figure 1 Component location Status Indicator RAPs May 2013 05-305 Xerox® WorkCentre® 5790 Family 2-111...
  • Page 144 DADH Feed Sensor Failure Entry RAP. • 05-335 DADH Takeaway Sensor Failure RAP. • 05-350, 05-352 DADH CVT Sensor Failure RAP. • 05-340 DADH Registration Sensor Failure RAP. Status Indicator RAPs May 2013 05-310, 05-330, 05-331 2-112 Xerox® WorkCentre® 5790 Family...
  • Page 145 +3.3V Distribution RAP. • The 3.3V return in the 0V Distribution RAP. Install new components as necessary: • DADH feed sensor, PL 5.15 Item • DADH PWB, PL 5.10 Item Status Indicator RAPs May 2013 05-330A, 05-331A Xerox® WorkCentre® 5790 Family 2-113...
  • Page 146 Feed yoke shaft Feed gates DADH feed sensor DADH feed roll DADH feed solenoid P/J201 Q05-330 assembly SOL 05-010 Figure 1 Component location Feed gates Figure 2 Component location Status Indicator RAPs May 2013 05-330A, 05-331A 2-114 Xerox® WorkCentre® 5790 Family...
  • Page 147 05-020 to run the DADH feed motor, MOT05-020. MOT05-020 runs. Go to the DADH Motor Failure RAP. While MOT 05-020 runs, stack the code 05-025 to energize the DADH feed clutch, CL05-025. Status Indicator RAPs May 2013 05-330A, 05-331A, 05-330B, 05-331B Xerox® WorkCentre® 5790 Family 2-115...
  • Page 148 DADH Feed Clutch Failure RAP and check CL05-025. Figure 1 Component location • Make sure that the size of the documents are sensed correctly. Refer to the Docu- ment Size Sensor Failure RAP. Status Indicator RAPs May 2013 05-330B, 05-331B 2-116 Xerox® WorkCentre® 5790 Family...
  • Page 149 Clip Feed yoke and spring Feed yoke shaft Figure 3 Circuit diagram Feed gates Feed gates Figure 2 Component location Status Indicator RAPs May 2013 05-330B, 05-331B Xerox® WorkCentre® 5790 Family 2-117...
  • Page 150 Check the takeaway roll and pulley, PL 5.35 Item 6 PL 5.35 Item 15, refer to Perform the steps that follow: • Check that the DADH feed sensor, Q05-335 is installed correctly. Status Indicator RAPs May 2013 05-335 2-118 Xerox® WorkCentre® 5790 Family...
  • Page 151 Top cover interlock switch DADH feed motor MOT05-020 Figure 2 Circuit diagram Feed motor drive belt DADH feed roll assembly DADH takeaway sensor Feed assembly Takeaway roll Q05-335 Figure 1 Component location Status Indicator RAPs May 2013 05-335 Xerox® WorkCentre® 5790 Family 2-119...
  • Page 152 Check the CVT roll pulley, refer to If necessary, install a new DADH CVT roll, PL 5.25 Item Figure 1 Component location The fault only occurs in duplex mode. Status Indicator RAPs May 2013 05-340 2-120 Xerox® WorkCentre® 5790 Family...
  • Page 153 CVT motor tension spring CVT motor MOT05-030 CVT motor drive belt Top cover interlock switch DADH feed motor MOT05-020 Figure 3 Circuit diagram CVT roll Figure 2 Component location Status Indicator RAPs May 2013 05-340 Xerox® WorkCentre® 5790 Family 2-121...
  • Page 154 Check that the second document is held in the feed rolls until the first document is fed into the Perform the steps that follow: output tray. The feed rolls held the second document. • Check the CVT motor drive belt, PL 5.25 Item Status Indicator RAPs May 2013 05-345, 05-346 2-122 Xerox® WorkCentre® 5790 Family...
  • Page 155 PL 5.35 Item If the fault continues, make sure that documents correctly exit the previous sensor in the docu- ment path. Refer to the 05-340 DADH Registration Sensor Failure RAP. Status Indicator RAPs May 2013 05-345, 05-346 Xerox® WorkCentre® 5790 Family 2-123...
  • Page 156 Duplex solenoid SOL05-050 Exit roll CVT roll CVT roll pulley and drive belt Feed Rolls Feed clutch Figure 2 Component location Exit roll idlers Figure 3 Component location Status Indicator RAPs May 2013 05-345, 05-346 2-124 Xerox® WorkCentre® 5790 Family...
  • Page 157 Check the CVT roll pulley, refer to If necessary, install a new DADH CVT roll, PL 5.25 Item Figure 4 Circuit diagram The fault only occurs in duplex mode (fault code 05-352). Status Indicator RAPs May 2013 05-345, 05-346, 05-350, 05-352 Xerox® WorkCentre® 5790 Family 2-125...
  • Page 158 If the fault continues, make sure that documents correctly exit the previous sensor in the docu- ment path. Refer to the 05-335 DADH Takeaway Sensor Failure RAP. DADH CVT sensor Duplex solenoid CVT roll SOL05-050 Q05-350 Feed rolls Figure 1 Component location Status Indicator RAPs May 2013 05-350, 05-352 2-126 Xerox® WorkCentre® 5790 Family...
  • Page 159 Exit roll idlers Figure 3 Circuit diagram Figure 2 Component location Status Indicator RAPs May 2013 05-350, 05-352 Xerox® WorkCentre® 5790 Family 2-127...
  • Page 160 3 ohms to ground. if necessary the resistance read- ing may be improved by removing, cleaning and re-installing the ground wires. Status Indicator RAPs May 2013 05A, 05B 2-128 Xerox® WorkCentre® 5790 Family...
  • Page 161 +24V Distribution RAP. • 0V Distribution RAP, refer to the 24V return. Install new components as necessary: • DADH CVT motor, PL 5.25 Item • DADH PWB, PL 5.10 Item Status Indicator RAPs May 2013 05C, 05D Xerox® WorkCentre® 5790 Family 2-129...
  • Page 162 CVT motor MOT05-030 Feed motor MOT05-020 Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 2-130 Xerox® WorkCentre® 5790 Family...
  • Page 163 DADH feed clutch, PL 5.15 Item • DADH PWB, PL 5.10 Item • DADH feed assembly, PL 5.15 Item Feed clutch PJ202 CL05-025 Figure 1 Component location Figure 2 Circuit Diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-131...
  • Page 164 Check the CVT ramp assembly, (W/O 150) PL 14.20 Item 13 (W/TAG 150) 14.10 Item 13 for damage. Make sure that the customers documents are within the specification, refer to Status Indicator RAPs May 2013 2-132 Xerox® WorkCentre® 5790 Family...
  • Page 165 • DADH document present sensor, PL 5.15 Item • DADH PWB, PL 5.10 Item • DADH document present sensor actuator, PL 5.15 Item Figure 2 Circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-133...
  • Page 166 Make sure that the area around the sensor is clean. If the problem continues, install new com- ponents as necessary: • DADH document present sensor, PL 5.35 Item • DADH PWB, PL 5.10 Item Figure 2 Circuit diagram Status Indicator RAPs May 2013 2-134 Xerox® WorkCentre® 5790 Family...
  • Page 167 05-330 to check the DADH feed sensor, Q05- 330. Activate Q05-330. The display changes. Go to Flag 3. Check Q05-330. References: • GP 11 How to Check a Sensor. • P/J184, DADH PWB. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-135...
  • Page 168 DADH width sensor Q05-340 sensor Q05-325 DADH width guides DADH feed sensor DADH length sensor 1 DADH length sensor 2 Q05-330 Q05-315 Q05-320 Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 2-136 Xerox® WorkCentre® 5790 Family...
  • Page 169 Figure 3 Circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-137...
  • Page 170 05-330 to check the DADH feed sensor, Q05- 330. Activate Q05-330. The display changes. Go to Flag 3. Check Q05-330. References: • GP 11 How to Check a Sensor. Status Indicator RAPs May 2013 2-138 Xerox® WorkCentre® 5790 Family...
  • Page 171 Q05-325 DADH registration sensor Q05-340 DADH width guides DADH feed sensor DADH length sensor 2 DADH length sensor 1 Q05-330 Q05-320 Q05-315 Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-139...
  • Page 172 Figure 3 Circuit diagram Status Indicator RAPs May 2013 2-140 Xerox® WorkCentre® 5790 Family...
  • Page 173 1. Check the following voltages at P/J18 on the LVPS: • +24V between pins 1 and 2. • Install a new ROS, PL 6.10 Item • +3.3V between pins 3 and 4. Status Indicator RAPs May 2013 06-020 Xerox® WorkCentre® 5790 Family 2-141...
  • Page 174 P/J121 P/J120 P/J2 (harness) P/J18 (harness) Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 06-020 2-142 Xerox® WorkCentre® 5790 Family...
  • Page 175 Go to the relevant RAP: • 0V Distribution RAP, refer to the 3.3V return and 24V return. • +3.3V Distribution RAP. • +24V Distribution RAP. P/J2 (harness) P/J18 (harness) Figure 1 Component Location Status Indicator RAPs May 2013 06-340 Xerox® WorkCentre® 5790 Family 2-143...
  • Page 176 Figure 2 Circuit diagram Status Indicator RAPs May 2013 06-340 2-144 Xerox® WorkCentre® 5790 Family...
  • Page 177 06-350. The IOT monitor has not received a reset command from the IOT ROS controller for more than 5 seconds during print. Procedure Perform the 03-395, 396, 852, 853 IOT PWB Faults RAP. Status Indicator RAPs May 2013 06-350 Xerox® WorkCentre® 5790 Family 2-145...
  • Page 178 Status Indicator RAPs May 2013 06-350 2-146 Xerox® WorkCentre® 5790 Family...
  • Page 179 Figure 1 Component location Item • Check the actuator cam on the paper tray, Figure • If the problem continues, install new Tray 1 and 2 control PWB, PL 7.10 Item Status Indicator RAPs May 2013 07-301 Xerox® WorkCentre® 5790 Family 2-147...
  • Page 180 Check the voltage at the switch terminal Tray 1 home switch Figure 3 Tray 1 circuit diagram Figure 2 Tray 1 home switch test point Status Indicator RAPs May 2013 07-301 2-148 Xerox® WorkCentre® 5790 Family...
  • Page 181 Figure 1 Component location Item • Check the actuator on the paper tray, Figure • If the problem continues, install new Tray 1 and 2 control PWB, PL 7.10 Item Status Indicator RAPs May 2013 07-302 Xerox® WorkCentre® 5790 Family 2-149...
  • Page 182 Check the voltage at the switch terminal Tray 2 home switch Figure 3 Tray 2 circuit diagram Figure 2 Home switch test point Status Indicator RAPs May 2013 07-302 2-150 Xerox® WorkCentre® 5790 Family...
  • Page 183 Check the switch holder, PL 7.20 Item If the problem continues, install new components as necessary: • Tray 3 home switch, PL 7.20 Item • HCF control PWB, PL 7.20 Item Status Indicator RAPs May 2013 07-303, 07-303A Xerox® WorkCentre® 5790 Family 2-151...
  • Page 184 Tray 3 home switch S07-303 Switch actuator Figure 2 Circuit diagram Figure 1 Component location Status Indicator RAPs May 2013 07-303A 2-152 Xerox® WorkCentre® 5790 Family...
  • Page 185 PL 7.21 Item If the problem continues, install new components as necessary: • Tray 3 home sensor, PL 7.21 Item • HCF control PWB, PL 7.21 Item Figure 2 Circuit diagram Status Indicator RAPs May 2013 07-303B Xerox® WorkCentre® 5790 Family 2-153...
  • Page 186 Check the switch holder, PL 7.20 Item If the problem continues, install new components as necessary: • Tray 4 home switch, PL 7.20 Item • HCF control PWB, PL 7.20 Item Status Indicator RAPs May 2013 07-304, 07-304A 2-154 Xerox® WorkCentre® 5790 Family...
  • Page 187 Tray 4 home switch S07-304 Switch actuator Figure 2 Circuit diagram Figure 1 Component location Status Indicator RAPs May 2013 07-304A Xerox® WorkCentre® 5790 Family 2-155...
  • Page 188 PL 7.21 Item If the problem continues, install new components as necessary: • Tray 4 home sensor, PL 7.21 Item • HCF control PWB, PL 7.21 Item Figure 2 Circuit diagram Status Indicator RAPs May 2013 07-304B 2-156 Xerox® WorkCentre® 5790 Family...
  • Page 189 If the problem continues, install new components as necessary: • Tray 5 door switch, PL 7.60 Item 6 Figure 1 Component location • Tray 5 control PWB, PL 7.68 Item Status Indicator RAPs May 2013 07-306 Xerox® WorkCentre® 5790 Family 2-157...
  • Page 190 Tray 1 Feed / elevator motor, PL 8.26 Item • Tray 1 and 2 control PWB, PL 7.10 Item Perform the following: • Check the feeder / elevator motor drive gears, Figure Status Indicator RAPs May 2013 07-306, 07-353 2-158 Xerox® WorkCentre® 5790 Family...
  • Page 191 If the fault still occurs then go to Tray 1 and Tray 2 Empty RAP. Stack height mechanism actuator Drive gears Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 07-353 Xerox® WorkCentre® 5790 Family 2-159...
  • Page 192 Check the feeder / elevator motor drive gears, Figure • Check the tray 2 stack height mechanism on the feeder assembly, If the fault still occurs then go to Tray 1 and Tray 2 Empty RAP. Status Indicator RAPs May 2013 07-354 2-160 Xerox® WorkCentre® 5790 Family...
  • Page 193 Tray 3 Elevator Lift Failure RAP (W/O TAG 151). • (W/TAG 151) go to the 07-355B Tray 3 Elevator Lift Failure RAP (W/TAG 151). Figure 2 Circuit diagram Status Indicator RAPs May 2013 07-354, 07-355 Xerox® WorkCentre® 5790 Family 2-161...
  • Page 194 3. Connect a service meter between pin 1 and pin 3 on the wiring side of the connector. Continuity is measured when the switch is deactivated and open circuit is measured when the switch is actuated. Status Indicator RAPs May 2013 07-355A 2-162 Xerox® WorkCentre® 5790 Family...
  • Page 195 Tray 3 feed sensor Q08-103 HCF control PWB Tray 3 elevator Tray 3 home switch MOT07-030 Tray 3 feed assembly S07-303 Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 07-355A Xerox® WorkCentre® 5790 Family 2-163...
  • Page 196 Go to Flag 3. Check the stack limit switch. Refer to: • GP 13 How to Check a Switch. • P/J10, HCF control PWB. • +24V Distribution RAP. Status Indicator RAPs May 2013 07-355B 2-164 Xerox® WorkCentre® 5790 Family...
  • Page 197 HCF control PWB Tray 3 stack height Tray 3 home sensor Q07-383 sensor Q07-303 Tray 3 elevator Tray 3 over MOT07-030 elevate switch Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 07-355B Xerox® WorkCentre® 5790 Family 2-165...
  • Page 198 Tray 4 Elevator Lift Failure RAP (W/O TAG 151). • (W/TAG 151) go to the 07-360B Tray 4 Elevator Lift Failure RAP (W/TAG 151). Figure 3 Circuit diagram Status Indicator RAPs May 2013 07-355B, 07-360 2-166 Xerox® WorkCentre® 5790 Family...
  • Page 199 • +5V Distribution RAP. • 0V Distribution RAP. Install new components as necessary: • Tray 4 stack height sensor, PL 8.31 Item • HCF control PWB, PL 7.20 Item Status Indicator RAPs May 2013 07-360A Xerox® WorkCentre® 5790 Family 2-167...
  • Page 200 Stack limit switch S07-394 Stack height sensor Q07-384 Tray 4 elevator motor MOT07-040 Tray 4 home switch HCF control PWB S07-304 Figure 1 Component location Figure 2 Tray 4 Circuit diagram Status Indicator RAPs May 2013 07-360A 2-168 Xerox® WorkCentre® 5790 Family...
  • Page 201 2 on the wiring side of the connector. Continuity is measured when the stack limit switch is deactuated and open circuit is measured when the switch is actuated. Status Indicator RAPs May 2013 07-360B Xerox® WorkCentre® 5790 Family 2-169...
  • Page 202 Tray 4 elevator motor MOT07-040 Stack height sensor Q07-384 Tray 4 home sensor Q07-304 Tray 4 over elevate HCF control PWB switch S07-394 Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 07-360B 2-170 Xerox® WorkCentre® 5790 Family...
  • Page 203 Check the docking latch on tray 5 is latched onto the machine, Figure • Check the that the rail assembly is located correctly to the machine. Figure 3 Tray 4 Circuit diagram Status Indicator RAPs May 2013 07-360B, 07-372 Xerox® WorkCentre® 5790 Family 2-171...
  • Page 204 Tray 5 docking switch S07-372 Tray 5 docking location pin Figure 1 Component location Figure 3 Tray 1 circuit diagram Docking latch Rail assembly Figure 2 Component location Status Indicator RAPs May 2013 07-372 2-172 Xerox® WorkCentre® 5790 Family...
  • Page 205 +5V Distribution RAP. • 0V Distribution RAP. Install new components as necessary: • Tray 5 stack height sensor, PL 8.45 Item 7 • Tray 5 control PWB, PL 7.68 Item Status Indicator RAPs May 2013 07-373 Xerox® WorkCentre® 5790 Family 2-173...
  • Page 206 S07-412 Cable holder Tray 5 elevator Door interlock motor encoder switch Q07-406 S07-306 Tray 5 elevator MOT07-373 Tray 5 control PWB Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 07-373 2-174 Xerox® WorkCentre® 5790 Family...
  • Page 207 Figure 3 Circuit diagram Status Indicator RAPs May 2013 07-373 Xerox® WorkCentre® 5790 Family 2-175...
  • Page 208 +5V Distribution RAP. • 0V Distribution RAP. Install new components as necessary: • Tray 5 stack down sensor, PL 7.68 Item • Tray 5 control PWB, PL 7.68 Item Status Indicator RAPs May 2013 07-374 2-176 Xerox® WorkCentre® 5790 Family...
  • Page 209 Located in the paper tray, press the plate Tray 5 control under the paper tray to actuate the switch. Stack down sensor Q07-405 Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 07-374 Xerox® WorkCentre® 5790 Family 2-177...
  • Page 210 Figure 3 Circuit diagram Status Indicator RAPs May 2013 07-374 2-178 Xerox® WorkCentre® 5790 Family...
  • Page 211 PL 7.10 Item Perform the following: • Check that the sensor is free of paper dust. • Check the paper feed mechanism, PL 8.26 Item Figure 2 Tray 1 circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-179...
  • Page 212 Tray 3 and Tray 4 False Low Paper Level RAP (W/TAG 151) • Tray 3 and Tray 4 False Low Paper Level RAP (W/O TAG 151) Figure 3 Tray 2 circuit diagram Status Indicator RAPs May 2013 07A, 07B 2-180 Xerox® WorkCentre® 5790 Family...
  • Page 213 (Tray is low on paper) will be displayed. If the tray is filled with 190 sheets or more, the message is cancelled. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-181...
  • Page 214 08-050 feed solenoid, SOL08-050. Press Start. The solenoid energized. Go to Flag 3. Check SOL08-050. Refer to: • GP 12 How to Check a Solenoid or Clutch. Status Indicator RAPs May 2013 07C, 07D 2-182 Xerox® WorkCentre® 5790 Family...
  • Page 215 If necessary install a new feed roll and retard pad assembly, PL 7.30 Item Feed solenoid SOL08-050 PJ636 PJ36 Feed roll Width sensor Tray empty sensor guide Q07-350 Q07-335 Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-183...
  • Page 216 Perform the following: • Check the paper tray, PL 7.10 Item • Check the paper size leaf spring, PL 7.10 Item • Go to dC132, perform the copier NVM initialisation. Status Indicator RAPs May 2013 2-184 Xerox® WorkCentre® 5790 Family...
  • Page 217 8.5 x 11 SEF 8.5 x 5.5 LEF 11 x 17 SEF 8.5 x 14 SEF 8.5 x 12.4 SEF 8.5 x 13 SEF Figure 2 Tray 1 size switch test points Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-185...
  • Page 218 Table 2 Tray 2 paper size table Size Size Size Size switch 4 switch 3 switch 2 switch 1 Paper (S07-324) (S07-323) (S07-322) (S07-321) A4 LEF A4 SEF A5 LEF Status Indicator RAPs May 2013 2-186 Xerox® WorkCentre® 5790 Family...
  • Page 219 (W/TAG 151) 8.5 x 12.4 SEF • Tray 3 or Tray 4 Out of Paper RAP (W/O 151) 8.5 x 13 SEF Figure 5 Tray 2 circuit diagram Status Indicator RAPs May 2013 07E, 07F Xerox® WorkCentre® 5790 Family 2-187...
  • Page 220 PL 8.33 Item • HCF Control PWB, PL 7.21 Item Figure 1 Component location The fault may be intermittent, check the wiring and connectors between the HCF control PWB and the sensor. Status Indicator RAPs May 2013 2-188 Xerox® WorkCentre® 5790 Family...
  • Page 221 Tray 3 or Tray 4 Out of Paper RAP (W/TAG 151). If tray 5 is out of service, go to Tray 5 Empty RAP. Figure 2 Circuit diagram Status Indicator RAPs May 2013 07G, 07H Xerox® WorkCentre® 5790 Family 2-189...
  • Page 222 The fault may be intermittent. Perform the steps that follow: • Check the wiring harness for damaged wire, Figure 1 Component location • Check that Tray 5 empty sensor is located correctly. Status Indicator RAPs May 2013 2-190 Xerox® WorkCentre® 5790 Family...
  • Page 223 (Tray is low on paper) will be displayed. If the tray is filled with 190 sheets or more, the message is cancelled. Status Indicator RAPs May 2013 07J, 07K Xerox® WorkCentre® 5790 Family 2-191...
  • Page 224 Tray 4 low paper sensor HCF control PWB Tray 3 low paper sensor P/J 390 Figure 1 Component location Figure 2 Circuit Diagram Status Indicator RAPs May 2013 2-192 Xerox® WorkCentre® 5790 Family...
  • Page 225 Tray 4 paper feed assembly, PL 8.31 Item • HCF Control PWB, PL 7.21 Item The fault may be intermittent, check the wiring and connectors between the HCF control PWB and the sensor. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-193...
  • Page 226 Figure 2 Circuit diagram Status Indicator RAPs May 2013 2-194 Xerox® WorkCentre® 5790 Family...
  • Page 227 +5V Distribution RAP. • 0V Distribution RAP. Install new components as necessary: • Tray 1 feed sensor, PL 7.30 Item • Tray 1 and 2 control PWB, PL 7.10 Item Status Indicator RAPs May 2013 08-100, 08-100A Xerox® WorkCentre® 5790 Family 2-195...
  • Page 228 PL 8.25 Item • The transport rolls for wear, PL 8.25 Item Install new components as necessary. Tray 1 feed sensor Q08-101 Wait sensor Q08-100 Figure 1 Component location Status Indicator RAPs May 2013 08-100A 2-196 Xerox® WorkCentre® 5790 Family...
  • Page 229 • Tray 1 and 2 control PWB, PL 7.10 Item Figure 2 Circuit diagram Enter dC330 code 08-025 transport roll drives motor MOT08-025. Press Start. The motor runs. Status Indicator RAPs May 2013 08-100A, 08-100B Xerox® WorkCentre® 5790 Family 2-197...
  • Page 230 PL 8.25 Item • The transport rolls for wear, PL 8.25 Item Install new components as necessary. Tray 1 feed sensor Wait sensor Q08-101 Q08-100 Figure 1 Component location Status Indicator RAPs May 2013 08-100B 2-198 Xerox® WorkCentre® 5790 Family...
  • Page 231 08-025 transport roll drives motor, MOT08-025. Press Start. The motor runs. Figure 2 Circuit diagram Go to Flag 2. Check MOT08-025. Refer to: • GP 10 How to Check a Motor. Status Indicator RAPs May 2013 08-100B, 08-101 Xerox® WorkCentre® 5790 Family 2-199...
  • Page 232 Clean the feed roll using a cloth dampened with water. Figure 1 Component location • Check the roll assembly, PL 8.26 Item • Check the feed assembly, PL 8.26 Item Status Indicator RAPs May 2013 08-101 2-200 Xerox® WorkCentre® 5790 Family...
  • Page 233 Figure 2 Circuit diagram Go to Flag 2. Check MOT08-025. Refer to: • GP 10 How to Check a Motor. • P/J273, Tray 1 and 2 control PWB. Status Indicator RAPs May 2013 08-101, 08-102 Xerox® WorkCentre® 5790 Family 2-201...
  • Page 234 Clean the feed roll using a cloth dampened with water. Figure 1 Component location • Check the feed roll assembly, PL 8.26 Item • Check the feed assembly, PL 8.26 Item Status Indicator RAPs May 2013 08-102 2-202 Xerox® WorkCentre® 5790 Family...
  • Page 235 151) go to the 08-103B, 08-113B Tray 3 Misfeed RAP (W/TAG 151). • (W/O 151) go to the 08-103A, 08-113A Tray 3 Misfeed RAP (W/O 151). Figure 2 Circuit diagram Status Indicator RAPs May 2013 08-102, 08-103, 08-113 Xerox® WorkCentre® 5790 Family 2-203...
  • Page 236 The transport rolls rotate. components, PL 7.17 Item • If the fault still occurs, check the following, Check the gears and drive belt, PL 8.30 Item PL 8.30 Item Status Indicator RAPs May 2013 08-103A, 08-113A 2-204 Xerox® WorkCentre® 5790 Family...
  • Page 237 PL 8.35 Item Tray 3 and 4 Tray 3 feed motor transport motor MOT08-030 MOT08-045 HCF control Tray 3 feed sensor Q08-103 Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 08-103A, 08-113A Xerox® WorkCentre® 5790 Family 2-205...
  • Page 238 3, check that the top surface of the metal paper tray is the same dis- • Drive coupling, PL 8.36 Item tance from the inside top of the slots • Drive belt, PL 8.36 Item Status Indicator RAPs May 2013 08-103B, 08-113B 2-206 Xerox® WorkCentre® 5790 Family...
  • Page 239 PL 8.33 Item CL08-033 HCF transport motor MOT08-045 Tray 3 feed sensor Q08-103 HCF control PWB Tray 3 feed motor MOT08-030 Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 08-103B, 08-113B Xerox® WorkCentre® 5790 Family 2-207...
  • Page 240 08-104A, 08-114A Tray 4 Misfeed RAP (W/O 151). • (W/TAG 151) go to the 08-104B, 08-114B Tray 4 Misfeed RAP (W/TAG 151). Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-103B, 08-113B, 08-104, 08-114 2-208 Xerox® WorkCentre® 5790 Family...
  • Page 241 Check that the paper stack does not stop below the separator strips. Also check in the run mode that the stack does not fall below the separator strips. The transport rolls rotate. Status Indicator RAPs May 2013 08-104A, 08-114A Xerox® WorkCentre® 5790 Family 2-209...
  • Page 242 Tray 4 feed sensor Q08-104 Tray 4 feed motor Tray 3 and 4 MOT08-040 transport motor MOT08-045 HCF control PWB Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 08-104A, 08-114A 2-210 Xerox® WorkCentre® 5790 Family...
  • Page 243 Pull out tray 4 and remove all of the paper from the tray. Item 2 The transport roll and takeaway roll rotate. Remove the tray 4 front cover. Status Indicator RAPs May 2013 08-104B, 08-114B Xerox® WorkCentre® 5790 Family 2-211...
  • Page 244 PL 7.19 Item HCF transport motor MOT08-045 Tray 4 feed motor MOT08-040 Tray 4 feed sensor Q08-104 HCF control PWB Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 08-104B, 08-114B 2-212 Xerox® WorkCentre® 5790 Family...
  • Page 245 2. Check Q08-102. Refer to: Figure 3 Circuit diagram • GP 11 How to Check a Sensor. • P/J276, Tray 1 and 2 control PWB. • +5V Distribution RAP. Status Indicator RAPs May 2013 08-104B, 08-114B, 08-106 Xerox® WorkCentre® 5790 Family 2-213...
  • Page 246 PL 8.30 Item 8.11. Install new components as necessary. Tray 1 feed sensor Q08-101 Tray 2 feed sensor Tray 1 and 2 transport rolls Q08-102 Figure 1 Component location Status Indicator RAPs May 2013 08-106 2-214 Xerox® WorkCentre® 5790 Family...
  • Page 247 Figure 2 Circuit diagram Perform the following: • Figure 2. Check the tray 3 transport rolls, 8.35, 8.30. • Go to RAP 08-103, 08-113 Tray 3 Misfeed RAP. Status Indicator RAPs May 2013 08-106, 08-107 Xerox® WorkCentre® 5790 Family 2-215...
  • Page 248 Tray 4 feed sensor Tray 3 paper Q08-104 path rolls Tray 4 paper Tray 3 and 4 transport motor path rolls MOT08-045 Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 08-107 2-216 Xerox® WorkCentre® 5790 Family...
  • Page 249 Tray 3 or Tray 4 Paper Feed Jam RAP (W/O 151). • (W/TAG 151 ) go to the 08-108B Tray 3 or Tray 4 Paper Feed Jam RAP (W/TAG 151). Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-107, 08-108 Xerox® WorkCentre® 5790 Family 2-217...
  • Page 250 0V Distribution RAP. Install new components as necessary: • Tray 3 and 4 transport motor, PL 8.30 Item • HCF control PWB, PL 7.20 Item The transport rolls rotate. Status Indicator RAPs May 2013 08-108A 2-218 Xerox® WorkCentre® 5790 Family...
  • Page 251 Tray 3 and 4 transport motor MOT08-045 Figure 2 Circuit diagram Tray 2 feed sensor Q08-102 Figure 1 Component location Status Indicator RAPs May 2013 08-108A Xerox® WorkCentre® 5790 Family 2-219...
  • Page 252 • HCF control PWB, PL 7.21 Item The transport rolls rotate. Refer to Figure 2. Check the following, install new components as necessary: • Drive belt, PL 8.36 Item Status Indicator RAPs May 2013 08-108B 2-220 Xerox® WorkCentre® 5790 Family...
  • Page 253 Drive coupling HCF transport motor MOT08-045 Drive belt Takeaway roll assembly Idler roll assembly Figure 2 Component location Tray 2 feed sensor Q08-102 Figure 1 Component location Status Indicator RAPs May 2013 08-108B Xerox® WorkCentre® 5790 Family 2-221...
  • Page 254 Tray 5 Misfeed RAP (35-55 ppm) • If the speed of the machine is 65-90 ppm, go to 08-115B, 08-117B Tray 5 Misfeed RAP (65-90 ppm). Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-108B, 08-115, 08-117 2-222 Xerox® WorkCentre® 5790 Family...
  • Page 255 The feed roll rotates • GP 11 How to Check a Sensor. • P/J5, IOT PWB. Check the one way coupling, feed roll and clutch. Install new components as necessary: Status Indicator RAPs May 2013 08-115A, 08-117A Xerox® WorkCentre® 5790 Family 2-223...
  • Page 256 Left hand door Tray 5 feed motor Wait sensor Q08-100 MOT08-117 Figure 2 Component location Tray 5 transport motor MOT08-046 Tray 5 control PWB Figure 1 Component location Status Indicator RAPs May 2013 08-115A, 08-117A 2-224 Xerox® WorkCentre® 5790 Family...
  • Page 257 Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-115A, 08-117A Xerox® WorkCentre® 5790 Family 2-225...
  • Page 258 Check the drive gears between the motor and the feed shaft. Install new components as • Take away roller, PL 8.47 Item necessary: • Motor drive gear, PL 8.40 Item Status Indicator RAPs May 2013 08-115B, 08-117B 2-226 Xerox® WorkCentre® 5790 Family...
  • Page 259 Tray 5 Stack Height Sensor and Retard Shield. • Clean the feed roll using a cloth dampened with water. • Install a new feed, nudger and retard roll, PL 8.45 Item Status Indicator RAPs May 2013 08-115B, 08-117B Xerox® WorkCentre® 5790 Family 2-227...
  • Page 260 Left hand door Wait sensor Q08-100 Figure 2 Component location Status Indicator RAPs May 2013 08-115B, 08-117B 2-228 Xerox® WorkCentre® 5790 Family...
  • Page 261 Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-115B, 08-117B Xerox® WorkCentre® 5790 Family 2-229...
  • Page 262 08-030 tray 3 feed motor, MOT08-030, stack the code 08-033 tray 3 feed clutch, CL08-033. Pull out tray 3 and observe the tray 3 feed and nudger rolls. Press Start. The rolls rotate. Status Indicator RAPs May 2013 08-131 2-230 Xerox® WorkCentre® 5790 Family...
  • Page 263 Tray 3 exit sensor Q08-109 Figure 2 Component location Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-131 Xerox® WorkCentre® 5790 Family 2-231...
  • Page 264 PL 8.36 Item • Figure 2, idler roll assembly, PL 8.36 Item • Tray 3 and 4 transport roll, PL 8.32 Item 4 Perform the 08-103, 08-113 Tray 3 Misfeed RAP. Status Indicator RAPs May 2013 08-132 2-232 Xerox® WorkCentre® 5790 Family...
  • Page 265 Drive coupling Drive belt Figure 3 Circuit diagram Takeaway roll assembly Idler roll assembly Figure 2 Component location Status Indicator RAPs May 2013 08-132 Xerox® WorkCentre® 5790 Family 2-233...
  • Page 266 HCF control PWB, PL 7.21 Item The transport rolls rotate. Check the tray 3 and 4 transport roll, PL 8.32 Item 4 Perform the 08-104, 08-114 Tray 4 Misfeed RAP. Status Indicator RAPs May 2013 08-133 2-234 Xerox® WorkCentre® 5790 Family...
  • Page 267 Registration Jam RAP (35-55 ppm) • If the speed of the machine is 65-90 ppm, go to 08-150B, 08-151B Registration Jam RAP (65-90 ppm). Figure 2 Circuit diagram Status Indicator RAPs May 2013 08-133, 08-150, 08-151 Xerox® WorkCentre® 5790 Family 2-235...
  • Page 268 IOT PWB Diagnostics RAP before a new IOT PWB is installed, • Check the fuser drive gear, PL 4.17 Item 10 for wear. If necessary, install a new fuser 1.10 Item drive gear. Status Indicator RAPs May 2013 08-150A, 08-151A 2-236 Xerox® WorkCentre® 5790 Family...
  • Page 269 Registration rolls Registration clutch CL08-070 Registration sensor Q08-150 Registration transport rolls Left hand door Wait sensor Q08-100 Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 08-150A, 08-151A Xerox® WorkCentre® 5790 Family 2-237...
  • Page 270 IOT PWB Diagnostics RAP before a new IOT PWB is installed, • Install a new tray 1 and 2 control PWB, PL 7.10 Item 1.10 Item • Refer to Figure 2. Make sure PJ44 is securely connected. Status Indicator RAPs May 2013 08-150B, 08-151B 2-238 Xerox® WorkCentre® 5790 Family...
  • Page 271 Registration nip rolls Registration clutch CL08-070 Registration Registration sensor transport rolls Q08-150 Left hand door Wait sensor Q08-100 Figure 2 Circuit diagram Figure 1 Component location Status Indicator RAPs May 2013 08-150B, 08-151B Xerox® WorkCentre® 5790 Family 2-239...
  • Page 272 How to Check a Solenoid or Clutch. • P/J5, IOT PWB. • P/J17 LVPS. • Fuse, PL 1.10 Item Enter dC330 code 08-050 feed solenoid, SOL08-050. Press Start. The solenoid energizes. Status Indicator RAPs May 2013 08-155, 08-156, 08-155A, 08-156A 2-240 Xerox® WorkCentre® 5790 Family...
  • Page 273 Clean the feed roll and retard pad using a cloth dampened with water. • If necessary install a new feed and retard pad, PL 7.30 Item Feed roll Bypass tray Upper guide and idler rolls Figure 1 Component location Status Indicator RAPs May 2013 08-155A, 08-156A Xerox® WorkCentre® 5790 Family 2-241...
  • Page 274 Registration nip rolls Registration sensor Q08-150 Registration clutch Registration CL08-070 transport rolls Left hand door Wait sensor Q08-100 Figure 2 Component location Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-155A, 08-156A 2-242 Xerox® WorkCentre® 5790 Family...
  • Page 275 How to Check a Solenoid or Clutch. • P/J5, IOT PWB. • P/J17 LVPS. • Fuse, PL 1.10 Item Enter dC330 code 08-050 feed solenoid, SOL08-050. Press Start. The solenoid energizes. Status Indicator RAPs May 2013 08-155B, 08-156B Xerox® WorkCentre® 5790 Family 2-243...
  • Page 276 Registration sensor Registration Q08-150 transport rolls Feed roll Bypass tray Left hand door Upper guide Wait sensor Q08-100 and idler rolls Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 08-155B, 08-156B 2-244 Xerox® WorkCentre® 5790 Family...
  • Page 277 Jam RAP (35-55 ppm) • If the speed of the machine is 65-90 ppm, go to 08-160B, 08-161B Duplex paper path Jam RAP (65-90 ppm). Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-155B, 08-156B, 08-160, 08-161 Xerox® WorkCentre® 5790 Family 2-245...
  • Page 278 Duplex motor, (35-55 ppm) PL 8.22 Item • GP 12 How to check a Solenoid or Clutch. • Duplex motor driver PWB, (35-55 ppm) PL 8.22 Item • P/J5, IOT PWB. Status Indicator RAPs May 2013 08-160A, 08-161A 2-246 Xerox® WorkCentre® 5790 Family...
  • Page 279 Refer to the replacement procedure in 8.5. Duplex motor MOT08-060 Inverter nip solenoid SOL10-050 Duplex sensor Q08-160 Inverter motor Inverter path MOT10-030 solenoid SOL10-045 Figure 1 Component location Status Indicator RAPs May 2013 08-160A, 08-161A Xerox® WorkCentre® 5790 Family 2-247...
  • Page 280 Figure 2 Circuit diagram Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-160A, 08-161A 2-248 Xerox® WorkCentre® 5790 Family...
  • Page 281 PL 8.20 Item Install new components as necessary: • Perform IOT PWB Diagnostics RAP before a new IOT PWB is installed, • Inverter path solenoid, PL 10.11 Item 1.10 Item Status Indicator RAPs May 2013 08-160B, 08-161B Xerox® WorkCentre® 5790 Family 2-249...
  • Page 282 Refer to the replacement procedure in 8.5. Duplex motor MOT08-060 Inverter nip solenoid SOL10-050 Duplex sensor Q08-160 Inverter motor Inverter path MOT10-030 solenoid SOL10-045 Figure 2 Circuit diagram Figure 1 Component location Status Indicator RAPs May 2013 08-160B, 08-161B 2-250 Xerox® WorkCentre® 5790 Family...
  • Page 283 If the initial actions did not resolve the problem. Switch off the machine, then switch on the machine, 14. If a fault code is displayed then go to the appropriate RAP. Figure 3 Circuit diagram Status Indicator RAPs May 2013 08-160B, 08-161B, 08-171 Xerox® WorkCentre® 5790 Family 2-251...
  • Page 284 Install new components as necessary. • Check the registration sensor, Q08-150 and the wait sensor, Q08-100, refer to 08-150B, 08-151B Registration Jam RAP (65-90 ppm). Install new components as necessary. Status Indicator RAPs May 2013 08-174, 08-180 2-252 Xerox® WorkCentre® 5790 Family...
  • Page 285 If a fault code is displayed then go to the appropriate RAP. • Enter dC330, code 10-045 and check the operation of the inverter gate, PL 10.12 Item It should move freely without binding. Status Indicator RAPs May 2013 08-181, 08-182 Xerox® WorkCentre® 5790 Family 2-253...
  • Page 286 If the initial actions did not correct the problem. Switch off the machine, then switch on the machine, 14. If a fault code is displayed then go to the appropriate RAP. Status Indicator RAPs May 2013 08-190 2-254 Xerox® WorkCentre® 5790 Family...
  • Page 287 • Charge scorotron grid, -425V +/- 21V. If the fault continues, install a new HVPS, PL 1.10 Item • The two terminals identified as G are the same output. Status Indicator RAPs May 2013 09-060 Xerox® WorkCentre® 5790 Family 2-255...
  • Page 288 Repair the harness or install a new developer bias harness, (35-55 ppm) PL 9.17 Item 6, (65-90 ppm) PL 9.15 Item 6. Secure the harness in position with adhesive tape to prevent re-occurance of the fault. Status Indicator RAPs May 2013 09-060 2-256 Xerox® WorkCentre® 5790 Family...
  • Page 289 The two terminals identified as CB are the same output. Registration chute bias connection Bias contact Figure 3 Component location Figure 2 Component location (35 ppm) Status Indicator RAPs May 2013 09-060 Xerox® WorkCentre® 5790 Family 2-257...
  • Page 290 Developer bias connection Figure 4 Component location Figure 5 Circuit diagram Status Indicator RAPs May 2013 09-060 2-258 Xerox® WorkCentre® 5790 Family...
  • Page 291 NOTE: It may necessary to enter the codes several times to ensure that the toner dispense Figure 1 Component location motor does actuate and deactuate the low toner sensor. It may be necessary to make several copies to prevent over toning the developer. Status Indicator RAPs May 2013 09-310, 09-390 Xerox® WorkCentre® 5790 Family 2-259...
  • Page 292 Toner cartridge drive gears Toner cartridge motor MOT 09-045 Toner dispense motor Low toner sensor In-line connector PJ75 MOT 09-040 Q09-310 Figure 2 Component Location Figure 3 Circuit diagram Status Indicator RAPs May 2013 09-310, 09-390 2-260 Xerox® WorkCentre® 5790 Family...
  • Page 293 1.10 Item The fault may be intermittent, perform the following: • Check the wiring, 7. Repair if necessary, 1.2. • Ensure that P/J64 is correctly and securely connected. Status Indicator RAPs May 2013 09-341, 09-342 Xerox® WorkCentre® 5790 Family 2-261...
  • Page 294 Install a new erase lamp, (35 ppm) PL 9.22 Item 1, (40-90 ppm) PL 9.20 Item Perform IOT PWB Diagnostics RAP before a new IOT PWB is installed, 1.10 Item Status Indicator RAPs May 2013 09-341, 09-342, 09-350 2-262 Xerox® WorkCentre® 5790 Family...
  • Page 295 The vacuum transport fan and Registration clutch, go to 10-101A, 10-102A, 10-103A Lead Edge Late to Fuser Exit Sensor RAP. Erase lamp P/J41 Figure 2 Circuit diagram Erase lamp Figure 1 Component location Status Indicator RAPs May 2013 09-350 Xerox® WorkCentre® 5790 Family 2-263...
  • Page 296 2. Perform dC905 TC Sensor Calibration. Enter dC330. Enter the code 04-010, main drive motor. Press start. Add the code 09-040, toner dispense motor. Press Start. Status Indicator RAPs May 2013 09-360, 09-361, 09-362, 09-363 2-264 Xerox® WorkCentre® 5790 Family...
  • Page 297 1 volt). Go to Flag 4. Check the voltage at P/J93, pin 9. The displayed value is within 0.2V of the voltage checked at P/J93 pin 9. Status Indicator RAPs May 2013 09-360, 09-361, 09-362, 09-363 Xerox® WorkCentre® 5790 Family 2-265...
  • Page 298 P/J93 TC sensor Q09-360 Toner dispense drive gears Toner dispense motor MOT09-040 Figure 2 Circuit diagram Figure 1 Component location Status Indicator RAPs May 2013 09-360, 09-361, 09-362, 09-363 2-266 Xerox® WorkCentre® 5790 Family...
  • Page 299 If the fault is intermittent, perform the steps that follow: • Check the wiring, 7. Repair if necessary, 1.2. • Make sure that the P/Js are correctly and securely connected. Status Indicator RAPs May 2013 09-365 Xerox® WorkCentre® 5790 Family 2-267...
  • Page 300 If the fault is intermittent, perform the steps that follow: • Check the wiring, 7. Repair if necessary, 1.2. • Make sure that the P/Js are correctly and securely connected. Status Indicator RAPs May 2013 09-365, 09-370 2-268 Xerox® WorkCentre® 5790 Family...
  • Page 301 Figure 2 Circuit diagram Temperature sensor Q09-370 P/J47 Figure 1 Component Location Status Indicator RAPs May 2013 09-370 Xerox® WorkCentre® 5790 Family 2-269...
  • Page 302 PWB. Observe again the displayed state of Q09-375. The displayed state changed. P/J46 Go to Flag 1. Check for +5V at P/J7 pin 3 on the PWB. +5V is present. Figure 1 Component location Status Indicator RAPs May 2013 09-375 2-270 Xerox® WorkCentre® 5790 Family...
  • Page 303 1.10 Item • Main drive module, (35-55 ppm) PL 4.15 Item 1, (65-90 ppm) PL 4.10 Item Make sure that S09-380 is mounted correctly. Install new components as necessary. Status Indicator RAPs May 2013 09-375, 09-380 Xerox® WorkCentre® 5790 Family 2-271...
  • Page 304 Waste toner door switch S09-380 Figure 2 Circuit diagram Waste toner door Waste toner bottle Figure 1 Component location Status Indicator RAPs May 2013 09-380 2-272 Xerox® WorkCentre® 5790 Family...
  • Page 305 Table 1 Service plan Service plan type Service plan description NASG-N NASG-S DMO-W DMO-E Sold - Xerox service agreement does not include the cost of NASG-N the xerographic module NASG-S Meter - Xerox service agreement does include the cost of DMO-W...
  • Page 306 The fault may be intermittent. Check that the sensor is located correctly on the support bracket and on the machine frame. Check for damaged components on the sensor, PL 9.10 Item Status Indicator RAPs May 2013 09A, 09B 2-274 Xerox® WorkCentre® 5790 Family...
  • Page 307 Figure 2 Circuit diagram Waste toner full sensor Q09-350 P/J48 Figure 1 Component location Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-275...
  • Page 308 Flag 1. Check the harness and the connectors, If necessary, install a new photoreceptor fan assembly, PL 9.25 Item 6 Install a new photoreceptor fan assembly, PL 9.25 Item 6 Status Indicator RAPs May 2013 2-276 Xerox® WorkCentre® 5790 Family...
  • Page 309 TAG 114 short paper path is installed. • If 10-101 jams are caused when paper is fed from tray 5, perform dC132 NVM Initializa- tion. Status Indicator RAPs May 2013 10-101, 10-102, 10-103, 10-101A, 10-102A, 10-103A Xerox® WorkCentre® 5790 Family 2-277...
  • Page 310 GP 12 How to Check a Solenoid or Clutch. • P/J5, PWB. • P/J17, LVPS. • Fuse, PL 1.10 Item • +24V Distribution RAP. • 0V Distribution RAP. Status Indicator RAPs May 2013 10-101A, 10-102A, 10-103A 2-278 Xerox® WorkCentre® 5790 Family...
  • Page 311 Registration rolls Registration sensor Q08-150 Fuser exit switch S10-100 Registration clutch CL08-070 Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 10-101A, 10-102A, 10-103A Xerox® WorkCentre® 5790 Family 2-279...
  • Page 312 Transfer / detack corotron Transport rolls Vacuum transport fan MOT10-065 Figure 3 Component location Figure 4 Circuit diagram Status Indicator RAPs May 2013 10-101A, 10-102A, 10-103A 2-280 Xerox® WorkCentre® 5790 Family...
  • Page 313 If 10-101 jams are caused when paper is fed from tray 5, perform dC132 NVM Initializa- • Fuse, PL 1.10 Item tion. • +24V Distribution RAP. • 0V Distribution RAP. Status Indicator RAPs May 2013 10-101B, 10-102B, 10-103B Xerox® WorkCentre® 5790 Family 2-281...
  • Page 314 If the fault still occurs, the +24V supply from the LVPS may be faulty. Install a new LVPS, PL 1.10 Item Fuser exit switch S10-100 Figure 1 Component location Status Indicator RAPs May 2013 10-101B, 10-102B, 10-103B 2-282 Xerox® WorkCentre® 5790 Family...
  • Page 315 Transfer / detack corotron Registration nip rolls Transport rolls Vacuum transport fan MOT10-065 Figure 3 Component location Registration clutch Registration sensor CL08-070 Q08-150 Figure 2 Component location Status Indicator RAPs May 2013 10-101B, 10-102B, 10-103B Xerox® WorkCentre® 5790 Family 2-283...
  • Page 316 Figure 4 Circuit diagram Enter dC330 code 10-100 fuser exit switch, S10-100. Press Start. Manually actuate the switch with a piece of paper. The display changes. Status Indicator RAPs May 2013 10-101B, 10-102B, 10-103B, 10-107, 10-108, 10-109, 2-284 Xerox® WorkCentre® 5790 Family...
  • Page 317 Figure 1 Component location (65-90 ppm) • Inverter motor driver PWB, PL 10.11 Item • Perform IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item Status Indicator RAPs May 2013 10-107, 10-108, 10-109, 10-110 Xerox® WorkCentre® 5790 Family 2-285...
  • Page 318 Fuser exit switch S10-100 Inverter path solenoid Upper baffle SOL10-045 Figure 2 Component location (35-55 ppm) Status Indicator RAPs May 2013 10-107, 10-108, 10-109, 10-110 2-286 Xerox® WorkCentre® 5790 Family...
  • Page 319 Figure 3 Circuit diagram Status Indicator RAPs May 2013 10-107, 10-108, 10-109, 10-110 Xerox® WorkCentre® 5790 Family 2-287...
  • Page 320 10-045 inverter path solenoid, SOL 10-045. Press Start. The solenoid – 11H-110 Copy Damage in the 2K LCSS RAP. energizes. – 11E-171 Copy Damage in the HVF BM RAP. Status Indicator RAPs May 2013 10-120, 10-121, 10-126 2-288 Xerox® WorkCentre® 5790 Family...
  • Page 321 1, (65-90 ppm) PL 10.10 Item • The fuser drive gear on the main drives module, (35-55 ppm) PL 4.17 Item 10, (65-90 ppm) PL 4.12 Item Status Indicator RAPs May 2013 10-120, 10-121, 10-126 Xerox® WorkCentre® 5790 Family 2-289...
  • Page 322 SOL10-045 Inverter nip solenoid IOT exit sensor SOL10-050 Q10-120 Figure 2 Component location 65-90 ppm 5 Upper gravity fingers 4 Lower gravity fingers Figure 3 Component location Status Indicator RAPs May 2013 10-120, 10-121, 10-126 2-290 Xerox® WorkCentre® 5790 Family...
  • Page 323 Figure 4 Circuit diagram Status Indicator RAPs May 2013 10-120, 10-121, 10-126 Xerox® WorkCentre® 5790 Family 2-291...
  • Page 324 10-105 inverter sensor, Q10-105. Press Start. Use a piece of paper to actuate the sensor. The display changes. Go to Flag 2. Check Q10-105. Refer to: Figure 1 Component location • 11. How to Check a Sensor. Status Indicator RAPs May 2013 10-132, 10-133, 10-134 2-292 Xerox® WorkCentre® 5790 Family...
  • Page 325 Inverter sensor Q10-105 Inverter nip split solenoid SOL10-055 Figure 2 Component location Figure 3 Circuit diagram Status Indicator RAPs May 2013 10-132, 10-133, 10-134 Xerox® WorkCentre® 5790 Family 2-293...
  • Page 326 Figure • Figure • P/J61, IOT PWB • P/J61, PWB. • P/J17, LVPS. • +5V Distribution RAP. • Fuse, PL 1.10 Item • 0V Distribution RAP. Status Indicator RAPs May 2013 10-135, 10-136, 10-137, 10-138 2-294 Xerox® WorkCentre® 5790 Family...
  • Page 327 The fuser drive gear on the main drives module, PL 4.12 Item If the fault still occurs, the +24V supply from the LVPS may be faulty. Install a new LVPS, 1.10 Item Status Indicator RAPs May 2013 10-135, 10-136, 10-137, 10-138 Xerox® WorkCentre® 5790 Family 2-295...
  • Page 328 Inverter sensor Q10-105 Inverter nip split solenoid SOL10-055 Figure 3 Inverter assembly 5 Upper gravity fingers 4 Lower gravity fingers Figure 2 Component location Status Indicator RAPs May 2013 10-135, 10-136, 10-137, 10-138 2-296 Xerox® WorkCentre® 5790 Family...
  • Page 329 Figure 4 Circuit diagram Status Indicator RAPs May 2013 10-135, 10-136, 10-137, 10-138 Xerox® WorkCentre® 5790 Family 2-297...
  • Page 330 Check that the photoreceptor duct, gear 9.25 Item 5 and the lower duct, PL 9.25 Item 8 are correctly installed. Figure 1 Component location Status Indicator RAPs May 2013 10-315, 10-320, 10-321, 10-323, 10-340, 10-350, 10-360, 2-298 Xerox® WorkCentre® 5790 Family...
  • Page 331 Pin 3 Pin 9 Pin 4 Pin 10 P/J100 IOT PWB PJ24 HVPS Figure 3 Component location 35 ppm Figure 2 Component location Status Indicator RAPs May 2013 10-315, 10-320, 10-321, 10-323, 10-340, 10-350, 10- Xerox® WorkCentre® 5790 Family 2-299...
  • Page 332 LVPS IOT PWB PJ24 HVPS Figure 4 Component location 40-90 ppm Status Indicator RAPs May 2013 10-315, 10-320, 10-321, 10-323, 10-340, 10-350, 10-360, 2-300 Xerox® WorkCentre® 5790 Family...
  • Page 333 Figure 5 Circuit diagram Status Indicator RAPs May 2013 10-315, 10-320, 10-321, 10-323, 10-340, 10-350, 10- Xerox® WorkCentre® 5790 Family 2-301...
  • Page 334 2. If necessary, install a new fuser connector assembly, (35-55 ppm) PL 4.15 Item 9, (65-90 ppm) PL 4.10 Item Connect PJ24, (35 ppm) Figure 3, (40-90 ppm) Figure Status Indicator RAPs May 2013 10-322, 10-324, 10-325, 10-330, 10-370 2-302 Xerox® WorkCentre® 5790 Family...
  • Page 335 Pin 10 Pin 3 Pin 4 Pin 10 Pin 4 P/J 100 P/J 100 CRUM Fuser drive gear Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 10-322, 10-324, 10-325, 10-330, 10-370 Xerox® WorkCentre® 5790 Family 2-303...
  • Page 336 LVPS LVPS IOT PWB IOT PWB P/J24 PJ24 HVPS HVPS Figure 3 Component location 35 ppm Figure 4 Component location 40-90 ppm Status Indicator RAPs May 2013 10-322, 10-324, 10-325, 10-330, 10-370 2-304 Xerox® WorkCentre® 5790 Family...
  • Page 337 Figure 5 Circuit diagram Status Indicator RAPs May 2013 10-322, 10-324, 10-325, 10-330, 10-370 Xerox® WorkCentre® 5790 Family 2-305...
  • Page 338 The life expectancy of the fuser web is the same as the Fuser module. Install new Fuser mod- ule, (35-55 ppm) PL 10.8 Item 1, (65-90 ppm) PL 10.10 Item Status Indicator RAPs May 2013 10-399, 10A 2-306 Xerox® WorkCentre® 5790 Family...
  • Page 339 P/J100 Drive coupling for the web assembly Fuser drawer Fuser connector Fuser web motor module P/J100 assembly (MOT10-010) Fuser drive gear Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-307...
  • Page 340 Figure 3 Circuit diagram Status Indicator RAPs May 2013 2-308 Xerox® WorkCentre® 5790 Family...
  • Page 341 Enter dC330, codes 11-003 and 11-005 alternately The front tamper moves between the home and inboard positions, Figure Figure 1 Component location Go to Flag 2. Check the front tamper motor, MOT11-003. Status Indicator RAPs May 2013 11-005-110, 11-006-110, 11-310-110, 11-311-110 Xerox® WorkCentre® 5790 Family 2-309...
  • Page 342 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-005-110, 11-006-110, 11-310-110, 11-311-110 2-310 Xerox® WorkCentre® 5790 Family...
  • Page 343 Repair or install new components as necessary: • Rear tamper away home sensor, PL 11.16 Item • 2K LCSS PWB, PL 11.26 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-007-110, 11-008-110, 11-312-110, 11-313-110, 11- Xerox® WorkCentre® 5790 Family 2-311...
  • Page 344 Rear tamper motor MOT11-004 (located at the front) Rear tamper away home sensor Q11-319 Rear tamper home sensor Q11-311 Figure 1 Component Location Status Indicator RAPs May 2013 11-007-110, 11-008-110, 11-312-110, 11-313-110, 11- 2-312 Xerox® WorkCentre® 5790 Family...
  • Page 345 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-007-110, 11-008-110, 11-312-110, 11-313-110, 11- Xerox® WorkCentre® 5790 Family 2-313...
  • Page 346 2K LCSS Power Distribution RAP Figure 1 Component location Repair or install new components as necessary: • Paddle motor, PL 11.8 Item • 2K LCSS PWB, PL 11.26 Item Status Indicator RAPs May 2013 11-024-110, 11-025-110 2-314 Xerox® WorkCentre® 5790 Family...
  • Page 347 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-024-110, 11-025-110 Xerox® WorkCentre® 5790 Family 2-315...
  • Page 348 PL 11.12 Item • 2K LCSS PWB, PL 11.26 Item Figure 1, enter dC330, code 11-333. Actuate the bin 1 lower level sensor Q11-333. The dis- play changes. Status Indicator RAPs May 2013 11-030-110, 11-334-110, 11-335-110, 11-336-110 2-316 Xerox® WorkCentre® 5790 Family...
  • Page 349 Refer to: • 11G-110 2K LCSS PWB Damage RAP. • GP 11 How to Check a Sensor. Figure 1 Component location • P/J316, 2K LCSS PWB. Status Indicator RAPs May 2013 11-030-110, 11-334-110, 11-335-110, 11-336-110 Xerox® WorkCentre® 5790 Family 2-317...
  • Page 350 Q11-331 Bin 1 motor encoder sensor Q11-336 Bin 1 elevator motor MOT11-030 Bin 1 lower limit switch, S11-335. Figure 2 Component location Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-030-110, 11-334-110, 11-335-110, 11-336-110 2-318 Xerox® WorkCentre® 5790 Family...
  • Page 351 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-030-110, 11-334-110, 11-335-110, 11-336-110 Xerox® WorkCentre® 5790 Family 2-319...
  • Page 352 1. The dis- play changes. Go to Flag 1. Check Q11-350. Refer to: • 11G-110 2K LCSS PWB Damage RAP. • GP 11 How to Check a Sensor. Status Indicator RAPs May 2013 11-043-110, 11-350-110 2-320 Xerox® WorkCentre® 5790 Family...
  • Page 353 Hole punch motor MOT11-042 Punch head present sensor Q11-351 Punch head home sensor Q11-350 Chad bin level sensor, Q11-348 Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 11-043-110, 11-350-110 Xerox® WorkCentre® 5790 Family 2-321...
  • Page 354 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-043-110, 11-350-110 2-322 Xerox® WorkCentre® 5790 Family...
  • Page 355 Go to Flag 1 Flag 2. Check the wiring and connectors between the 2K LCSS PWB and the staple head. The wiring is good. Repair the wiring. Status Indicator RAPs May 2013 11-050-110, 11-360-110 Xerox® WorkCentre® 5790 Family 2-323...
  • Page 356 Switch support bracket Spring Staple head including MOT11-050 and staple head 1 home sensor Q11-360 Switch cam SU1 safety gate switch, S11-365 Figure 1 Component location Status Indicator RAPs May 2013 11-050-110, 11-360-110 2-324 Xerox® WorkCentre® 5790 Family...
  • Page 357 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-050-110, 11-360-110 Xerox® WorkCentre® 5790 Family 2-325...
  • Page 358 • 11D-110. 2K LCSS Power Distribution RAP. Repair or install new components as necessary: • Stapler traverse assembly, PL 11.20 Item • 2K LCSS PWB, PL 11.26 Item Status Indicator RAPs May 2013 11-053-110, 11-370-110 2-326 Xerox® WorkCentre® 5790 Family...
  • Page 359 SU1 motor MOT11-053 SU1 front index sensor Q11-371 SU1 home sensor Q11-370 Figure 1 Component location Status Indicator RAPs May 2013 11-053-110, 11-370-110 Xerox® WorkCentre® 5790 Family 2-327...
  • Page 360 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-053-110, 11-370-110 2-328 Xerox® WorkCentre® 5790 Family...
  • Page 361 2K LCSS Power Distribution RAP. Repair or install new components as necessary: • Entry sensor, PL 11.24 Item • 2K LCSS PWB, PL 11.26 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-100-110 Xerox® WorkCentre® 5790 Family 2-329...
  • Page 362 2K LCSS Power Distribution RAP Repair or install new components as necessary: • Punch sensor, PL 11.6 Item • 2K LCSS PWB, PL 11.26 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-100-110, 11-110-110 2-330 Xerox® WorkCentre® 5790 Family...
  • Page 363 Punch sensor Q11-110 Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-110-110 Xerox® WorkCentre® 5790 Family 2-331...
  • Page 364 • 2K LCSS PWB, PL 11.26 Item Refer to: • 11G-110 2K LCSS PWB Damage RAP. Perform SCP 6 Final Actions. • 10, How to Check a Motor. Status Indicator RAPs May 2013 11-130-110, 11-132-110 2-332 Xerox® WorkCentre® 5790 Family...
  • Page 365 Top exit sensor Q11-130 Diverter gate solenoid S11-002 Transport motor 2 Transport motor 1 MOT11-001 MOT 11-000 Figure 1 Component location Status Indicator RAPs May 2013 11-130-110, 11-132-110 Xerox® WorkCentre® 5790 Family 2-333...
  • Page 366 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-130-110, 11-132-110 2-334 Xerox® WorkCentre® 5790 Family...
  • Page 367 Stapled Sets and Non-Stapled Sets RAP. • 2K LCSS PWB, PL 11.26 Item Enter dC330, code 11-000 to energize the transport motor 1, MOT 11-000. The motor ener- gizes. Status Indicator RAPs May 2013 11-140-110, 11-142-110 Xerox® WorkCentre® 5790 Family 2-335...
  • Page 368 NOTE: A software problem can cause the machine to incorrectly display the fault code 11-142- 110. 2nd to top exit sensor Q11-140 Diverter gate solenoid S11-002 Transport motor 2 MOT11-001 Transport motor 1 MOT 11-000 Figure 1 Component location Status Indicator RAPs May 2013 11-140-110, 11-142-110 2-336 Xerox® WorkCentre® 5790 Family...
  • Page 369 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-140-110, 11-142-110 Xerox® WorkCentre® 5790 Family 2-337...
  • Page 370 • Go to Flag 1. Check the wiring between P/J302 and the switch. • If necessary, install a new switch, PL 11.4 Item Figure 1 Component location Status Indicator RAPs May 2013 11-300-110, 11-302-110, 11-303-110 2-338 Xerox® WorkCentre® 5790 Family...
  • Page 371 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-300-110, 11-302-110, 11-303-110 Xerox® WorkCentre® 5790 Family 2-339...
  • Page 372 Refer to: • 11G-110 2K LCSS PWB Damage RAP. Go to the 11D-110 2K LCSS Power Distribution RAP. • GP 11 How to Check a Sensor. • Figure Status Indicator RAPs May 2013 11-320-110, 11-322-110 2-340 Xerox® WorkCentre® 5790 Family...
  • Page 373 2K LCSS PWB Damage RAP, if necessary install a new 2K LCSS PWB, PL 11.26 Item Pulley/drive gear Ejector belt Ejector out sensor Q11-322 Ejector motor MOT11-020 Ejector motor encoder sensor Ejector home sensor Q11-320 Figure 1 Component location Status Indicator RAPs May 2013 11-320-110, 11-322-110 Xerox® WorkCentre® 5790 Family 2-341...
  • Page 374 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-320-110, 11-322-110 2-342 Xerox® WorkCentre® 5790 Family...
  • Page 375 Repair or install new components as necessary: Staple head unit • SH 1 paper sensor, PL 11.20 Item • 2K LCSS PWB, PL 11.26 Item Figure 1 Component location Status Indicator RAPs May 2013 11-364-110 Xerox® WorkCentre® 5790 Family 2-343...
  • Page 376 Forming plate fully closed Forming plate open Primed staples Figure 2 Staple cartridge open Figure 3 Staple cartridge closed Status Indicator RAPs May 2013 11-364-110 2-344 Xerox® WorkCentre® 5790 Family...
  • Page 377 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-364-110 Xerox® WorkCentre® 5790 Family 2-345...
  • Page 378 PWB. Go to Flag 4. Disconnect P/J312. +2V is available at P/J312 between pins B10 and B12 when the code is entered. • 11D-110 2K LCSS Power Distribution RAP. Status Indicator RAPs May 2013 11A-110 2-346 Xerox® WorkCentre® 5790 Family...
  • Page 379 Staple head assembly Edge reg- Spring istration sensor Offline staple PWB Switch cam SU 1 safety gate switch S11-365 Ejector assembly Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 11A-110 Xerox® WorkCentre® 5790 Family 2-347...
  • Page 380 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11A-110 2-348 Xerox® WorkCentre® 5790 Family...
  • Page 381 PL 11.10 Item • 2K LCSS PWB, PL 11.26 Item Perform SCP 6 Final Actions. Figure 2 Circuit diagram Bin 1 90% full sensor Q11-331 Figure 1 Component location Status Indicator RAPs May 2013 11B-110 Xerox® WorkCentre® 5790 Family 2-349...
  • Page 382 Bin 1 not at home, refer to 11-030-110, 11-334-110, 11-335-110, 11-336-110 Bin 1 Move- ment Failures RAP. • Punch not at home, refer to 11-043-110, 11-350-110 Hole Punch Operation Failure RAP Status Indicator RAPs May 2013 11C-110 2-350 Xerox® WorkCentre® 5790 Family...
  • Page 383 +24V is available between all the checked pins on the end of the harness. Go to the AC Power RAP and check the AC output voltages. Check the wiring between CN2 and P/J300. The wiring is good. Status Indicator RAPs May 2013 11D-110 Xerox® WorkCentre® 5790 Family 2-351...
  • Page 384 2K LCSS PWB. Refer to Perform the 11G-110 2K LCSS PWB Damage RAP, if necessary install a new 2K LCSS PWB, PL 11.26 Item Power Supply Module Figure 1 Component location Status Indicator RAPs May 2013 11D-110 2-352 Xerox® WorkCentre® 5790 Family...
  • Page 385 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11D-110 Xerox® WorkCentre® 5790 Family 2-353...
  • Page 386 NOTE: On later LCSS PWBs, the DPS2 and DPS3 DIP switches are no longer fitted. DPS1 remains on the later PWBs and should be set as shown in Figure Figure 1 DIP switch settings Status Indicator RAPs May 2013 11E-110, 11F-110 2-354 Xerox® WorkCentre® 5790 Family...
  • Page 387 W/Tag F-010 PJ312 pin A1 to A3 = 20 ohms pin A1 to A4 = 20 ohms pin A2 to A5 = 20 ohms pin A2 to A6 = 20 ohms Status Indicator RAPs May 2013 11G-110 Xerox® WorkCentre® 5790 Family 2-355...
  • Page 388 11.22 Item 11-130-110, 11-132-110 Q2, Q3, Q4, Bin 1 elevator PJ318 Bin 1 elevator motor, motor pin 1 to 2 = 7.7 ohms 11.10 Item 11-030-110, 11-334-110, 11-335-110, 11- 336-110 Status Indicator RAPs May 2013 11G-110 2-356 Xerox® WorkCentre® 5790 Family...
  • Page 389 Inspect the four spring loaded guides on the output cover, PL 11.2 Item 7. Ensure that they are correctly located and are free to move up and down. Figure 1 Position of the spring clip Status Indicator RAPs May 2013 11H-110, 11J-110 Xerox® WorkCentre® 5790 Family 2-357...
  • Page 390 Machines that regular process small stacks of A4/8.5x11 inch LEF, A3/11x17 inch and A4/8.5x11 inch SEF paper should have the standard W/OTAG F-013 bin 1 installed, PL 11.2 Item • Check the output copies for curl, refer to IQ5. Status Indicator RAPs May 2013 11K-110 2-358 Xerox® WorkCentre® 5790 Family...
  • Page 391 Enter dC330, codes 11-003 and 11-005 alternately. The front tamper moves between the home and inboard positions, Figure Figure 1 Component location Go to Flag 2. Check the front tamper motor, MOT11-003. Status Indicator RAPs May 2013 11-005-120, 11-006-120, 11-310-120, 11-311-120 Xerox® WorkCentre® 5790 Family 2-359...
  • Page 392 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-005-120, 11-006-120, 11-310-120, 11-311-120 2-360 Xerox® WorkCentre® 5790 Family...
  • Page 393 Repair or install new components as necessary: • Rear tamper away home sensor, PL 11.112 Item • 1K LCSS PWB, PL 11.124 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-007-120, 11-008-120, 11-312-120, 11-313-120, 11- Xerox® WorkCentre® 5790 Family 2-361...
  • Page 394 Rear tamper motor MOT11-004 (located at the front) Rear tamper away home sensor Q11-319 Rear tamper home sensor Q11-311 Figure 1 Component Location Status Indicator RAPs May 2013 11-007-120, 11-008-120, 11-312-120, 11-313-120, 11- 2-362 Xerox® WorkCentre® 5790 Family...
  • Page 395 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-007-120, 11-008-120, 11-312-120, 11-313-120, 11- Xerox® WorkCentre® 5790 Family 2-363...
  • Page 396 1K LCSS Power Distribution RAP Figure 1 Component location Repair or install new components as necessary: • Paddle motor, PL 11.104 Item • 1K LCSS PWB, PL 11.124 Item Status Indicator RAPs May 2013 11-024-120, 11-025-120 2-364 Xerox® WorkCentre® 5790 Family...
  • Page 397 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-024-120, 11-025-120 Xerox® WorkCentre® 5790 Family 2-365...
  • Page 398 Check the front and rear bin 1 drive belts. If necessary install new components, PL 11.106 Item Figure 2. Enter dC330 code 11-334, bin 1 upper limit switch, S11-334. Actuate S11-334. The display changes. Status Indicator RAPs May 2013 11-030-120, 11-334-120, 11-335-120, 11-336-120 2-366 Xerox® WorkCentre® 5790 Family...
  • Page 399 • When the tray is emptied, the tray returns to the home position. In the home position the bin one upper limit switch, S11-334 is actuated. Status Indicator RAPs May 2013 11-030-120, 11-334-120, 11-335-120, 11-336-120 Xerox® WorkCentre® 5790 Family 2-367...
  • Page 400 MOT11-030 Bin 1 elevator motor damper Bin 1 lower limit switch S11-335. Bin 1 90% full sensor Q11-331 Figure 2 Component location Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-030-120, 11-334-120, 11-335-120, 11-336-120 2-368 Xerox® WorkCentre® 5790 Family...
  • Page 401 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-030-120, 11-334-120, 11-335-120, 11-336-120 Xerox® WorkCentre® 5790 Family 2-369...
  • Page 402 1K LCSS PWB Damage RAP. Install new components as necessary: • Staple head unit, PL 11.116 Item • 1K LCSS PWB, PL 11.124 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-050-120, 11-360-120 2-370 Xerox® WorkCentre® 5790 Family...
  • Page 403 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-050-120, 11-360-120 Xerox® WorkCentre® 5790 Family 2-371...
  • Page 404 Repair or install new components as necessary: • Entry sensor, PL 11.122 Item • 1K LCSS PWB, PL 11.124 Item Perform SCP 6 Final Actions. Figure 1 Component location Status Indicator RAPs May 2013 11-100-120 2-372 Xerox® WorkCentre® 5790 Family...
  • Page 405 Enter dC330, code 11-001 transport motor 2, MOT11-001, Figure 1. MOT11-001 runs. Go to Flag 3. Check MOT11-001. Refer to: • 11F-120 1K LCSS PWB Damage RAP. Status Indicator RAPs May 2013 11-100-120, 11-130-120, 11-132-120 Xerox® WorkCentre® 5790 Family 2-373...
  • Page 406 1K LCSS Power Distribution RAP. Repair or install new components as necessary: • Transport motor 1, PL 11.110 Item • 1K LCSS PWB, PL 11.124 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-130-120, 11-132-120 2-374 Xerox® WorkCentre® 5790 Family...
  • Page 407 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-130-120, 11-132-120 Xerox® WorkCentre® 5790 Family 2-375...
  • Page 408 UI. Make sure that the correct sensor or switch is tested. • 11C-120 1K LCSS Power Distribution RAP. NOTE: All 1K LCSS interlocks must be made to supply +24V to the motors. Status Indicator RAPs May 2013 11-140-120, 11-142-120 2-376 Xerox® WorkCentre® 5790 Family...
  • Page 409 PL 11.124 Item Perform SCP 6 Final Actions. 2nd to top exit sensor Q11-140 Transport motor 2 MOT11-001 Diverter gate solenoid S11-002 Transport motor 1 MOT11-000 Figure 1 Component location Status Indicator RAPs May 2013 11-140-120, 11-142-120 Xerox® WorkCentre® 5790 Family 2-377...
  • Page 410 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-140-120, 11-142-120 2-378 Xerox® WorkCentre® 5790 Family...
  • Page 411 If the display does not change, refer to: – 13, How to Check a Switch – P/J6, 1K LCSS PWB • Go to Flag 1. Check the wiring between P/J6 and S11-300. Status Indicator RAPs May 2013 11-300-120, 11-302-120, 11-303-120 Xerox® WorkCentre® 5790 Family 2-379...
  • Page 412 Top cover interlock switch S11-302 Front door interlock switch S11-303 Figure 2 Component location Docking interlock switch S11-300 Figure 1 Component location Status Indicator RAPs May 2013 11-300-120, 11-302-120, 11-303-120 2-380 Xerox® WorkCentre® 5790 Family...
  • Page 413 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-300-120, 11-302-120, 11-303-120 Xerox® WorkCentre® 5790 Family 2-381...
  • Page 414 7 and 8. Go to Flag 1. Check Q11-320. Go to the 11C-120 1K LCSS Power Distribution RAP. Refer to: • 11F-120 1K LCSS PWB Damage RAP. Status Indicator RAPs May 2013 11-320-120, 11-322-120 2-382 Xerox® WorkCentre® 5790 Family...
  • Page 415 PL 11.124 Item Ejector out sensor Q11-322 Pulley/drive gear Ejector belt Ejector motor MOT11-020 Ejector motor encoder sensor Ejector home sensor Q11-320 Ejector motor damper Figure 1 Component location Status Indicator RAPs May 2013 11-320-120, 11-322-120 Xerox® WorkCentre® 5790 Family 2-383...
  • Page 416 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-320-120, 11-322-120 2-384 Xerox® WorkCentre® 5790 Family...
  • Page 417 Repair or install new components as necessary: • SH 1 paper sensor, PL 11.116 Item SH 1 paper sensor • 1K LCSS PWB, PL 11.124 Item Q11-361 Staple head unit Figure 1 Component location Status Indicator RAPs May 2013 11-364-120 Xerox® WorkCentre® 5790 Family 2-385...
  • Page 418 Primed staples Forming plate fully closed Forming plate open Figure 2 Staple cartridge open Figure 3 Staple cartridge closed Status Indicator RAPs May 2013 11-364-120 2-386 Xerox® WorkCentre® 5790 Family...
  • Page 419 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-364-120 Xerox® WorkCentre® 5790 Family 2-387...
  • Page 420 Repair or install new components as necessary: Figure 1 Component location • Bin 1 90% full sensor, PL 11.106 Item • 1K LCSS PWB, PL 11.124 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11A-120 2-388 Xerox® WorkCentre® 5790 Family...
  • Page 421 Staple head not at home, refer to 11-050-120, 11-360-120 Staple Head Operation Failure RAP. • Ejector not at home, refer to 11-320-120, 11-322-120 Compiler Ejector Movement Failure RAP. Status Indicator RAPs May 2013 11A-120, 11B-120 Xerox® WorkCentre® 5790 Family 2-389...
  • Page 422 PL 11.124 Item +24 V is available at P/J5 pin 3 on the 1K LCSS PWB. Go to the 11-300-120, 11-302-120, 11-303-120 Interlocks RAP. Perform the steps that follow: Status Indicator RAPs May 2013 11B-120, 11C-120 2-390 Xerox® WorkCentre® 5790 Family...
  • Page 423 11F-120 1K LCSS PWB Damage RAP. If necessary install a new 1K LCSS PWB, PL 11.124 Item The +24V and +5V supplies on the 1K LCSS PWB are good. Status Indicator RAPs May 2013 11C-120 Xerox® WorkCentre® 5790 Family 2-391...
  • Page 424 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11C-120 2-392 Xerox® WorkCentre® 5790 Family...
  • Page 425 14. Correct Go to 03-360, 03-408 to 03-410, 03-418 IOT to Output Device Error Rap. the DIP switch setting, then switch on the machine, Figure 1 DIP switch settings Status Indicator RAPs May 2013 11D-120, 11E-120 Xerox® WorkCentre® 5790 Family 2-393...
  • Page 426 Pin 11 to 15 = 0.8 ohms. Diverter gate At PJ13: Diverter gate solenoid, solenoid (S11- Pin 1 to pin 2 = 74 ohms 11.118 Item 002) 11-130-120, 11-132-120 Figure 1 1K LCSS PWB components Status Indicator RAPs May 2013 11F-120 2-394 Xerox® WorkCentre® 5790 Family...
  • Page 427 Check that the end of the spring clip is positioned on the inside of the frame. Figure 1 Position of the spring clip Status Indicator RAPs May 2013 11F-120, 11G-120 Xerox® WorkCentre® 5790 Family 2-395...
  • Page 428 Inspect the four spring loaded guides on the output cover, PL 11.100 Item 7. Ensure that they are correctly located and are free to move up and down. Status Indicator RAPs May 2013 11H-120, 11J-120 2-396 Xerox® WorkCentre® 5790 Family...
  • Page 429 Install new components as necessary: • Paddle module assembly, PL 11.145 Item Figure 1 Component location • HVF control PWB, PL 11.157 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-024-171, 11-026-171 Xerox® WorkCentre® 5790 Family 2-397...
  • Page 430 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-024-171, 11-026-171 2-398 Xerox® WorkCentre® 5790 Family...
  • Page 431 Enter dC330, code 11-045 for the motor to travel in the forward direction, or enter the code 11- 046 for the motor to travel in the reverse direction. The motor operates. Status Indicator RAPs May 2013 11-044-171 to 11-047-171 Xerox® WorkCentre® 5790 Family 2-399...
  • Page 432 Punch head motor MOT11-043 Punch head home sensor Q11-350 Punch unit home sensor Q11-044 Punch unit motor MOT11-045 Hole punch assembly Figure 1 Component location Status Indicator RAPs May 2013 11-044-171 to 11-047-171 2-400 Xerox® WorkCentre® 5790 Family...
  • Page 433 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-044-171 to 11-047-171 Xerox® WorkCentre® 5790 Family 2-401...
  • Page 434 4. Check the wiring from the IDG Pickup Sensor to the Inserter PWB. Check the IDG Pickup Sensor. Refer to: • GP 11 How to Check a Sensor. • P/J701, HVF Control PWB • P/J7, P/J4, Inserter PWB Status Indicator RAPs May 2013 11-056-171, 11-057-171 2-402 Xerox® WorkCentre® 5790 Family...
  • Page 435 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-056-171, 11-057-171 Xerox® WorkCentre® 5790 Family 2-403...
  • Page 436 2. Check the BM crease blade motor encoder sensor, Q11-418. Refer to: • 11, How to Check a Sensor. • P/J552, PWB. • 11A-171 HVF Power Distribution RAP. Status Indicator RAPs May 2013 11-061-171, 11-416-171 2-404 Xerox® WorkCentre® 5790 Family...
  • Page 437 BM crease blade BM crease BM crease blade home sensor, blade motor, motor encoder sensor, Crease blade Q11-416 MOT 11-061 Q11-418 knob Figure 1 Component location Status Indicator RAPs May 2013 11-061-171, 11-416-171 Xerox® WorkCentre® 5790 Family 2-405...
  • Page 438 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-061-171, 11-416-171 2-406 Xerox® WorkCentre® 5790 Family...
  • Page 439 • BM crease roll motor encoder sensor, PL 11.166 Item • BM crease roll motor, PL 11.166 Item • BM PWB, PL 11.166 Item 10 Status Indicator RAPs May 2013 11-062-171 Xerox® WorkCentre® 5790 Family 2-407...
  • Page 440 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-062-171 2-408 Xerox® WorkCentre® 5790 Family...
  • Page 441 • P/J551, PWB. • 11A-171 HVF Power Distribution RAP. Install new components as necessary: • BM staple head 1, PL 11.168 Item • BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11-063-171, 11-411-171 Xerox® WorkCentre® 5790 Family 2-409...
  • Page 442 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-063-171, 11-411-171 2-410 Xerox® WorkCentre® 5790 Family...
  • Page 443 Note: For clarity, the BM base plate is not shown Refer to: • 12, How to Check a Solenoid or Clutch. • P/J555, PWB. Figure 1 Component location Status Indicator RAPs May 2013 11-065-171, 11-383-171 Xerox® WorkCentre® 5790 Family 2-411...
  • Page 444 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-065-171, 11-383-171 2-412 Xerox® WorkCentre® 5790 Family...
  • Page 445 1.2. If neces- sary install new components: • BM tamper 1 home sensor, PL 11.162 Item • BM tamper 1 motor, PL 11.162 Item • BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11-066-171, 11-384-171 Xerox® WorkCentre® 5790 Family 2-413...
  • Page 446 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-066-171, 11-384-171 2-414 Xerox® WorkCentre® 5790 Family...
  • Page 447 HVF Control PWB • 11A-171 HVF Power Distribution RAP Figure 1 Component location Install new components as necessary: • Paper pusher upper sensor, PL 11.145 Item Status Indicator RAPs May 2013 11-083-171, 11-440-171 to 11-443-171 Xerox® WorkCentre® 5790 Family 2-415...
  • Page 448 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-083-171, 11-440-171 to 11-443-171 2-416 Xerox® WorkCentre® 5790 Family...
  • Page 449 PL 11.150 Item • HVF control PWB, PL 11.157 Item Check the drive belt on the motor. The drive belt is good. Install a new drive belt, PL 11.150 Item Status Indicator RAPs May 2013 11-100-171, 11-101-171 Xerox® WorkCentre® 5790 Family 2-417...
  • Page 450 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-100-171, 11-101-171 2-418 Xerox® WorkCentre® 5790 Family...
  • Page 451 3. Check the exit feed motor 2, MOT 11-001. Figure 1 Component location Refer to: • GP 10 How to Check a Motor. • P/J102, HVF Control PWB Status Indicator RAPs May 2013 11-130-171, 11-132-171 Xerox® WorkCentre® 5790 Family 2-419...
  • Page 452 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-130-171, 11-132-171 2-420 Xerox® WorkCentre® 5790 Family...
  • Page 453 (MOT11-001) runs. Go to Flag 3. Check the exit feed motor 2, MOT 11-001. Refer to: • GP 10 How to Check a Motor. Figure 1 Component location Status Indicator RAPs May 2013 11-140-171, 11-142-171 Xerox® WorkCentre® 5790 Family 2-421...
  • Page 454 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-140-171, 11-142-171 2-422 Xerox® WorkCentre® 5790 Family...
  • Page 455 PL 11.150 Item • HVF control PWB, PL 11.157 Item Check the drive belt on the motor. The drive belt is good. Install a new drive belt, PL 11.150 Item Status Indicator RAPs May 2013 11-157-171, 11-161-171 Xerox® WorkCentre® 5790 Family 2-423...
  • Page 456 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-157-171, 11-161-171 2-424 Xerox® WorkCentre® 5790 Family...
  • Page 457 Refer to: • BM diverter solenoid, PL 11.150 Item • 11, How to Check a Sensor. • HVF control PWB, PL 11.157 Item • P/J556, PWB. Status Indicator RAPs May 2013 11-158-171, 11-160-171, 162-171, 163-171 Xerox® WorkCentre® 5790 Family 2-425...
  • Page 458 SOL11-074 BM paper present sensor Q11-190 HVF booklet exit sensor Q11-158 Stapler bracket assembly Bypass feed motor MOT11-080 Figure 2 Component location Figure 1 Component location Status Indicator RAPs May 2013 11-158-171, 11-160-171, 162-171, 163-171 2-426 Xerox® WorkCentre® 5790 Family...
  • Page 459 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-158-171, 11-160-171, 162-171, 163-171 Xerox® WorkCentre® 5790 Family 2-427...
  • Page 460 • Buffer path sensor, PL 11.156 Item • Buffer feed motor, PL 11.150 Item • HVF control PWB, PL 11.157 Item Status Indicator RAPs May 2013 11-158-171, 11-160-171, 162-171, 163-171, 11-164-171, 2-428 Xerox® WorkCentre® 5790 Family...
  • Page 461 Buffer path sensor Q11-164 Buffer feed motor MOT11-079 Figure 1 Component location Status Indicator RAPs May 2013 11-164-171, 11-165-171 Xerox® WorkCentre® 5790 Family 2-429...
  • Page 462 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-164-171, 11-165-171 2-430 Xerox® WorkCentre® 5790 Family...
  • Page 463 How to Check a Motor. • P/J554, PWB. • 11A-171 HVF Power Distribution RAP. Install new components as necessary • BM compiler motor, PL 11.166 Item • BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11-172-171 Xerox® WorkCentre® 5790 Family 2-431...
  • Page 464 BM entry roll BM compiler motor, MOT11-060 BM paper present sensor, Q11-190 Stapler bracket assembly Figure 1 Component location Status Indicator RAPs May 2013 11-172-171 2-432 Xerox® WorkCentre® 5790 Family...
  • Page 465 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-172-171 Xerox® WorkCentre® 5790 Family 2-433...
  • Page 466 3. Check the sensor, Q11-176. Q11-176 Refer to: • GP 11 How to Check a Sensor • P/J302, HVF Control PWB Figure 1 Component location • 11A-171 HVF Power Distribution RAP Status Indicator RAPs May 2013 11-173-171 to 11-177-171 2-434 Xerox® WorkCentre® 5790 Family...
  • Page 467 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-173-171 to 11-177-171 Xerox® WorkCentre® 5790 Family 2-435...
  • Page 468 2. The display changes. Go to Flag 3. Check sensor, Q11-409. Refer to: • 11, How to Check a Sensor. • P/J556, PWB. • 11A-171 HVF Power Distribution RAP. Status Indicator RAPs May 2013 11-180-171, 11-182-171 2-436 Xerox® WorkCentre® 5790 Family...
  • Page 469 BM exit sensor, Q11-409 BM crease blade motor, MOT11-061 Figure 2 Component location BM crease roll motor, MOT11-062 BM crease roll motor encoder sensor, Q11-419 Figure 1 Component location Status Indicator RAPs May 2013 11-180-171, 11-182-171 Xerox® WorkCentre® 5790 Family 2-437...
  • Page 470 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-180-171, 11-182-171 2-438 Xerox® WorkCentre® 5790 Family...
  • Page 471 11-160. Manually actuate the BM entry sensor, Q11-160, Figure 1. The dis- play changes. Go to Flag 3. Check sensor, Q11-160. Refer to: • GP 11 How to Check a Sensor. Status Indicator RAPs May 2013 11-183-171, 11-184-171 Xerox® WorkCentre® 5790 Family 2-439...
  • Page 472 BM entry sensor, Q11-160 BM exit sensor, Q11-409 Figure 2 Component location BM paper present sensor, Q11-190 Figure 1 Component location Status Indicator RAPs May 2013 11-183-171, 11-184-171 2-440 Xerox® WorkCentre® 5790 Family...
  • Page 473 Tri folder entry sensor Q11-183 Figure 3 Component location Status Indicator RAPs May 2013 11-183-171, 11-184-171 Xerox® WorkCentre® 5790 Family 2-441...
  • Page 474 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-183-171, 11-184-171 2-442 Xerox® WorkCentre® 5790 Family...
  • Page 475 Folder exit sensor, PL 11.197 Item • Tri-folder control PWB, PL 11.193 Item Go to Flag 11. Check the motor, MOT 11-062. • BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11-185-171 to 11-187-171 Xerox® WorkCentre® 5790 Family 2-443...
  • Page 476 SCP 6 Final Actions. Drive clutch, CL11-087 TF Assist sensor, Q11-184 Figure 2 Component location TF Assist gate solenoid, TF diverter solenoid, SOL11-086 SOL11-085 Figure 1 Component location Status Indicator RAPs May 2013 11-185-171 to 11-187-171 2-444 Xerox® WorkCentre® 5790 Family...
  • Page 477 BM crease roll motor, MOT11-062 Figure 3 Component location Status Indicator RAPs May 2013 11-185-171 to 11-187-171 Xerox® WorkCentre® 5790 Family 2-445...
  • Page 478 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-185-171 to 11-187-171 2-446 Xerox® WorkCentre® 5790 Family...
  • Page 479 Figure 5 Circuit diagram Status Indicator RAPs May 2013 11-185-171 to 11-187-171 Xerox® WorkCentre® 5790 Family 2-447...
  • Page 480 11-170. Manually actuate the nip split sensor, Q11-170. The display changes. Go to Flag 2. Check the sensor, Q11-170. Refer to: • 11, How to Check a Sensor. • P/J101, P/J102HVF Control PWB. Status Indicator RAPs May 2013 11-188-171, 11-189-171 2-448 Xerox® WorkCentre® 5790 Family...
  • Page 481 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-188-171, 11-189-171 Xerox® WorkCentre® 5790 Family 2-449...
  • Page 482 Inserter control PWB, PL 11.179 Item • P/J6, P/J4, Inserter PWB. • HVF control PWB, PL 11.157 Item • P/J701, HVF Control PWB Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-191-171, 11-193-171, 11-194-171, 11-196-171 2-450 Xerox® WorkCentre® 5790 Family...
  • Page 483 Inserter TE sen- sor Q11-155 Inserter LE sensor Q11-154 Acceleration sensor Inserter clutch, Inserter motor, CL11-077 MOT11-078 Inserter standby sensor Figure 1 Component location Status Indicator RAPs May 2013 11-191-171, 11-193-171, 11-194-171, 11-196-171 Xerox® WorkCentre® 5790 Family 2-451...
  • Page 484 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-191-171, 11-193-171, 11-194-171, 11-196-171 2-452 Xerox® WorkCentre® 5790 Family...
  • Page 485 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-191-171, 11-193-171, 11-194-171, 11-196-171 Xerox® WorkCentre® 5790 Family 2-453...
  • Page 486 1.2. If neces- sary install new components. Go to Flag 3. Check the sensor, Q11-164. Refer to: • GP 11 How to Check a Sensor. • P/J101, HVF Control PWB. Status Indicator RAPs May 2013 11-198-171, 11-199-171 2-454 Xerox® WorkCentre® 5790 Family...
  • Page 487 Top exit sensor Q11-130 Stacker sensor Q11-140 Buffer path sensor Q11-164 Entry sensor Q11-100 HVF booklet exit sensor Q11-158 Buffer position sensor Q11-157 Figure 1 Component location Status Indicator RAPs May 2013 11-198-171, 11-199-171 Xerox® WorkCentre® 5790 Family 2-455...
  • Page 488 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-198-171, 11-199-171 2-456 Xerox® WorkCentre® 5790 Family...
  • Page 489 How to Check a Switch. – P/J112, HVF Control PWB. – Figure Flag • Check the wiring, • If necessary, install a new top cover interlock switch, PL 11.145 Item Status Indicator RAPs May 2013 11-300-171, 11-302-171, 11-303-171 Xerox® WorkCentre® 5790 Family 2-457...
  • Page 490 Top cover interlock switch S11-302 Front door interlock switch, Docking interlock switch, S11- S11-303 Figure 1 Component location Status Indicator RAPs May 2013 11-300-171, 11-302-171, 11-303-171 2-458 Xerox® WorkCentre® 5790 Family...
  • Page 491 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-300-171, 11-302-171, 11-303-171 Xerox® WorkCentre® 5790 Family 2-459...
  • Page 492 Inserter PWB, PL 11.179 Item • HVF Control PWB, PL 11.157 Item The fault may be intermittent. Check the wiring and the routing of the harness. Refer to Status Indicator RAPs May 2013 11-306-171, 11-309-171 2-460 Xerox® WorkCentre® 5790 Family...
  • Page 493 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-306-171, 11-309-171 Xerox® WorkCentre® 5790 Family 2-461...
  • Page 494 • P/J563, BM PWB. • 11A-171 HVF Power Distribution RAP. Install new components as necessary: Figure 1 Component location • Tri-folder front door interlock switch, PL 11.197 Item Status Indicator RAPs May 2013 11-307-171, 11-308-171 2-462 Xerox® WorkCentre® 5790 Family...
  • Page 495 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-307-171, 11-308-171 Xerox® WorkCentre® 5790 Family 2-463...
  • Page 496 With the stapler unit still at the inboard end, enter dC330, code 11-360, stapler home sensor. tinue with this RAP. Manually activate the stapler home sensor, Q11-360, Figure 2. The display changes. Status Indicator RAPs May 2013 11-371-171 to 11-377-171 2-464 Xerox® WorkCentre® 5790 Family...
  • Page 497 12 and the staple head unit. The wiring is good. Repair the wiring, REP 1.2 or install a new stapler harness and P-clip assembly, PL 11.140 Item 25 as necessary. Status Indicator RAPs May 2013 11-371-171 to 11-377-171 Xerox® WorkCentre® 5790 Family 2-465...
  • Page 498 Stapler unit mid home sensor, Q11-175 Paper pusher Stapler gate safety switch, S11-365 Figure 1 Component location Stapler home sensor, Q11-360 Figure 2 Component location Status Indicator RAPs May 2013 11-371-171 to 11-377-171 2-466 Xerox® WorkCentre® 5790 Family...
  • Page 499 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-371-171 to 11-377-171 Xerox® WorkCentre® 5790 Family 2-467...
  • Page 500 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-371-171 to 11-377-171 2-468 Xerox® WorkCentre® 5790 Family...
  • Page 501 7. Refer to ADJ 11.10- 171. • If the fault only occurs when paper is fed from tray 5, check the tray 5 alignment. Refer to 7.4. • Reload the software, Status Indicator RAPs May 2013 11-380-171 Xerox® WorkCentre® 5790 Family 2-469...
  • Page 502 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-380-171 2-470 Xerox® WorkCentre® 5790 Family...
  • Page 503 HVF control PWB, PL 11.157 Item Stack the dC330 code 11-174, front tamper away sensor. Move the motor using its control code 11-003 or 11-005. The display changes. Status Indicator RAPs May 2013 11-392-171 to 11-395-171 Xerox® WorkCentre® 5790 Family 2-471...
  • Page 504 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-392-171 to 11-395-171 2-472 Xerox® WorkCentre® 5790 Family...
  • Page 505 The display changes. Go to Flag 3. Check the wiring and repair as necessary, 1.2. Check the rear tamper Figure 1 Component location away sensor, Q11-319. Refer to: Status Indicator RAPs May 2013 11-396-171 to 11-399-171 Xerox® WorkCentre® 5790 Family 2-473...
  • Page 506 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-396-171 to 11-399-171 2-474 Xerox® WorkCentre® 5790 Family...
  • Page 507 2. Check the BM SH2 home switch, S11-413. BM staple head 2 Refer to: • 13, How to Check a Switch. • P/J551, PWB. Figure 1 Component location • 11A-171 HVF Power Distribution RAP. Status Indicator RAPs May 2013 11-403-171, 11-413-171, 11-414-171 Xerox® WorkCentre® 5790 Family 2-475...
  • Page 508 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-403-171, 11-413-171, 11-414-171 2-476 Xerox® WorkCentre® 5790 Family...
  • Page 509 BM crease roll gate motor, PL 11.166 Item The fault may be intermittent, check for damaged wiring or bad connectors, 1.2. If neces- sary install a new BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11-415-171 Xerox® WorkCentre® 5790 Family 2-477...
  • Page 510 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-415-171 2-478 Xerox® WorkCentre® 5790 Family...
  • Page 511 HVF Power Distribution RAP. Install new components as necessary: • Flapper home sensor, PL 11.161 Item • BM PWB, PL 11.166 Item Figure 1 Component location Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11-417-171, 11-418-171 Xerox® WorkCentre® 5790 Family 2-479...
  • Page 512 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-417-171, 11-418-171 2-480 Xerox® WorkCentre® 5790 Family...
  • Page 513 P/J401, HVF Control PWB. • 11A-171 HVF Power Distribution RAP. Install new components as necessary: • Ejector assembly, PL 11.140 Item • HVF control PWB, PL 11.157 Item Status Indicator RAPs May 2013 11-450-171, 11-456-171 to 11-459-171 Xerox® WorkCentre® 5790 Family 2-481...
  • Page 514 Left view of ejector Ejector Unit Motor, MOT11-023. Ejector Motor Encoder Ejector Home Sensor, Ejector Unit Out Sensor, Q11-177 Q11-320. Sensor, Q11-322. Figure 1 Component location Status Indicator RAPs May 2013 11-450-171, 11-456-171 to 11-459-171 2-482 Xerox® WorkCentre® 5790 Family...
  • Page 515 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-450-171, 11-456-171 to 11-459-171 Xerox® WorkCentre® 5790 Family 2-483...
  • Page 516 2. Check the wiring and repair as necessary, 1.2. Check the ejector roll motor, MOT 11-088. Refer to: • GP 10 How to Check a Motor. • P/J802, HVF Control PWB. Status Indicator RAPs May 2013 11-451-171 to 11-455-171 2-484 Xerox® WorkCentre® 5790 Family...
  • Page 517 Ejector plate home Ejector plate encoder sensor Q11-179 sensor Q11-178 LEFT SIDE VIEW OF EJETOR RIGHT UNDER-SIDE VIEW OF EJECTOR Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 11-451-171 to 11-455-171 Xerox® WorkCentre® 5790 Family 2-485...
  • Page 518 Ejector paper Rotate paddle 1 present sensor complete turn Figure 3 Component location Status Indicator RAPs May 2013 11-451-171 to 11-455-171 2-486 Xerox® WorkCentre® 5790 Family...
  • Page 519 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11-451-171 to 11-455-171 Xerox® WorkCentre® 5790 Family 2-487...
  • Page 520 Bin 1 upper level sensor (receiver), PL 11.140 Item • Bin 1 upper limit switch, PL 11.135 Item • HVF control PWB, PL 11.157 Item • HVF control PWB, PL 11.157 Item Status Indicator RAPs May 2013 11-460-171 to 11-462-171 2-488 Xerox® WorkCentre® 5790 Family...
  • Page 521 Then use a damp cloth to clean the sensor and plastic surround. Bin 1 90% full sensor, Q11-331 Perform SCP 6 Final Actions. Bin 1 lower limit switch, S11-335 Figure 1 Component location Status Indicator RAPs May 2013 11-460-171 to 11-462-171 Xerox® WorkCentre® 5790 Family 2-489...
  • Page 522 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-460-171 to 11-462-171 2-490 Xerox® WorkCentre® 5790 Family...
  • Page 523 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-460-171 to 11-462-171 Xerox® WorkCentre® 5790 Family 2-491...
  • Page 524 1 and 2. Install a new HVF control PWB, PL 11.157 Item Check the connectors and harness between P/J559 and P/J131. Repair the har- ness as necessary, 1.2. Status Indicator RAPs May 2013 11-463-171, 11-464-171 2-492 Xerox® WorkCentre® 5790 Family...
  • Page 525 Tri-folder unit HVF power supply module HVF control BM PWB Figure 1 Component location Status Indicator RAPs May 2013 11-463-171, 11-464-171 Xerox® WorkCentre® 5790 Family 2-493...
  • Page 526 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-463-171, 11-464-171 2-494 Xerox® WorkCentre® 5790 Family...
  • Page 527 Enter dC330, code 11-195 paddle unit lower sensor, Q11-195. Select code 11-195 and press Start. Select code 11-027 and press Start. The sensor status changes. Figure 1 Component location Go to Flag 3. Check Q11-195. Status Indicator RAPs May 2013 11-465-171 to 11-468-171 Xerox® WorkCentre® 5790 Family 2-495...
  • Page 528 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-465-171 to 11-468-171 2-496 Xerox® WorkCentre® 5790 Family...
  • Page 529 How to Check a Sensor. • P/J402, HVF Control PWB. • 11A-171 HVF Power Distribution RAP. Install new components as necessary: • Rear tamper assembly, PL 11.140 Item Status Indicator RAPs May 2013 11-473-171 to 11-478-171 Xerox® WorkCentre® 5790 Family 2-497...
  • Page 530 Support Finger Out Support Finger Home Sensor, Q11-192. Sensor, Q11-193 Gear wheel Support Finger Motor Support Finger Motor Support Finger Init Encoder Sensor. Sensor, Q11-191. Figure 1 Component location Status Indicator RAPs May 2013 11-473-171 to 11-478-171 2-498 Xerox® WorkCentre® 5790 Family...
  • Page 531 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-473-171 to 11-478-171 Xerox® WorkCentre® 5790 Family 2-499...
  • Page 532 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-473-171 to 11-478-171 2-500 Xerox® WorkCentre® 5790 Family...
  • Page 533 • GP 11 How to Check a Sensor. • P/J6, P/J4, Inserter PWB. Perform SCP 6 Final Actions. • P/J701, HVF Control PWB. • 11A-171, HVF Power Distribution RAP. Status Indicator RAPs May 2013 11-479-171 Xerox® WorkCentre® 5790 Family 2-501...
  • Page 534 Sheet size detector 1 sensor, Q11-150 Sheet size detector 2 TE sensor, sensor, Q11-151 Q11-155 LE sensor, Q11-154 Inserter clutch, CL11-077 Inserter motor, MOT11-078 Figure 1 Component location Status Indicator RAPs May 2013 11-479-171 2-502 Xerox® WorkCentre® 5790 Family...
  • Page 535 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11-479-171 Xerox® WorkCentre® 5790 Family 2-503...
  • Page 536 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11-479-171 2-504 Xerox® WorkCentre® 5790 Family...
  • Page 537 1 and pin 4. Check the connectors and harness between T001 and P/J113. Repair the har- ness as necessary, 1.2. Install a new BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11A-171 Xerox® WorkCentre® 5790 Family 2-505...
  • Page 538 LED 9 - red, steady. This indicates that the +5V supply is present in the HVF module. Figure 2 LEDs on the BM PWB Figure 1 LEDs on the HVF control PWB Status Indicator RAPs May 2013 11A-171 2-506 Xerox® WorkCentre® 5790 Family...
  • Page 539 Tri-folder unit In-line fuse HVF power supply module HVF control BM PWB Figure 3 Component location Status Indicator RAPs May 2013 11A-171 Xerox® WorkCentre® 5790 Family 2-507...
  • Page 540 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11A-171 2-508 Xerox® WorkCentre® 5790 Family...
  • Page 541 If the machine indicates that the booklet maker is not present, check that P/J133, pin 6 is held at zero. If necessary, repair the wiring, REP 1.2 or install a new HVF control PWB, PL 11.157 Item Figure 1 Circuit diagram Status Indicator RAPs May 2013 11B-171 Xerox® WorkCentre® 5790 Family 2-509...
  • Page 542 • P/J555, PWB. • 11A-171 HVF Power Distribution RAP. Install new components as necessary: • BM conveyor belts drive motor, PL 11.169 Item • BM PWB, PL 11.166 Item Status Indicator RAPs May 2013 11C-171 2-510 Xerox® WorkCentre® 5790 Family...
  • Page 543 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11C-171 Xerox® WorkCentre® 5790 Family 2-511...
  • Page 544 RAP. If the tampers are operating correctly, go to ADJ 11.5-171 Booklet Tamping and check the • Top and Bottom Edge Alignment. tampers are correctly adjusted. • Open Side Edge Alignment. Status Indicator RAPs May 2013 11D-171 2-512 Xerox® WorkCentre® 5790 Family...
  • Page 545 Back Stop Failure RAP. If the stack hold solenoids are operating correctly, check carefully for maker approved 1.5mm 2.1mm 3.6mm any contamination or debris in the compiling area of the BM, that could cause the mis-align- weights in GP 20 ment. Status Indicator RAPs May 2013 11D-171 Xerox® WorkCentre® 5790 Family 2-513...
  • Page 546 If the booklet staple position does not conform to the specification in Figure 5, perform 11.8-171 Booklet Staple Position. 148.5 +/- 1.5mm 210 +/- 1.5mm 8.5x11 inch 139.5 +/- 1.5mm Status Indicator RAPs May 2013 11D-171 2-514 Xerox® WorkCentre® 5790 Family...
  • Page 547 If the problem continues then install a new transport motor,. If the open dimension of the booklets does not conform to the specification in Table 6, install new crease nip springs, PL 11.165 Item Status Indicator RAPs May 2013 11D-171, 11E-171 Xerox® WorkCentre® 5790 Family 2-515...
  • Page 548 HVF BM Tamper Failure RAP. • Check if the HVF module has had the W/TAG V-006 modifications installed. If necessary perform ADJ 11.13-171 HVF Performance Improvement (W/TAG V-006). Status Indicator RAPs May 2013 11F-171, 11G-171 2-516 Xerox® WorkCentre® 5790 Family...
  • Page 549 Pause to unload PWB, PL 11.157 Item • HVF control PWB, PL 11.157 Item Figure 2 Circuit diagram PTU PWB PTU Switch, PTU LED S11-392 Figure 1 Component location Status Indicator RAPs May 2013 11H-171 Xerox® WorkCentre® 5790 Family 2-517...
  • Page 550 6. Measure the voltage from the inserter paper width sensor 2, Q11-152 while sliding paper width guide. The voltage changes. Check the inserter paper width sensor 2, Q11-152. Refer to: • GP 11 How to Check a Sensor. Status Indicator RAPs May 2013 11J-171 2-518 Xerox® WorkCentre® 5790 Family...
  • Page 551 1, Q11-152 Inserter unit empty sensor, Q11-153 inserter paper width sensor 2 IDG pickup sensor Acceleration sensor Figure 1 Component location Figure 2 Component location Status Indicator RAPs May 2013 11J-171 Xerox® WorkCentre® 5790 Family 2-519...
  • Page 552 Figure 3 Circuit diagram Status Indicator RAPs May 2013 11J-171 2-520 Xerox® WorkCentre® 5790 Family...
  • Page 553 Figure 4 Circuit diagram Status Indicator RAPs May 2013 11J-171 Xerox® WorkCentre® 5790 Family 2-521...
  • Page 554 The BM crease blade is not at the home position, refer to 11-061-171, 11-416-171 The BM crease blade is driven to the home position, unless already home BM Creasing RAP. Status Indicator RAPs May 2013 11K-171 2-522 Xerox® WorkCentre® 5790 Family...
  • Page 555 Paddle module assembly, PL 11.145 Item • 11A-171 HVF Power Distribution RAP. • HVF control PWB, PL 11.157 Item 2 Perform SCP 6 Final Actions. Figure 1 Circuit diagram Status Indicator RAPs May 2013 11L-171, 11M-171 Xerox® WorkCentre® 5790 Family 2-523...
  • Page 556 Curl suppressor solenoid, SOL11-084 Figure 2 Circuit diagram Figure 1 Component location Status Indicator RAPs May 2013 11M-171 2-524 Xerox® WorkCentre® 5790 Family...
  • Page 557 HVF Power Distribution RAP. Install new components as necessary: • Chad bin full sensor, PL 11.153 Item • HVF control PWB, PL 11.157 Item Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 11N-171 Xerox® WorkCentre® 5790 Family 2-525...
  • Page 558 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11N-171 2-526 Xerox® WorkCentre® 5790 Family...
  • Page 559 Buffer clamp solenoid, PL 11.150 Item • HVF control PWB, PL 11.157 Item Buffer clamp solenoid, SOL 11-082 Perform SCP 6 Final Actions. REAR VIEW Figure 1 Component location Status Indicator RAPs May 2013 11P-171 Xerox® WorkCentre® 5790 Family 2-527...
  • Page 560 Figure 2 Circuit diagram Status Indicator RAPs May 2013 11P-171 2-528 Xerox® WorkCentre® 5790 Family...
  • Page 561 Check the sensor actuator. If necessary install a new OCT, PL 12.10 Item Perform SCP 6 Final Actions RAP. OCT tray 90% full sensor Q12-300 Figure 1 Component location Status Indicator RAPs May 2013 12-301 Xerox® WorkCentre® 5790 Family 2-529...
  • Page 562 Figure 2 Circuit Diagram Status Indicator RAPs May 2013 12-301 2-530 Xerox® WorkCentre® 5790 Family...
  • Page 563 CCD PWB. If necessary, install a new single board controller module/scanner driver PWB/CCD PWB harness PL 14.25 Item 13, CCD PWB/Scanner PWB har- ness PL 14.25 Item Status Indicator RAPs May 2013 14-110, 14-110A Xerox® WorkCentre® 5790 Family 2-531...
  • Page 564 2. Check the wiring and P/J457. The wiring and connector are good. Figure 1 Carriage home sensor Repair the wiring and connector, 1.2. If necessary, install a new scan motor, 14.25 Item Status Indicator RAPs May 2013 14-110A 2-532 Xerox® WorkCentre® 5790 Family...
  • Page 565 The scan cable upper run must not go through cable anchor slot Cable anchor slot Figure 2 Correct position of the scan cable Status Indicator RAPs May 2013 14-110A Xerox® WorkCentre® 5790 Family 2-533...
  • Page 566 Figure 3 Circuit diagram Status Indicator RAPs May 2013 14-110A 2-534 Xerox® WorkCentre® 5790 Family...
  • Page 567 Check that the scanner drive belt is not loose, causing the belt to slip. If necessary re- the input module angle sensor by opening and closing the DADH. The display changes. position the scan motor so that the belt does not slip. Status Indicator RAPs May 2013 14-110B Xerox® WorkCentre® 5790 Family 2-535...
  • Page 568 Scan carriage home sensor (Q14-100). slot. Cable anchor slot. Figure 2 Correct position of the scan cable Scanner PWB Figure 1 Carriage home sensor Status Indicator RAPs May 2013 14-110B 2-536 Xerox® WorkCentre® 5790 Family...
  • Page 569 Figure 3 Circuit diagram Status Indicator RAPs May 2013 14-110B Xerox® WorkCentre® 5790 Family 2-537...
  • Page 570 2. Check the following voltages at P/J135 on the power distribution PWB: • +12V between pins 8 and 6. • +3.3V between pins 7 and 5. The voltages are good. Status Indicator RAPs May 2013 14-310 2-538 Xerox® WorkCentre® 5790 Family...
  • Page 571 CCD PWB Scanner PWB Figure 1 Component location Figure 2 Circuit diagram Status Indicator RAPs May 2013 14-310 Xerox® WorkCentre® 5790 Family 2-539...
  • Page 572 150) Check between PJ921 pin 5 on the Scanner PWB (W/TAG 150), inline connector PJ102, PJ152 pin 17 and PJ188 pin 5 on the DADH PWB. Refer to wiring diagrams WD 13 Status Indicator RAPs May 2013 14-320, 14-322 2-540 Xerox® WorkCentre® 5790 Family...
  • Page 573 RAP (W/O 150). • (W/TAG 150), go to the 14-703B to 14-706B, 712B, 714B, 718B Failure to Calibrate RAP (W/TAG 150). Status Indicator RAPs May 2013 14-340, 14-703 to 14-706, 712, 714, 716, 718 Xerox® WorkCentre® 5790 Family 2-541...
  • Page 574 P/J135 and P/J455, also between P/J135 and P/J450, refer to 7. The wiring is good. Figure 1 Optical path Repair the wiring, 1.2. Status Indicator RAPs May 2013 14-703A to 14-706A, 712A, 714A, 716A, 718A 2-542 Xerox® WorkCentre® 5790 Family...
  • Page 575 CCD PWB Scanner PWB Figure 2 Component location Figure 3 Circuit diagram Status Indicator RAPs May 2013 14-703A to 14-706A, 712A, 714A, 716A, 718A Xerox® WorkCentre® 5790 Family 2-543...
  • Page 576 Clean the white CVT strips, under the front edges of the document glass and the CVT glass, using a cleaning cloth dampened with film remover, PL 26.10 Item 4. Re-assemble the parts. Status Indicator RAPs May 2013 14-703B to 14-706B, 712B, 714B, 718B 2-544 Xerox® WorkCentre® 5790 Family...
  • Page 577 Repair the wiring or install a new LED scan carriage assembly, PL 14.15 Item Install a new LED scan carriage assembly, PL 14.15 Item Status Indicator RAPs May 2013 14-703B to 14-706B, 712B, 714B, 718B Xerox® WorkCentre® 5790 Family 2-545...
  • Page 578 Figure 2 Circuit diagram Status Indicator RAPs May 2013 14-703B to 14-706B, 712B, 714B, 718B 2-546 Xerox® WorkCentre® 5790 Family...
  • Page 579 Moving parts can cause injury. Switch off the machine, then switch on the machine, 14. The fault is still present. Perform SCP 6 Final Actions. Perform dC132 NVM Initialization, copier NVM initialization. Status Indicator RAPs May 2013 14-710, 14-720 Xerox® WorkCentre® 5790 Family 2-547...
  • Page 580 PWB, PL 3.24 Item NOTE: This fault has been caused on a number of machines by bad routing of the DADH/ power distribution PWB harness PL 3.24 Item Status Indicator RAPs May 2013 14-730, 14A 2-548 Xerox® WorkCentre® 5790 Family...
  • Page 581 If necessary install a new harness, PL 14.25 Item +5V is available at P/J458 pins 1 and 4, also on P/J454 pin 4. Install a new scanner drive PWB, PL 14.25 Item Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-549...
  • Page 582 Document size Document size sensor 2 sensor 1 Q14-320 Q14-315 Input module angle sensor Q14-310 Figure 1 Component location Status Indicator RAPs May 2013 2-550 Xerox® WorkCentre® 5790 Family...
  • Page 583 Figure 2 Circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-551...
  • Page 584 2, Q14-320. The display changes for both sensors. Go to Flag 3. Check the document size sensors 1 and 2, refer to: • GP 11 How to Check a Sensor. Status Indicator RAPs May 2013 2-552 Xerox® WorkCentre® 5790 Family...
  • Page 585 Figure 2 Circuit diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-553...
  • Page 586 Install new components in the following order: Go to Flag 1. Check the lamp ribbon harness between P/J456 • Scanner PWB, PL 14.25 Item J463 for open or short circuits. The lamp ribbon harness is good. Status Indicator RAPs May 2013 2-554 Xerox® WorkCentre® 5790 Family...
  • Page 587 If necessary, install a new scanner, PL 14.20 Item Exposure lamp Fuse Scanner PWB Exposure lamp inverter Figure 1 Exposure lamp, inverter and fuse. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-555...
  • Page 588 Figure 2 Circuit diagram Status Indicator RAPs May 2013 2-556 Xerox® WorkCentre® 5790 Family...
  • Page 589 Administrator. If the customer does not have a System Administrator, they should the machine before continuing. contact the Customer Support Centre or request a Xerox analyst troubleshoot their Go to the relevant procedure: network which will be subject to a charge.
  • Page 590 Escalate the fault to the system Administrator. If the customer does not have a Upgrade the software, 4. The fault persists. System Administrator, they should contact the Customer Support Centre or request a Xerox analyst troubleshoot their network which will be subject to a Perform SCP 6 Final Actions.
  • Page 591 System Administrator. If the customer does not have a (SMB protocol only) That the Share name is correct, referred too as the Volume on the System Administrator, they should contact the Customer Support Centre or request a Xerox configuration report.
  • Page 592 Status Indicator RAPs May 2013 16B, 16C 2-560 Xerox® WorkCentre® 5790 Family...
  • Page 593 If the fault remains, install a new components as necessary: secure. If necessary perform the Ground Distribution RAP. • Memory module, PL 3.24 Item • SBC PWB, PL 3.24 Item Status Indicator RAPs May 2013 19-401, 19-402, 19-403, 19-404 Xerox® WorkCentre® 5790 Family 2-561...
  • Page 594 03-315, 325, 347, 348, 349, 355, 400 Single Board Controller PWB Failure RAP. Procedure Go to the 03-315, 325, 347, 348, 349, 355, 400 Single Board Controller PWB Failure RAP. Status Indicator RAPs May 2013 19-406, 19-407, 19-408 2-562 Xerox® WorkCentre® 5790 Family...
  • Page 595 If the job has mixed originals, make sure that Mixed Size Originals is selected on the UI. • Switch off the machine, then switch on the machine, Procedure Go to the 03-315, 325, 347, 348, 349, 355, 400 Single Board Controller PWB Failure RAP. Status Indicator RAPs May 2013 19-409 Xerox® WorkCentre® 5790 Family 2-563...
  • Page 596 Status Indicator RAPs May 2013 19-409 2-564 Xerox® WorkCentre® 5790 Family...
  • Page 597 Final Actions. Reload the software 4. If the fault remains, install a new embedded fax PWB, 20.10 Item Perform SCP 6 Final Actions. Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 20-302, 20-303, 20-305 Xerox® WorkCentre® 5790 Family 2-565...
  • Page 598 Reload the software, Install new components as necessary: Perform SCP 6 Final Actions. • (W/O X-001) Compact flash memory, PL 20.10 Item • Embedded fax PWB, PL 20.10 Item Status Indicator RAPs May 2013 20-320, 20-322 2-566 Xerox® WorkCentre® 5790 Family...
  • Page 599 If necessary, install a new extended fax PWB, PL 20.10 Item Install new components as necessary: • (W/O X-001) Compact flash memory, PL 20.10 Item • Embedded fax PWB, PL 20.10 Item Status Indicator RAPs May 2013 20-323, 20-324, 20-327 Xerox® WorkCentre® 5790 Family 2-567...
  • Page 600 The telephone line has a fault, inform the customer to have the line checked by the tele- phone company. Install new components in the following order: • Telephone cable, PL 20.10 Item • Embedded fax PWB, PL 20.10 Item Status Indicator RAPs May 2013 20-331, 20-339, 20-341, 20-332, 20-340 2-568 Xerox® WorkCentre® 5790 Family...
  • Page 601 Clear the fax card NVM. Go to dC132 NVM Initialization. Select Embedded Fax NVM initialisa- tion. Perform the routine, Reformat. The fault is cleared. Reload the software, Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 20-342, 20-701 Xerox® WorkCentre® 5790 Family 2-569...
  • Page 602 Perform SCP 6 Final Actions. Install a new compact flash memory, PL 20.10 Item 3. If the fault remains, reload the machine software, Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 20-701A, 20-701B 2-570 Xerox® WorkCentre® 5790 Family...
  • Page 603 Perform the routine, Reformat. The fault still occurs. Perform SCP 6 Final Actions. Install new components as necessary: • Compact flash memory, PL 20.10 Item • Embedded fax PWB, PL 20.10 Item Status Indicator RAPs May 2013 20-710, 20-711, 20-710A, 20-711A Xerox® WorkCentre® 5790 Family 2-571...
  • Page 604 The machine will receive a fax from the remote machine. Go to Unable To Receive A Fax RAP. The fax prints out. Go to the Fax Will Not Print RAP. Status Indicator RAPs May 2013 20-710B, 20-711B, 20A 2-572 Xerox® WorkCentre® 5790 Family...
  • Page 605 The fax is working correctly. Send a three page test fax to a known good fax machine. Print a Protocol Report and check for errors. The dial tone and dialling answer tones are present. Status Indicator RAPs May 2013 20A, 20B Xerox® WorkCentre® 5790 Family 2-573...
  • Page 606 Ask the customer if the exchange is DTMF (Dual Tone Multiple Frequency) or pulse dial- ing. Perform the following: • Ensure that the machine is set for the correct dialing tone. Status Indicator RAPs May 2013 2-574 Xerox® WorkCentre® 5790 Family...
  • Page 607 The Protocol Report shows MCF (Message Confirmation) is not sent by the remote Fax (last page), only DCN (Disconnect). The failure report printed out but the remote fax prints mul- tiple copies of the job or failed page. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-575...
  • Page 608 Protocol Report and check for errors. Reconnect the fax and call the fax number from a independent telephone line and listen for a Fax tone. The machine answers and a fax tone is heard. Status Indicator RAPs May 2013 2-576 Xerox® WorkCentre® 5790 Family...
  • Page 609 NOTE: Software should only be loaded on a working machine. Loading or reloading software onto a machine (or fax card) that has a fault will not work. Status Indicator RAPs May 2013 20E , 20F Xerox® WorkCentre® 5790 Family 2-577...
  • Page 610 The embedded fax PWB to the riser PWB. Switch on the machine, 14. The fault is cleared. Return to the original fault code RAP and perform the remaining actions in the procedure. Perform SCP 6 Final Actions. Status Indicator RAPs May 2013 2-578 Xerox® WorkCentre® 5790 Family...
  • Page 611 If the voltage is more than 1V, this indicates a possible ground connection problem. Refer Ground Distribution RAP. If the machine ground connections are good, request that the customer has the power outlet socket checked. Status Indicator RAPs May 2013 20G, 20H Xerox® WorkCentre® 5790 Family 2-579...
  • Page 612 20-289 T30MaxSpeedL1Rx = 11 (14400) • 20-290 T30MaxSpeedL2Rx = 11 (14400) If problems are still not resolved after these actions, then escalate the problem using the normal escalation process. Status Indicator RAPs May 2013 20H, 20J 2-580 Xerox® WorkCentre® 5790 Family...
  • Page 613 The cause can be because of the ROS corrupting the video data lines. Install a new ROS, PL 6.10 Item Status Indicator RAPs May 2013 22-300 Xerox® WorkCentre® 5790 Family 2-581...
  • Page 614 If the problem persists, the jobs may be beyond the capabilities of the machine. Request the customer select job parameters that are within the capabilities of the machine. Status Indicator RAPs May 2013 22-306 to 22-315, 22-801, 22-814, 22-316, 22-810, 22- 2-582 Xerox® WorkCentre® 5790 Family...
  • Page 615 22-400 The system manager failed to install the network scanning (scan to file) option. The Xerox Standard Accounting (XSA) feature will only be available on a System Terminal (ST) devices. The administrator enables the feature through the machine user Interface or by a Web 22-401 The system manager failed to install the server fax option.
  • Page 616 Switch off the machine, then switch on the machine, Go to Embedded Fax Checkout. Reinstall the embedded fax option. Refer to the system administration guide, CD1 for the installation instructions. Follow the screen prompts. Status Indicator RAPs May 2013 22-404 to 22-406, 22-407 2-584 Xerox® WorkCentre® 5790 Family...
  • Page 617 If the fault persists, reload the software, Repeat for line 2 fax card. Select Confirm removal of selected option. Select Confirm. Select Save. Status Indicator RAPs May 2013 22-410 to 22-416, 22-423, 22-425, 22-428, 22-777, 22- Xerox® WorkCentre® 5790 Family 2-585...
  • Page 618 Select Save Select Exit Tools The machine will reset with the new configuration. When complete the optional fea- ture removed will not appear in the machine user interface screen. Status Indicator RAPs May 2013 22-419, 22-421 2-586 Xerox® WorkCentre® 5790 Family...
  • Page 619 If the fault still occurs the ROS output level may be too high. Go to the RAP 03-395, 396, 852, 853 IOT PWB Fault RAP. Status Indicator RAPs May 2013 22-450, 22-451 Xerox® WorkCentre® 5790 Family 2-587...
  • Page 620 If the fault still occurs the ROS output level may be too low. Go to the RAP 03-395, 396, 852, 853 IOT PWB Fault RAP. 852, 853 IOT PWB Fault RAP. Status Indicator RAPs May 2013 22-452, 22-760 2-588 Xerox® WorkCentre® 5790 Family...
  • Page 621 If the fault still occurs the ROS output level may be too high. Go to the RAP 03-395, 396, 852, 853 IOT PWB Fault RAP. Status Indicator RAPs May 2013 22-761, 22-774 Xerox® WorkCentre® 5790 Family 2-589...
  • Page 622 If the problem persists, the jobs may be beyond the capabilities of the machine. Request the customer select job parameters that are within the capabilities of the machine. Status Indicator RAPs May 2013 22-776, 22-819, 22-831 to 22-837 2-590 Xerox® WorkCentre® 5790 Family...
  • Page 623 Unlatch the xerographic module to separate the developer from the main drives. If bracket is tight against the plastic frame moulding. the source of the noise is the developer assembly, check the developer drive gear, PL 9.15 Item Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-591...
  • Page 624 Remove and clean the drive shafts, bearings and then lubricate. Refer to ADJ 4.1 • Squeaks from the DADH. Machine Lubrication. – Check for parts that are damaged or out of position. Status Indicator RAPs May 2013 2-592 Xerox® WorkCentre® 5790 Family...
  • Page 625 Check that the paper trays are correctly positioned and that the tray moves freely Cooling fan, PL 9.25 Item inside the tray assembly. Ozone fan, PL 9.25 Item – Install new components as necessary, 7.18. Photoreceptor fan assembly, PL 9.25 Item Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-593...
  • Page 626 NOTE: . The bin will move down and then move up to the home position. – Adjust the components if appropriate. Possible causes and potential solutions are: – Install new parts as necessary. • 2 knocks for each stapled set. Status Indicator RAPs May 2013 2-594 Xerox® WorkCentre® 5790 Family...
  • Page 627 11.150. • Enter dC330 code 11-053 SU1 Motor Forward, to move the stapler unit to the rear, – Check that the paper guides are closed and located correctly. 11.140 Item Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-595...
  • Page 628 PWB module/UI har- ness, PL 2.10 Item Go to Flag 4. Check the harness and wiring, 7. Check between PJ103 and PJ81. Refer to the information that follows: Status Indicator RAPs May 2013 OF1, OF2 2-596 Xerox® WorkCentre® 5790 Family...
  • Page 629 UI touch screen, PL 2.10 Item If the fault remains, install a new single board controller PWB, PL 3.24 Item Energy saver button. Figure 2 Circuit Diagram Figure 1 Energy saver button Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-597...
  • Page 630 P25 from the test harness to J25 on the side of the LVPS. Front Door Open RAP circuit diagram. • P16 from the test harness to J16 on the side of the LVPS. Status Indicator RAPs May 2013 2-598 Xerox® WorkCentre® 5790 Family...
  • Page 631 LVPS fan is running) and all stay on. blown by a short in the fuser module. Install new parts: • Fuser Module (35-55 ppm), PL 10.8 Item 1 • Fuser module (65-90 ppm), PL 10.10 Item 1 Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-599...
  • Page 632 4, disconnect an correctly reconnect PJ138. Wait 2 minutes for the LVPS to self recover, then reconnect the power cord and switch on the machine, 14. The machine should now power on correctly. Status Indicator RAPs May 2013 2-600 Xerox® WorkCentre® 5790 Family...
  • Page 633 Figure 2 IOT PWB LED and PJ locations Figure 3 LVPS PJ locations Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-601...
  • Page 634 Go to the following RAPs to identify a status code or message: • OF4a Status Codes in Numerical Order • OF4b Status Messages in Alphabetical Order Status Indicator RAPs May 2013 OF3, OF4 2-602 Xerox® WorkCentre® 5790 Family...
  • Page 635 Please re-enable uration NVM set to disable 02-704, 02-706 available. Power Off then service within 20 seconds switch on machine, this feature before pro- On and Notify System ceeding Administrator Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-603...
  • Page 636 433, 434, 821, 822, pleting - please wait ware upgrade status software upgrade imaged sheets and dis- not been received by the sin- 831, 832 card them gle board controller PWB Status Indicator RAPs May 2013 OF4a 2-604 Xerox® WorkCentre® 5790 Family...
  • Page 637 Fault 03-350 is raised. 351, 03-354 Switch off the machine and call for assistance 03-551 Fax service is unavailable Single board controller-FAX: Perform 03-338 comms error. Fault 03-338 is raised. Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-605...
  • Page 638 03- then switch on the 544 is raised. machine, 03-586 FAX service unavailable The fault 03-401 or 03-403 is Perform 03-401, 03- raised. 403. Perform Status Indicator RAPs May 2013 OF4a 2-606 Xerox® WorkCentre® 5790 Family...
  • Page 639 Remove sheet. Perform after setting feeder sensor after jam 05-350, 05-352 05-523 Open the document Sheet left over DADH registra- Remove sheet. Perform feeder tion sensor after jam 05-340 Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-607...
  • Page 640 07-516 Tray 5 empty, please Tray empty sensor detects no Reload paper. If neces- reload paper sary, perform Status Indicator RAPs May 2013 OF4a 2-608 Xerox® WorkCentre® 5790 Family...
  • Page 641 PL 8.45 Item 2 that the tray is in the Rolls correct position. Per- 07-581 Slide Tray 5 up to Tray 5 is un-docked Perform 07-372 form 07-306, 07-372, or machine 07-373 Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-609...
  • Page 642 Scorotron Clean- 08-106 form 08-106 Please wait ing Failure RAP 08-562 Open tray 2 Sheet near Tray 2 feed sensor Jam clearance. Per- form 08-106 Status Indicator RAPs May 2013 OF4a 2-610 Xerox® WorkCentre® 5790 Family...
  • Page 643 09-587 The Xerographic Module is The system setting does not Install correct xero- not compatible with this match the xerographic module graphic module or machine. type modify setting Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-611...
  • Page 644 107, 10-108, 10-109, compatible with this match the fuser type setting ule or modify settings removed 10-110 machine. Please refer to (service offering) the user guide Status Indicator RAPs May 2013 OF4a 2-612 Xerox® WorkCentre® 5790 Family...
  • Page 645 11-509 Close the Top Left door of HVF Inserter left hand door is Close cover. Perform for 1K LCSS, 11-130- the Finisher. open 11-306-171, 11-309- 171, 11-132-171 for HVF Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-613...
  • Page 646 Staple count low. Please BM staples low Perform 11-063-171, 2K LCSS, 11-140- ensure you have replace- 11-411-171 120, 11-142-120 ment Xerox staple car- for 1K LCSS, 11-140- tridge. 171, 11-142-171 11-543 BM out of staples. Please BM staples empty Perform...
  • Page 647 171, 11-142-171 11-598 Output Trays out of ser- Output trays have reached Cleared when con- for HVF vice. Remove all paper there capacity. firm button pressed from Output Trays. Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-615...
  • Page 648 14. Perform 11-364- RAP for 2K LCSS, 11-364-120 RAP for 1K LCSS, 172-171, 11-180-171, 11-182-171, 11-185- 171 to 11-187-171, 11-371-171 to 11-377- RAP for HVF Status Indicator RAPs May 2013 OF4a 2-616 Xerox® WorkCentre® 5790 Family...
  • Page 649 14. Perform 11-030- 110, 11-334-110, 11- 335-110, 11-336-110 RAP for 2K LCSS, 030-120, 11-334-120, 11-335-120, 11-336- RAP for 1K LCSS, 11-044-171 to 11-047-171 RAP for Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-617...
  • Page 650 11-930 The stacker tray is full Empty the stacker 11-916 HVF staples low Replace the staple tray. If necessary, per- cartridge. Perform form 11-460-171 to 371-171 to 11-377- 11-462-171 Status Indicator RAPs May 2013 OF4a 2-618 Xerox® WorkCentre® 5790 Family...
  • Page 651 11H-171 11-942 Pause To Unload Time-out Timer expiry. Wait for machine Follow the instruc- Warning to pause, then press button on tions. If necessary, pop up screen perform 11H-171 Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-619...
  • Page 652 3 minutes, on the machine, then switch on the 14. Perform 14-110 machine. If fault persists RAP, 14-310 RAP, call for assistance, or press close to use other services Status Indicator RAPs May 2013 OF4a 2-620 Xerox® WorkCentre® 5790 Family...
  • Page 653 Autonet address resolution did Machine restart initi- services are not available. tracker service process has ated unavailable. Please notify not work ated Please notify the machine stopped the machine administrator administrator Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-621...
  • Page 654 Check network connectivity 16-548 Network scanning error. Network controller - scan to file Resubmit job. If prob- Please notify machine job processing error lem persists, Machine administrator restart initiated Status Indicator RAPs May 2013 OF4a 2-622 Xerox® WorkCentre® 5790 Family...
  • Page 655 (failure) configuration of IP, will switch off the machine Please notify machine service has failed machine then switch administrator use stored IPdata then switch on the administrator on the machine, machine, Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-623...
  • Page 656 Network controller connec- The network controller counters Switch off the on the machine, tion is about to be reset document manager process machine then switch has stopped on the machine, Status Indicator RAPs May 2013 OF4a 2-624 Xerox® WorkCentre® 5790 Family...
  • Page 657 High EPC usage. Per- continue shortly. Do not form 19-401, 19-402, 17-514 IP interface error. Please External Accounting Device Contact SA. press the Start button again 19-403 notify system administra- Communication Failure Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-625...
  • Page 658 Max. number of fax jobs in All jobs IDs allocated cannot Cleared when fax job the system has been create any more IDs become available reached. Contact your sys- tem administrator. Status Indicator RAPs May 2013 OF4a 2-626 Xerox® WorkCentre® 5790 Family...
  • Page 659 One or more HFSI item An HFSI item has reached or Reset ‘Actual’ count to not available for held job or cancel job needs attention. exceeded its threshold zero or reset the threshold Status Indicator RAPs May 2013 OF4a Xerox® WorkCentre® 5790 Family 2-627...
  • Page 660 A Fax Service error has 03-589 Extended Fax not detected or Perform occurred. Fax line 2 is confirmed. unavailable. Fax line 1 is still available. Contact your System Administrator. Status Indicator RAPs May 2013 OF4a, OF4b 2-628 Xerox® WorkCentre® 5790 Family...
  • Page 661 RAP for Additional memory required 16-555 Network controller - not enough Add memory to support fax. Please physical memory is configured notify machine administra- on the platform to support lan Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-629...
  • Page 662 Cleared by the single RAP. flow. Set by the system on the board controller PWB, next page after the Bates num- 7 seconds after raised ber reaches the maximum of 999999999 Status Indicator RAPs May 2013 OF4b 2-630 Xerox® WorkCentre® 5790 Family...
  • Page 663 DADH 11-191-171, 11-193- Check settings for the 07-505 Bypass tray size confirmation Attributes confirmed 171, 11-194-171, 11- bypass tray required or tray opened 196-171 Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-631...
  • Page 664 Copying is being prevented 03-558 When the Foreign Interface is Perform 03-412 by the Access Control configured and a connected 3rd device Party accessory is reporting that it is not enabled. Status Indicator RAPs May 2013 OF4b 2-632 Xerox® WorkCentre® 5790 Family...
  • Page 665 TCP / IP port connectivity pro- switch off the machine 120, 11-132-120 machine administrator cess failed then switch on the for 1K LCSS, 11-130- machine, 171, 11-132-171 for HVF Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-633...
  • Page 666 2K LCSS, 11-044-171 Incomplete Network Inter- 16-537 Any scan to distribution service Switch off the to 11-047-171 RAP for face window not available machine then switch on the machine, Status Indicator RAPs May 2013 OF4b 2-634 Xerox® WorkCentre® 5790 Family...
  • Page 667 Internal power supply fail- 09-560 HVPS failure. 09-060 fault Perform 09-060 RAP. ure. Printing is unavailable. If fault persists, call for assistance. Touch Ignore Error to use other services Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-635...
  • Page 668 When correct media is not Provide media to through the document is not available available for held job complete the held job feeder or scan it from the or cancel job document glass Status Indicator RAPs May 2013 OF4b 2-636 Xerox® WorkCentre® 5790 Family...
  • Page 669 323, 20-324 Network scanning commu- 16-545 Network controller - unrecover- Machine restart initi- nication error. Please notify able scan to file communication ated Resubmit job machine administrator error Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-637...
  • Page 670 05-526 DADH - sheet near CVT sensor Reset when DADH 171, 11-132-171 cover in duplex path. 05-352 fault is top cover closed after for HVF raised jam cleared. Perform 05-350, 05-352 Status Indicator RAPs May 2013 OF4b 2-638 Xerox® WorkCentre® 5790 Family...
  • Page 671 10-512 IOT exit sensor paper in IOT Jam clearance. Per- 22-428, 22-777 RAP, exit area at power -on or start form 10-107, 10-108, 22-417 print 10-109, 10-110 Optional service installed 22-553 Service option installed Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-639...
  • Page 672 100 ms cycle communi- 408 to 03-410, 03-418 for 1K LCSS, 11-024- assistance. cation - no response. 03-360 171, 11-026-171, 392-171 to 11-395- 171, 11-396-171 to 11-399-171 RAP for Status Indicator RAPs May 2013 OF4b 2-640 Xerox® WorkCentre® 5790 Family...
  • Page 673 1K LCSS, 11-130- Check paper in Tray 1. tus change does not match the tray 1. Perform 171, 11-132-171 Some image loss may confirmed stock for HVF occur Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-641...
  • Page 674 Please wait, your job will 19-506 Job delayed status High EPC usage. Per- continue shortly. Do not form 19-401, 19-402, press the Start button again 19-403 Status Indicator RAPs May 2013 OF4b 2-642 Xerox® WorkCentre® 5790 Family...
  • Page 675 Ozone life counter reaches end Install new ozone fil- original size and press Start recognize the size of the docu- select size. Perform of life ter, PL 9.25 Item 3 ment Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-643...
  • Page 676 ‘normal job’ or ‘build job’ documents replaced in input tray, if required, or cancel job command is given Status Indicator RAPs May 2013 OF4b 2-644 Xerox® WorkCentre® 5790 Family...
  • Page 677 171 to 11-187-171, Some network services 16-508 Autonet address resolution did Machine restart initi- 11-371-171 to 11-377- unavailable. Please notify not work ated RAP for HVF the machine administrator Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-645...
  • Page 678 Distribution service process ated for HVF Please notify the machine has stopped Stapling feature requires 11-555 Stapling disabled, zero / one Instruct customer administrator two or more pages page Status Indicator RAPs May 2013 OF4b 2-646 Xerox® WorkCentre® 5790 Family...
  • Page 679 Usage is above inter- tridge can staple a maxi- the HVF mediate EPC usage mum of 50 sheets. Please threshold. Perform confirm to close this win- 401, 19-402, 19-403 Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-647...
  • Page 680 Tray 1 is lifting 07-551 Tray 1 is lifting. Perform 07-353 call for assistance Tray 2 is lifting 07-552 Tray 2 is lifting. Perform 07-354 Status Indicator RAPs May 2013 OF4b 2-648 Xerox® WorkCentre® 5790 Family...
  • Page 681 Perform 07-373 Unable to detect card 03-601 Smart Card authentication has Perform 03-412 RAP. Check for obstructions in reader been enabled but no card Tray 5 reader is installed Status Indicator RAPs May 2013 OF4b Xerox® WorkCentre® 5790 Family 2-649...
  • Page 682 Unsupported scanner 03-505 Scanner software no longer Switch off machine detected supported and switch on machine, Check software sta- tus and upgrade where necessary Status Indicator RAPs May 2013 OF4b 2-650 Xerox® WorkCentre® 5790 Family...
  • Page 683 Install new components as necessary: • Single board controller PWB, PL 3.24 Item • Software model, PL 3.24 Item CR12 on the SBC PWB is flashing at a very dim intensity. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-651...
  • Page 684 Switch on the machine, If the fault is still present, install new components as necessary: • Memory module(s), PL 3.24 Item 12 • Software module, PL 3.24 Item 8 Status Indicator RAPs May 2013 2-652 Xerox® WorkCentre® 5790 Family...
  • Page 685 PWB module and blows the air onto the single board controller PWB. Refer to the information that follows: • Single board controller PWB, PL 3.24 Item • Wiring Diagram Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-653...
  • Page 686 Figure 1 IOT PWB LED and switch locations • CR13 - Indicates the presence of 5V. • CR15 - Indicates the presence of 12V. • CR16 - Indicates the presence of 24V. Status Indicator RAPs May 2013 2-654 Xerox® WorkCentre® 5790 Family...
  • Page 687 These spacers are not fitted to any other tray. – Install new components as necessary, 7.15. Status Indicator RAPs May 2013 Xerox® WorkCentre® 5790 Family 2-655...
  • Page 688 Clean the feed roll and retard pad with a damp cloth with water. • Install a new feed roll, REP 8.21 and retard pad, 8.22, PL 7.30 Item Status Indicator RAPs May 2013 OF8, OF9 2-656 Xerox® WorkCentre® 5790 Family...
  • Page 689 Xerographic Module and Corotron Checkout Figure 1 Fuser and CRUM connector • Electrostatic Discharge Checkout • Paper Trays 1 to 5 Checkout • Duplex Transport Assembly Checkout • Output Device Checkout Status Indicator RAPs May 2013 OF9, OF10 Xerox® WorkCentre® 5790 Family 2-657...
  • Page 690 • Check that all the PWB and in-line connections are good; refer to Locations. Status Indicator RAPs May 2013 OF10 2-658 Xerox® WorkCentre® 5790 Family...
  • Page 691 Check that all EPROMs and the NVM are seated correctly and that the connectors are not • HVF. Check the following: damaged. Refer to REP 3.4 Single Board Controller and Power Distribution PWBs. Status Indicator RAPs May 2013 OF10 Xerox® WorkCentre® 5790 Family 2-659...
  • Page 692 If necessary, install new parts: • Waste toner bottle, PL 9.10 Item • Shutter assembly, (35-55 ppm) PL 4.15 Item 11, (65-90 ppm) PL 4.10 Item Status Indicator RAPs May 2013 OF10, OF11 2-660 Xerox® WorkCentre® 5790 Family...
  • Page 693 PL 1.10 Item If the fault remains, go to OF10 Intermittent Failure RAP and refer to the Electrostatic Dis- charge Checkout. Shutter Waste toner bottle seal Figure 1 Component location Status Indicator RAPs May 2013 OF11, OF12 Xerox® WorkCentre® 5790 Family 2-661...
  • Page 694 OF13 Convenience Stapler RAP OF14 Extensible Interface Platform RAP To identify problems with the convenience stapler. Use this RAP when experiencing faults with the Xerox Extensible Interface Platform. Procedure Procedure WARNING WARNING Ensure that the electricity to the machine is switched off while performing tasks that do Ensure that the electricity to the machine is switched off while performing tasks that do not need electricity.
  • Page 695 Check the connection between the Card Reader and the Secure Access Authentication Overview Device. Xerox Secure Access uses an external device, such as a card reader or biometric device, to • Check which LED’s are on or blinking on the Secure Access Authentication Device. If the authorize access to the machine.
  • Page 696 Disconnect the small power cord from the Secure Access Authentication Device. Check • If the UI on the machine is locked and no secondary PIN is required. Check that the Xerox there is +5V at the connector that plugs into the Secure Access Authentication Device. If Secure Access is installed correctly, and ask customer to check the configuration at the there is no +5V, install a new the power supply.

  • Page 697: Table Of Contents

    IQS 3 Fusing ........................3-35 IQS 4 Resolution ......................3-35 IQS 5 Skew ........................3-36 IQS 6 Copy / Print Defects ....................3-37 IQS 7 Registration ......................3-38 IQS 8 Magnification ......................3-39 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 698 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...

  • Page 699: Iq1 Image Quality Entry Rap

    Compare the facsimile print with an internal test pattern print. The facsimile print and the internal print display the same defect. Figure 1 The defect location check Go to Unacceptable Received Facsimile Image Quality RAP. Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 700 Dark marks in the non-image areas of the print. 1, 2 Misregistration The image on the paper is Misregistration. Refer to IQS 7 Registration. Narrow Bands Bands across the process direction visible in halftone areas. 8 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 701 25%, 75%, 0%, 100% repeating (right to left) with a 3 mm white bor- der. Figure Field test pattern. Uniformity areas, Registration, resolution, uniformity, streaks registration marks and resolutions and bands targets. Figure Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 702 Figure 6 Test pattern 9 Figure 4 Test patterns 5, 6 and 7 Figure 7 Test pattern 10 Figure 5 Test pattern 8 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 703 Figure 9 Test pattern 12 Figure 8 Test pattern 11 Figure 10 Test pattern 13 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 704 Figure 13 Test pattern 16 Figure 11 Test pattern 14 Figure 12 Test pattern 15 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 705 Figure 14 Test pattern 17 Figure 15 Test pattern 18 Image Quality May 2013 Xerox® WorkCentre® 5790 Family...

  • Page 706: Iq2 Defects Rap

    Check the connections on the scanner PWB. Install a new scanner PWB, (W/O 150) PL 14.20 Item 1 (W/TAG 150) PL 14.10 Item • Black image. Check the following conditions: Image Quality May 2013 IQ1, IQ2 3-10 Xerox® WorkCentre® 5790 Family...
  • Page 707 Check the following: Install a new xerographic module, (35 ppm) PL 9.22 Item 2 or (40-90 ppm) Contamination of the scorotron. Refer to Xerographic RAP 9.20 Item Image Quality May 2013 Xerox® WorkCentre® 5790 Family 3-11...
  • Page 708 The repeat intervals for a fuser roll defects are at 110mm for all – Check for the paper stalling or catching as it passes under the xerographic drum. speeds. – Check for wear or damage on the transport rolls. Image Quality May 2013 3-12 Xerox® WorkCentre® 5790 Family...
  • Page 709 9.2. TAG 155 IOT PWB, load general release SMP 1,061.131.221.10401 or – ADJ 6.1 ROS Window Cleaning Procedure. higher, available at http://www.support.xerox.com/support/enus.html – ADJ 6.2 ROS Cleaning Procedure. W/TAG 155 IOT PWB, load SPAR version 061.132.221.29100 or higher, avail- –...

  • Page 710: Iq3 Xerographic Rap

    – Toner contamination of the xerographic module stripper fingers and /or star wheels on the stripper finger arms – Broken or missing stripper fingers caused by frequent jam clearances Image Quality May 2013 IQ2, IQ3 3-14 Xerox® WorkCentre® 5790 Family...
  • Page 711 Check that all the connections to the single board controller PWB are good, If the problem continues, decrease the fuser nip pressure (from and rear) by 2 turns. • Check that the ROS securing screw is tight, refer to REP 6.1 ROS. Image Quality May 2013 Xerox® WorkCentre® 5790 Family 3-15...

  • Page 712: Iq4 Fuser Module Rap

    Fuser web. If this is heavily contaminated or shows no sign of advancement, go to Detack corotron Fuser Web Motor RAP. Registration / developer bias Registration and halo guide bias contact. harness connection. Figure 1 Component location Image Quality May 2013 IQ3, IQ4 3-16 Xerox® WorkCentre® 5790 Family...

  • Page 713: Iq5 Print Damage Rap

    If the paper is corrugated after passing through the fuser module, install a new tri-roll shaft assembly, PL 10.12 Item • If the paper is curled after passing through the fuser module, go to Curl Measurement. • Check the inverter for damage or wear, Image Quality May 2013 Xerox® WorkCentre® 5790 Family 3-17...
  • Page 714 Tray 1 Tray 2 Maximum allowable curl for any paper size in any direction: 13mm (0.5inch) Tray 5 Tray 3 Tray 4 Figure 1 Curl height measurement Figure 2 Paper path Image Quality May 2013 3-18 Xerox® WorkCentre® 5790 Family...

  • Page 715: Iq6 Narrow Bands Rap

    If the fault persists after the height of the DADH has been adjusted, install a new DADH baffle assembly, PL 5.30 Item 5. Re-adjust the height of the DADH to the default setting, refer to ADJ 5.2 DADH Height Adjustment. Image Quality May 2013 IQ6, IQ7 Xerox® WorkCentre® 5790 Family 3-19...

  • Page 716: Iq8 Skew Rap

    Install new components as necessary. Using the prints made from dC606, check the prints for distortion by measuring between the lines produced. The lines are parallel to each other. Image Quality May 2013 IQ7, IQ8 3-20 Xerox® WorkCentre® 5790 Family...
  • Page 717 08-150, 08-151 Registration Jam Entry RAP. • Check that the locking foot of the registration transport is correctly located in the base frame, 8.4. Figure 1 Document path through the DADH Image Quality May 2013 Xerox® WorkCentre® 5790 Family 3-21...

  • Page 718: Iq9 Unacceptable Received Facsimile Image Quality Rap

    All received documents have an acceptable image quality. Install a new embedded fax PWB, PL 20.10 Item Perform the following: • (W/O X-001) Go Embedded Fax PWB Voltage Checkout. Image Quality May 2013 IQ8, IQ9 3-22 Xerox® WorkCentre® 5790 Family...

  • Page 719: Iq10 Image Quality Improvement Rap

    Auto. Eliminates the risk of blotches or small areas that have different texture or pat- tern appearance than surrounding area. This may produce a grainier picture than if Special is used. Image Quality May 2013 IQ9, IQ10 Xerox® WorkCentre® 5790 Family 3-23...

  • Page 720: Iq11 Light Copies Rap

    Part 2 is to be performed on machines that have had parts or NVM values changed or when performing part 1 does not satisfy the customer’s requirements. Part 1 Image Quality May 2013 IQ10, IQ11 3-24 Xerox® WorkCentre® 5790 Family...
  • Page 721 Internal Test Patterns 11, and 15, dC606. Compare these copies and prints to Figure Figure Figure 5. The copies fail to meet the specification. The copies are good. Perform Final Actions. Image Quality May 2013 IQ11 Xerox® WorkCentre® 5790 Family 3-25...
  • Page 722 1200 if an increase of 200 is not available. Save the new NVM value and exit diagnostics using the call closeout and the machine 35 ppm 3000/4471 3471 reboot option. 45/55 ppm 1500/3050 2250 65/75/90 ppm 1500/3200 2400 Image Quality May 2013 IQ11 3-26 Xerox® WorkCentre® 5790 Family...
  • Page 723 Record any image quality options selected onto the customer copy, and save in the machine for future reference. REAR Figure 3 Density reference chart 82P520/82E8230 AA Mini Mag Lite FRONT Xerographics module Figure 2 Xerographics module with AA Mini Mag-lite Image Quality May 2013 IQ11 Xerox® WorkCentre® 5790 Family 3-27...
  • Page 724 Bands 1 can be white or light grey These three areas should be grey. They should not be white. Figure 4 Internal test print 15 Figure 5 Internal test print 11 Image Quality May 2013 IQ11 3-28 Xerox® WorkCentre® 5790 Family...

  • Page 725: Iq12 Barber Pole Deletions / Developer Leakage Rap

    PL 9.22 Item 2 or (40-90) PL 9.20 Item 2. Dis- card the remaining developer and install a full developer charge, (65-90 ppm) PL 9.15 Item 27 or (35-55) PL 9.17 Item Image Quality May 2013 IQ12 Xerox® WorkCentre® 5790 Family 3-29...
  • Page 726 Trickle tube Figure 2 Developer trickle tube Figure 1 Example of barber pole deletions Image Quality May 2013 IQ12 3-30 Xerox® WorkCentre® 5790 Family...
  • Page 727 Rear locating Front locating pins pins Locating hole Locating hole Trickle door REAR VIEW Figure 3 Developer trickle door and rear locating holes Figure 4 Developer module locating pins Image Quality May 2013 IQ12 Xerox® WorkCentre® 5790 Family 3-31...

  • Page 728: Iq13 Cockle Deletion Rap

    The effect of the buckling forms a permanent ripple in each sheet of paper which leads poor image transfer. The known causes of paper buckle are: • Worn/damaged components within the duplex transport assembly. Image Quality May 2013 IQ13 3-32 Xerox® WorkCentre® 5790 Family...

  • Page 729: Iqs 1 Solid Area Density

    If the solid area density specification is not met, then go to the Image Quality Entry RAP. Figure 2 Internal test pattern 12 SIR 542.00 82E2000 Figure 1 Test patterns Image Quality May 2013 IQS 1 Xerox® WorkCentre® 5790 Family 3-33...

  • Page 730: Iqs 2 Background

    If the background specification is not met, then go to the Image Quality Entry RAP. Figure 2 Internal test pattern 1 SIR 494.00 82P448 82E2000 Figure 1 Test pattern Image Quality May 2013 IQS 2 3-34 Xerox® WorkCentre® 5790 Family...

  • Page 731: Iqs 3 Fusing

    Do not attempt to fold heavy weight paper, as this breaks the fibres. Rub these area with a finger. Fold the print across these solid areas Figure 1 Test pattern Figure 1 Test pattern Image Quality May 2013 IQS 3, IQS 4 Xerox® WorkCentre® 5790 Family 3-35...

  • Page 732: Iqs 5 Skew

    250mm (10 inches). Use internal test prints 16 or 17 to check printer skew. Corrective Action Refer to Image Quality Entry RAP. Area B Measure from this datum line to the edge of the print. Figure 1 Skew measurement Image Quality May 2013 IQS 5 3-36 Xerox® WorkCentre® 5790 Family...

  • Page 733: Iqs 6 Copy / Print Defects

    Show through Table 3 Skips and smears No show through of the underside of the document handler should be visible when using Xerox Maximum number 80gsm (20lb) or heavier paper as an input document. The check is made with the document...

  • Page 734: Iqs 7 Registration

    NOTE: If a difference between measurements at A and B of a document glass copy are greater than 1.3 mm, refer to IQS 5 Skew. Corrective Action Refer to ADJ 3.1 Registration Setup. Area B Figure 1 Registration measurement Image Quality May 2013 IQS 7 3-38 Xerox® WorkCentre® 5790 Family...

  • Page 735: Iqs 8 Magnification

    Fold the printed images across Zone A to Zone C and from Zone B to Zone D. Lay the folded printed images over the unfolded test pattern. Compare the dimensions, Figure Corrective action Refer to ADJ 3.2 Magnification Adjustment. Figure 1 Magnification check Image Quality May 2013 IQS 8 Xerox® WorkCentre® 5790 Family 3-39...
  • Page 736 Image Quality May 2013 IQS 8 3-40 Xerox® WorkCentre® 5790 Family...
  • Page 737 REP 8.3 Tray 4 Paper Feed Assembly (W/O TAG 151) ..........4-115 REP 5.12 DADH Counterbalance ................... 4-64 REP 8.4 Registration Transport ..................4-116 REP 5.13 Exit Roll Assembly ..................4-65 REP 8.5 Registration Clutch.................... 4-119 Repairs/Adjustments May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 738 REP 11.16-110 Docking Latch Assembly ............... 4-254 REP 8.56 Tray 4 Paper Guide (W/TAG 151) ..............4-185 REP 11.17-110 Ejector Belt .................... 4-255 REP 8.57 Tray 3 Transport Clutch Drive Assembly (W/TAG 151) ........4-186 Repairs/Adjustments May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 739 REP 11.84-171 Inserter Motor ..................4-389 REP 11.33-171 Buffer Pocket Jam Clearance Guide Assembly........4-325 REP 11.85-171 Inserter PWB ..................4-390 REP 11.34-171 Inserter Jam Clearance Guide Assembly ..........4-326 REP 11.86-171 Inserter Clutch ..................4-390 Repairs/Adjustments May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 740 ADJ 11.10-171 Motor Drive Belt Tensioning ..............4-492 ADJ 5.3 DADH Skew Adjustment ................... 4-440 ADJ 11.11-171 Idler Drive Belt Tensioning ..............4-493 ADJ 5.4 DADH Cleaning Procedure ................4-441 ADJ 11.12-171 Tri-Folder Fold Adjustment..............4-494 Repairs/Adjustments May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 741 ADJ 11.13-171 HVF Performance Improvement (W/TAG V-006)........4-496 ADJ 11.14-171 BM Diverter Solenoid Position..............4-501 ADJs 14 - Scanner ADJ 14.1 Optics Cleaning Procedure (W/O TAG 150)............ 4-503 ADJ 14.2 Optics Cleaning Procedure (W/TAG 150) ............4-503 Repairs/Adjustments May 2013 Xerox® WorkCentre® 5790 Family...
  • Page 742 Repairs/Adjustments May 2013 Xerox® WorkCentre® 5790 Family...

  • Page 743: Rep 1.1 Power And Control Assembly

    Remove the rear cover, PL 8.10 Item Remove the waste toner bottle door assembly, 9.1. Figure 2. Disconnect the ground wires from the ground point. Figure 2 Main frame ground point Repairs/Adjustments May 2013 REP 1.1 Xerox® WorkCentre® 5790 Family...
  • Page 744 4. Remove the securing screw from the power and control assembly. Remove screw Remove cable tie. Move the power and control assembly to the left. Figure 4 Power and control assembly Cut cable tie. Figure 3 Cable tie and ground connection Repairs/Adjustments May 2013 REP 1.1 Xerox® WorkCentre® 5790 Family...
  • Page 745 Disconnect all the HT leads on the HVPS PWB Figure 7. Disconnect all of the PJs from the LVPS. Figure 5 HVPS PWB Figure 7 LVPS 11. Remove the power and control assembly. Repairs/Adjustments May 2013 REP 1.1 Xerox® WorkCentre® 5790 Family...
  • Page 746 9. Ensure that the nut on the ground connection is tightened to secure the ground terminals. Figure 9. Use a digital multimeter set to a resistance range. Verify that there is continuity between the ground pin on PJ21 and the frame ground connection. Repairs/Adjustments May 2013 REP 1.1 Xerox® WorkCentre® 5790 Family...

  • Page 747: Rep 1.2 Wiring Harness Repairs

    Hirose DF11 connectors - 1.6. • AMP CT connectors - 1.7. • Molex Mini-Fit Junior connectors - 1.11. Pull out A row. Pull out B row connector. Figure 1 Disassembling the connector. Repairs/Adjustments May 2013 REP 1.2, REP 1.3 Xerox® WorkCentre® 5790 Family...
  • Page 748 3. Insert a male or female terminal into the appropriate position of the crimp tool, then close the tool just enough to hold the terminal. Figure 4 Crimping the insulation grip. Repairs/Adjustments May 2013 REP 1.3 4-10 Xerox® WorkCentre® 5790 Family...

  • Page 749: Rep 1.4 Male Hirose Df1B Connectors

    There are different terminals for large gauge and small gauge wire. Ensure that the correct replacement terminal is used. Select the correct replacement terminal and identify the appropriate crimp positions for the terminal. Repairs/Adjustments May 2013 REP 1.3, REP 1.4 Xerox® WorkCentre® 5790 Family 4-11...
  • Page 750 Close the crimp tool fully to make the crimp; check that the wire is firmly crimped in the terminal. Repairs/Adjustments May 2013 REP 1.4 4-12 Xerox® WorkCentre® 5790 Family...

  • Page 751: Rep 1.5 Amp Ei Connectors

    Loose strands of wire Figure 4 Inspecting the finished crimp. Insert the replacement terminal into the connector housing. Remove terminal from housing. Figure 1 Terminal removal; male housing. Repairs/Adjustments May 2013 REP 1.4, REP 1.5 Xerox® WorkCentre® 5790 Family 4-13...
  • Page 752 Figure 3. Insert the terminal into the appropriate position of the crimp tool and close the tool enough to hold the terminal. Figure 4 Crimping the insulated grip. Repairs/Adjustments May 2013 REP 1.5 4-14 Xerox® WorkCentre® 5790 Family...

  • Page 753: Rep 1.6 Hirose Df11 Connectors

    Cut the damaged terminal off the wire. Replacement Insert the replacement terminal with flying lead into the connector housing. Use a butt connector to connect the flying lead to the original wire. Repairs/Adjustments May 2013 REP 1.5, REP 1.6 Xerox® WorkCentre® 5790 Family 4-15...

  • Page 754: Rep 1.7 Amp Ct Connectors

    Replacement Insert the replacement crimp terminal with flying lead into the connector housing. Use a connector splicing block to connect the flying lead to the original wire. Repairs/Adjustments May 2013 REP 1.7 4-16 Xerox® WorkCentre® 5790 Family...

  • Page 755: Rep 1.8 Door Interlock Switch

    Push to release the switch to remove. catch and simultaneously pull the switch forward. Figure 2 Removing switch Replacement Reverse the removal procedure to replace the door interlock switch. Figure 1 Releasing switch Repairs/Adjustments May 2013 REP 1.8 Xerox® WorkCentre® 5790 Family 4-17...

  • Page 756: Rep 1.9 Lvps And Base Module

    Figure 2 Remove the output device harness and tray 5 harness Replacement CAUTION Do not over tighten the four hex head screws. The screws break very easily. The Replacement procedure is the reverse of the Removal procedure. Repairs/Adjustments May 2013 REP 1.9 4-18 Xerox® WorkCentre® 5790 Family...

  • Page 757: Rep 1.10 Hvps

    Take care during this procedure. Sharp edges may be present that can cause injury. Figure 1 ESD Symbol Remove the rear cover, PL 8.10 Item Remove 2 screws. Disconnect PJ55. Figure 2 Remove the HVPS Repairs/Adjustments May 2013 REP 1.10 Xerox® WorkCentre® 5790 Family 4-19...
  • Page 758 (35-55 ppm only) Ground pin on PJ21. HVPS PWB locating tabs. (65-90 ppm only) Ground pin on PJ21. Figure 3 HVPS insulator and push clips Figure 4 Ground connection check Repairs/Adjustments May 2013 REP 1.10 4-20 Xerox® WorkCentre® 5790 Family...

  • Page 759: Rep 1.11 Molex Mini-Fit Junior Connectors

    Insert the wire fully into the terminal so that the stripped portion is within the inner grip of the terminal. Close the crimp tool fully to make the crimp. Insert prongs fully down the sides of the terminal. Figure 2 Removing the terminal Repairs/Adjustments May 2013 REP 1.11 Xerox® WorkCentre® 5790 Family 4-21...
  • Page 760 Incorrect Loose strands of wire Insulation in crimp Figure 4 Crimping the insulation grip Wire exposed Figure 5 Inspecting the finished crimp Insert the replacement terminal into the connector housing. Repairs/Adjustments May 2013 REP 1.11 4-22 Xerox® WorkCentre® 5790 Family...

  • Page 761: Rep 2.1 User Interface Assembly

    The replacement is the reverse of the removal procedure. Refer to GP 6 before the screws are installed. If prompted, reload the software set, 4. The software will automatically upgrade or downgrade when the machine is switched on, Repairs/Adjustments May 2013 REP 2.1 Xerox® WorkCentre® 5790 Family 4-23...

  • Page 762: Rep 2.2 User Interface Touch Screen Pwb

    Carefully release the UI control panel PWB from the screen clamp. Replacement The replacement is the reverse of the removal procedure. Refer to GP 6 before the screws are installed. Repairs/Adjustments May 2013 REP 2.2 4-24 Xerox® WorkCentre® 5790 Family...

  • Page 763: Rep 2.3 User Interface Control Pwb

    The cable clamps are very fragile and only need to be moved slightly to release the ribbon cables. cables. Figure 2 UI control PWB removal Replacement The replacement is the reverse of the removal procedure. Refer to GP 6 before the screws are installed. Repairs/Adjustments May 2013 REP 2.3 Xerox® WorkCentre® 5790 Family 4-25...

  • Page 764: Rep 2.4 User Interface Touch Screen

    The replacement is the reverse of the removal procedure. Refer to GP 6 before the screws are installed. When replacing the ribbon cables, the blue flash should face away from the UI control PWB. Repairs/Adjustments May 2013 REP 2.4 4-26 Xerox® WorkCentre® 5790 Family...

  • Page 765: Rep 3.1 Iot Pwb

    ‘Service Info’ screen, select the serial number box and enter the machine serial number as it appears on the front frame of the machine. Figure 3 IOT PWB ground contact screw If necessary, perform a NVM restore, Repairs/Adjustments May 2013 REP 3.1 Xerox® WorkCentre® 5790 Family 4-27...

  • Page 766: Rep 3.2 Hard Disk Drive

    Remove the hard disk drive, Figure 2 Figure Remove the hard disk drive Remove two Disconnect PJ999 Disconnect the and mounting bracket. screws data cable Figure 2 Hard disk drive removal Repairs/Adjustments May 2013 REP 3.2 4-28 Xerox® WorkCentre® 5790 Family...

  • Page 767: Rep 3.3 Software Module

    REP 11.13-110 2K LCSS Un-Docking. Replacement • REP 11.13-171 HVF/HVF BM Un-Docking. Replacement is the reverse of the removal procedure. Remove the software module, Figure Perform an Altboot, Repairs/Adjustments May 2013 REP 3.2, REP 3.3 Xerox® WorkCentre® 5790 Family 4-29...
  • Page 768 Select Yes to continue. When the restore is complete, close the NVM save and restore tool. The UI should now display ‘Ready to scan’. Switch off, then switch on the machine, Repairs/Adjustments May 2013 REP 3.3 4-30 Xerox® WorkCentre® 5790 Family...

  • Page 769: Rep 3.4 Single Board Controller And Power Distribution Pwbs

    Disconnect the PJs from the relevant PWBs: • Single board controller PWB, PL 3.24 Item • Riser PWB, PL 3.22 Item Remove the embedded fax module, riser PWB or single board controller PWB, Figure Repairs/Adjustments May 2013 REP 3.4 Xerox® WorkCentre® 5790 Family 4-31...
  • Page 770 NOTE: The other 2 spacers are removed after the SBC PWB has been removed. Remove 12 screws then the Single Board Controller PWB. Remove 4 screws Figure 2 Single board controller PWB module Repairs/Adjustments May 2013 REP 3.4 4-32 Xerox® WorkCentre® 5790 Family...
  • Page 771 Ensure the first memory module is installed in PJ203 on the single board controller PWB. Refer to Figure Install the software module, 3.3. Connect the power cord and switch on the machine, Reload the software, GP 4 Machine Software. Repairs/Adjustments May 2013 REP 3.4 Xerox® WorkCentre® 5790 Family 4-33...
  • Page 772 Repairs/Adjustments May 2013 REP 3.4 4-34 Xerox® WorkCentre® 5790 Family...

  • Page 773: Rep 4.1 Main Drive Module (35-55 Ppm)

    Pull the developer module out approximately 100mm (4 inches). Remove the rear cover, PL 8.10 Item Remove the waste toner bottle door assembly, 9.1. 10. Remove the ozone filter and duct, PL 9.25 Item Repairs/Adjustments May 2013 REP 4.1 Xerox® WorkCentre® 5790 Family 4-35...
  • Page 774 Disconnect PJ25. Disconnect PJ18. Move Power supply to Disconnect HT the rear. lead C and G. Figure 2 Power supply Disconnect PJ35. Disconnect PJ1. Figure 3 Power and control assembly Repairs/Adjustments May 2013 REP 4.1 4-36 Xerox® WorkCentre® 5790 Family...
  • Page 775 15. Unclip the wiring harness from the retaining clip and move the harness away from the Remove harness drives module, Figure from the retaining clip. Figure 5 Harness and door switch Repairs/Adjustments May 2013 REP 4.1 Xerox® WorkCentre® 5790 Family 4-37...
  • Page 776 If a new main drives module is installed, check that the drive speed is correct. The 35 ppm modules have black drive gears, Figure 8. The 40-55 ppm modules have white drive gears, Figure Repairs/Adjustments May 2013 REP 4.1 4-38 Xerox® WorkCentre® 5790 Family...
  • Page 777 If a new drives module or developer drive gear is installed, reset the developer count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 4.1 Xerox® WorkCentre® 5790 Family 4-39...

  • Page 778: Rep 4.2 Main Drive Pwb (35-55 Ppm)

    Remove 6 black screws marked A. Figure 2 Main drive PWB Replacement Replacement is the reverse of the removal procedure. Remove 3 short screws. Remove the flywheel. Figure 1 Remove the flywheel Repairs/Adjustments May 2013 REP 4.2 4-40 Xerox® WorkCentre® 5790 Family...

  • Page 779: Rep 4.3 Main Drive Belt, Drive Gears And Idlers (35-55 Ppm)

    Figure 2 Main drive belt 40-55 ppm Remove the drive belt. Slip the drive belt over Remove the circlip and the pulley on the belt intermediate drive gear. tensioner. Figure 1 Main drive belt 35 ppm Repairs/Adjustments May 2013 REP 4.3 Xerox® WorkCentre® 5790 Family 4-41...

  • Page 780: Rep 4.4 Photoreceptor Drive Gear

    If a new developer drive gear is installed, reset the developer count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Figure 1 Photoreceptor drive gear Repairs/Adjustments May 2013 REP 4.3, REP 4.4 4-42 Xerox® WorkCentre® 5790 Family...

  • Page 781: Rep 4.5 Main Drive Module (65-90 Ppm)

    Drop down short paper path assembly, PL 10.25 Item Remove the xerographic module, PL 9.20 Item 2, and place in a black bag. Remove left hand cover, PL 8.10 Item Repairs/Adjustments May 2013 REP 4.4, REP 4.5 Xerox® WorkCentre® 5790 Family 4-43...
  • Page 782 Pull the developer module out approximately 100mm (4 inches). Remove the rear cover, PL 8.10 Item Remove the waste toner bottle door assembly, 9.1. 10. Remove the ozone filter and duct, PL 9.25 Item Repairs/Adjustments May 2013 REP 4.5 4-44 Xerox® WorkCentre® 5790 Family...
  • Page 783 13. Remove the main frame ground wire, refer to the Ground Distribution RAP. 14. Remove the waste toner full sensor, 9.4. Remove harness from the retaining clip. Figure 4 Harness and door switch Repairs/Adjustments May 2013 REP 4.5 Xerox® WorkCentre® 5790 Family 4-45...
  • Page 784 Disconnect PJ147, marked A. PJ148 and PJ149. Figure 5 Main drive module 18. Slide the assembly off the location dowels. Support the short paper path. Figure 6 Short paper path assembly Repairs/Adjustments May 2013 REP 4.5 4-46 Xerox® WorkCentre® 5790 Family...

  • Page 785: Rep 4.6 Main Drive Pwb (65-90 Ppm)

    If a new drives module or developer drive gear is installed, reset the developer count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Figure 1 Disconnect the PJs Repairs/Adjustments May 2013 REP 4.5, REP 4.6 Xerox® WorkCentre® 5790 Family 4-47...
  • Page 786 The belt tensioners are of the floating type, and are spring loaded. They should not be locked down. Ensure that the drives bracket is located in the tabs on the drives plate, Figure 4. Then secure the main drive PWB to the drives plate. Repairs/Adjustments May 2013 REP 4.6 4-48 Xerox® WorkCentre® 5790 Family...

  • Page 787: Rep 4.7 Main Drive Belts, Drive Gears And Idlers (65-90 Ppm)

    Before installing the main drive module turn the drive gears by hand to position the drive • Intermediate drive gear belts correctly on the drive gears. • Idler Repairs/Adjustments May 2013 REP 4.6, REP 4.7 Xerox® WorkCentre® 5790 Family 4-49...
  • Page 788 Refer to GP 17 High Frequency service Items. Remove the circlip and registration drive pulley. Remove the idlers. Remove the drive belt 1. Figure 3 Remove drive belt 1 Repairs/Adjustments May 2013 REP 4.7 4-50 Xerox® WorkCentre® 5790 Family...

  • Page 789: Rep 5.1 Top Cover Assembly

    Be careful when the self tapping screw is installed into a plastic component, refer to The replacement is the reverse of the removal procedure. Make sure the latch pins are installed correctly, refer to Figure Repairs/Adjustments May 2013 REP 5.1 Xerox® WorkCentre® 5790 Family 4-51...

  • Page 790: Rep 5.2 Top Access Cover Assembly

    Remove the screw and access cover the bracket. assembly. CVT idler roll torsion spring Disconnect PJ191 and Figure 2 Torsion springs the ground harness. Figure 1 Top access cover assembly Repairs/Adjustments May 2013 REP 5.2 4-52 Xerox® WorkCentre® 5790 Family...

  • Page 791: Rep 5.3 Feed Assembly

    Figure 1 Feed assembly Replacement CAUTION Be careful when the self tapping screw is installed into a plastic component, refer to The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 5.3 Xerox® WorkCentre® 5790 Family 4-53...

  • Page 792: Rep 5.4 Input Tray Assembly

    Be careful when the self tapping screw is installed into a plastic component, refer to The replacement is the reverse of the removal procedure. Perform the feed motor and the CVT motor, belt tension adjustment, 5.1. Repairs/Adjustments May 2013 REP 5.4 4-54 Xerox® WorkCentre® 5790 Family...

  • Page 793: Rep 5.5 Baffle Assembly

    Carefully remove the left hand lower cover approximately end of the document pad from the 40mm (1.5 inches) away baffle assembly. from the document pad. Figure 1 Preparation Figure 2 Lower cover Repairs/Adjustments May 2013 REP 5.5 Xerox® WorkCentre® 5790 Family 4-55...
  • Page 794 Remove the baffle assembly. Feed the harness and ground harness through the frame. Solenoid link arm. Figure 3 Baffle assembly Torsion springs. Route the harness. Figure 4 Torsion springs and harness Repairs/Adjustments May 2013 REP 5.5 4-56 Xerox® WorkCentre® 5790 Family...

  • Page 795: Rep 5.6 Takeaway Roll Assembly

    Remove the takeaway roll assembly. Figure 1 Takeaway roll assembly Replacement The replacement is the reverse of the removal procedure. Make sure the spacers and E-clips are installed correctly, refer to Figure Repairs/Adjustments May 2013 REP 5.6 Xerox® WorkCentre® 5790 Family 4-57...

  • Page 796: Rep 5.7 Duplex Solenoid

    Figure 2 Drives assembly Disconnect PJ203 and PJ204. Release the harnesses. Figure 1 Drives assembly NOTE: To release the tension on the drive belts, refer to 5.1. Repairs/Adjustments May 2013 REP 5.7 4-58 Xerox® WorkCentre® 5790 Family...

  • Page 797: Rep 5.8 Takeaway And Cvt Sensor

    The replacement is the reverse of the removal procedure. Make sure that the wiring is not caught below the drive assembly. Perform the DADH motor adjustment, 5.1. Figure 1 Takeaway and CVT sensors Repairs/Adjustments May 2013 REP 5.7, REP 5.8 Xerox® WorkCentre® 5790 Family 4-59...

  • Page 798: Rep 5.9 Length Detect Sensors

    CVT idler roll torsion spring Figure 2 Torsion springs Length sensor 2. Disconnect the correct PJ. Remove Length sensor 1. the correct sensor. Figure 1 Length detect sensors Repairs/Adjustments May 2013 REP 5.8, REP 5.9 4-60 Xerox® WorkCentre® 5790 Family...

  • Page 799: Rep 5.10 Registration Sensor

    Figure Disconnect PJ192. Remove the registration sensor Remove the sensor assembly. Remove 2 screws. Remove the pre-scan Carefully release the idler roll. torsion spring. Figure 1 Registration sensor Repairs/Adjustments May 2013 REP 5.9, REP 5.10 Xerox® WorkCentre® 5790 Family 4-61...

  • Page 800: Rep 5.11 Exit Sensor

    Raise the DADH. CAUTION Be careful to prevent damage to the document pad when the document pad is removed from the baffle assembly. Torsion spring. Figure 2 Torsion spring Repairs/Adjustments May 2013 REP 5.10, REP 5.11 4-62 Xerox® WorkCentre® 5790 Family...
  • Page 801 Figure 2 Exit sensor Figure 1 Preparation Replacement CAUTION Take care when installing self tapping screw into plastic components, refer to The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 5.11 Xerox® WorkCentre® 5790 Family 4-63...

  • Page 802: Rep 5.12 Dadh Counterbalance

    Remove the relevant counterbalance, right, PL 5.10 Item 2 (4 screws) or left, PL 5.10 Item (4 screws). The right counterbalance ground tag. The left counterbalance ground tag. Figure 1 Ground tags Repairs/Adjustments May 2013 REP 5.12 4-64 Xerox® WorkCentre® 5790 Family...

  • Page 803: Rep 5.13 Exit Roll Assembly

    Lower cover (left), PL 5.35 Item Remove the exit roll assembly, Figure Black spacers. E-clip. Ground harness. See CAUTION. Remove the exit roll assembly. Figure 1 Exit roll assembly Repairs/Adjustments May 2013 REP 5.13 Xerox® WorkCentre® 5790 Family 4-65...

  • Page 804: Rep 5.14 Feed Roll Assembly

    If a new feed roll assembly is installed, reset the DADH feed count to zero in the HFSI fea- ture screen. Refer to GP 17 High Frequency Service Items. Repairs/Adjustments May 2013 REP 5.14 4-66 Xerox® WorkCentre® 5790 Family...

  • Page 805: Rep 5.15 Duplex Gate, Cvt Roll And Cvt Motor, Drive Belt

    DADH structure is weak. Do not lower the DADH in this configuration Carefully install the DADH frame on the machine. Secure the DADH with the 2 thumb- screws. Repairs/Adjustments May 2013 REP 5.14, REP 5.15 Xerox® WorkCentre® 5790 Family 4-67...
  • Page 806 Compress the two ends of the bearing together. Remove the CVT roll. Remove the CVT motor drive Push the bearing to disengage. belt. Figure 2 Bearing Figure 3 CVT roll Repairs/Adjustments May 2013 REP 5.15 4-68 Xerox® WorkCentre® 5790 Family...

  • Page 807: Rep 5.16 Document Width Sensor

    (35 ppm) Input tray assembly lower cover, PL 5.35 Item • (40-90 ppm) Lower cover (right), PL 5.35 Item 9 and Lower cover (left), PL 5.35 Item Figure 4 Replacement Repairs/Adjustments May 2013 REP 5.15, REP 5.16 Xerox® WorkCentre® 5790 Family 4-69...

  • Page 808: Rep 5.17 Input Tray Static Eliminator

    Be careful when the self tapping screw is installed into a plastic component, refer to The replacement is the reverse of the removal procedure. Make sure the document width sensor arm is attached correctly, refer to Figure Figure 1 Static eliminators Repairs/Adjustments May 2013 REP 5.16, REP 5.17 4-70 Xerox® WorkCentre® 5790 Family...

  • Page 809: Rep 5.18 Exit Roll Idler

    Release the link arm. Remove the lift bar and link arm. Raise one end of the exit roll idler shaft, then release the lift bar. Figure 1 Preparation Repairs/Adjustments May 2013 REP 5.17, REP 5.18 Xerox® WorkCentre® 5790 Family 4-71...
  • Page 810 Torsion spring. Lift out the exit roll idlers. Document finger. Carefully remove the torsion spring and the document finger. Figure 3 Torsion spring and document finger Figure 2 Exit roll idlers Repairs/Adjustments May 2013 REP 5.18 4-72 Xerox® WorkCentre® 5790 Family...

  • Page 811: Rep 5.19 Dadh Removal

    Reset the DADH feed count to zero in the HFSI feature screen. Refer to GP 17 High Frequency Service Items. DADH height adjustment, 5.2. DADH registration adjustment, 5.5. DADH skew adjustment, 5.3. Repairs/Adjustments May 2013 REP 5.19 Xerox® WorkCentre® 5790 Family 4-73...

  • Page 812: Rep 5.20 Mylar Guide Strip

    Bias the corner of the mylar guide with the edge of the baffle assembly. Position the centre of the mylar guide over the cen- tre rib. Figure 1 Mylar guide Repairs/Adjustments May 2013 REP 5.20 4-74 Xerox® WorkCentre® 5790 Family...

  • Page 813: Rep 6.1 Ros

    Take care not to damage the wiring at the rear of the ROS. Disconnect the harnesses at the ROS, then remove the ROS. Figure 3 ROS removal Repairs/Adjustments May 2013 REP 6.1 Xerox® WorkCentre® 5790 Family 4-75...
  • Page 814 4. Ensure that the harness is routed correctly. Label (Underneath). Harness routing. Figure 4 ROS harness routing Go to dC604 Registration Setup, check/adjust the registration. Perform ADJ 9.2 Image Quality Adjustment Routine. Repairs/Adjustments May 2013 REP 6.1 4-76 Xerox® WorkCentre® 5790 Family...

  • Page 815: Rep 7.1 Tray 1 And Tray 2 Removal

    Tray stop Tray stop Pull out the tray. Release the right side of the tray, then the left. Lift the front of tray. Figure 1 Tray 1 and tray 2 removal Repairs/Adjustments May 2013 REP 7.1 Xerox® WorkCentre® 5790 Family 4-77...

  • Page 816: Rep 7.2 Tray 3 And Tray 4 Removal (W/O Tag 151)

    NOTE: If tray 4 needs to be removed then remove tray 3 first. base of the HCF, Figure NOTE: If only tray 3 is to be removed then do not remove the left hand stop. Repairs/Adjustments May 2013 REP 7.2 4-78 Xerox® WorkCentre® 5790 Family...

  • Page 817: Rep 7.3 Tray 3 And Tray 4 Elevator Motor (W/O Tag 151)

    Disconnect PJ395 or PJ397 elevator motor harness from the HCF control PWB, Disconnect the harness from the low paper sensor on the elevator motor. Tray 3 rail location. Figure 3 Location of the tray rails Repairs/Adjustments May 2013 REP 7.2, REP 7.3 Xerox® WorkCentre® 5790 Family 4-79...

  • Page 818: Rep 7.4 Tray 3 And Tray 4 Elevator Cables (W/O Tag 151)

    Low paper sensor. Remove the E-clip. Figure 1 Elevator motor removal Replacement Figure 1 Front elevator cables release The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 7.3, REP 7.4 4-80 Xerox® WorkCentre® 5790 Family...
  • Page 819 Remove the cables through Remove the E-clip. dog and end cap. the base of the tray. Figure 3 Tray 3 rear cable removal Figure 2 Front elevator cables removal Repairs/Adjustments May 2013 REP 7.4 Xerox® WorkCentre® 5790 Family 4-81...

  • Page 820: Rep 7.5 Bypass Tray And Left Hand Door Assembly

    Tread the short cable over the outer groove on the pulley. Tray 4 rear cable. • Thread the medium length cable over the outer groove on the pulleys. Repairs/Adjustments May 2013 REP 7.4, REP 7.5 4-82 Xerox® WorkCentre® 5790 Family...

  • Page 821: Rep 7.6 Tray 1 And Tray 2 Paper Guides

    Connect PJ636 and PJ36 before installing the bypass tray and the left door assembly, refer to Figure Make sure that the bypass tray and left door assembly is correctly aligned before inserting the hinge pin. Perform the dC604 Registration Setup. Repairs/Adjustments May 2013 REP 7.5, REP 7.6 Xerox® WorkCentre® 5790 Family 4-83...

  • Page 822: Rep 7.7 Tray 3 And Tray 4 Stack Height Sensor (W/O Tag 151)

    Press down on the two Position the paper guide tabs and slide the paper over the cut outs. guide into position. Figure 3 Paper length guide location Repairs/Adjustments May 2013 REP 7.6, REP 7.7 4-84 Xerox® WorkCentre® 5790 Family...

  • Page 823: Rep 7.8 Tray 3 And Tray 4 Stack Limiter (W/O Tag 151)

    Slide the bracket to the front Remove the stack limiter and remove. from the bracket. Replacement The replacement is the reverse of the removal procedure. Figure 1 Tray 3 Limiter and bracket Repairs/Adjustments May 2013 REP 7.7, REP 7.8 Xerox® WorkCentre® 5790 Family 4-85...

  • Page 824: Rep 7.9 Tray 3 And Tray 4 Home Switch (W/O Tag 151)

    Figure 2 Tray 4 stack limiter and bracket Remove the Replacement screw. The replacement is the reverse of the removal procedure. Lift and remove the holder. Figure 1 Switch and holder removal Repairs/Adjustments May 2013 REP 7.8, REP 7.9 4-86 Xerox® WorkCentre® 5790 Family...

  • Page 825: Rep 7.10 Hcf Control Pwb (W/O Tag 151)

    Ensure that the tabs on the switch holder locate correctly in the holes in the base, Figure The tab on the switch holder must locate in the hole in the base of the machine Figure 3 Switch holder location Repairs/Adjustments May 2013 REP 7.9, REP 7.10 Xerox® WorkCentre® 5790 Family 4-87...

  • Page 826: Rep 7.11 Tray 3 And Tray 4 Elevator Damper And Gears (W/O Tag 151)

    Replacement is the reverse of the removal procedure. After completing the replacement procedure, perform dC604 Registration Setup. Lift and remove the damper. Remove the screw. Figure 1 Tray 3 damper removal Repairs/Adjustments May 2013 REP 7.10, REP 7.11 4-88 Xerox® WorkCentre® 5790 Family...
  • Page 827 Ensure the gears are correctly aligned, Figure Figure 2 Tray 4 damper removal Align the two gears as shown and then push the gears onto the shaft. Figure 4 Gears installation Repairs/Adjustments May 2013 REP 7.11 Xerox® WorkCentre® 5790 Family 4-89...

  • Page 828: Rep 7.12 Tray 1 And Tray 2 Paper Size Cams

    GP 6 before refitting the screws. Leaf spring for tray 1. Leaf spring for tray 2. Remove the screw and leaf spring for the relevant tray. Figure 1 Leaf springs removal Repairs/Adjustments May 2013 REP 7.12 4-90 Xerox® WorkCentre® 5790 Family...

  • Page 829: Rep 7.13 Tray 5 Empty Sensor

    Make sure that the spring on the paper feed assembly is in the correct position, Figure Lift the upper plate. Disconnect the harness. Remove eight screws marked A. Figure 1 Preparation Place the spring under the post. Figure 3 Feed assembly spring Repairs/Adjustments May 2013 REP 7.13 Xerox® WorkCentre® 5790 Family 4-91...

  • Page 830: Rep 7.14 Tray 5 Stack Height Sensor

    Figure 1 Preparation Position the spring on the top of the chute upper insert. Figure 5 Upper insert chute spring Check that the harness routing is correct, refer to Figure Repairs/Adjustments May 2013 REP 7.13, REP 7.14 4-92 Xerox® WorkCentre® 5790 Family...

  • Page 831: Rep 7.15 Tray 5 Down Sensor

    Remove the sensor. Disconnect the harness. Figure 1 Sensor removal Replacement The replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Repairs/Adjustments May 2013 REP 7.14, REP 7.15 Xerox® WorkCentre® 5790 Family 4-93...

  • Page 832: Rep 7.16 Tray 5 Elevator Motor Assembly

    When the motor is installed, remove the paper supporting the paper tray. Slide the motor off Disconnect the motor Remove the Release the cable connections. the shaft. KL clip. tie on the motor. Figure 1 Motor assembly removal Repairs/Adjustments May 2013 REP 7.16 4-94 Xerox® WorkCentre® 5790 Family...

  • Page 833: Rep 7.17 Tray 5 Upper Limit Switch

    Figure 4 Location of the harness Check the registration, refer to dC604. Figure 1 Upper limit switch removal Replacement The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 7.16, REP 7.17 Xerox® WorkCentre® 5790 Family 4-95...

  • Page 834: Rep 7.18 Tray 5 Down Limit Switch

    Check that the wires are not trapped when refitting the tray lift top cover. Remove three screws. Remove the tray lift top cover. Figure 1 Paper tray release Repairs/Adjustments May 2013 REP 7.18 4-96 Xerox® WorkCentre® 5790 Family...

  • Page 835: Rep 7.19 Un-Docking And Docking Tray 5

    Figure 2 Tray 5 un-docking Lift the lever and move it to the front. Figure 1 Transit lock engage Pull the tray 5 module away from the machine until the transit lock engages. Repairs/Adjustments May 2013 REP 7.19 Xerox® WorkCentre® 5790 Family 4-97...
  • Page 836 Push the module to dock and lock the tray 5 module to the machine. Figure 4 Transit lock release Figure 3 Tray 5 module docking Perform ADJ 7.3 Machine to Tray 5 Alignment. Repairs/Adjustments May 2013 REP 7.19 4-98 Xerox® WorkCentre® 5790 Family...

  • Page 837: Rep 7.20 Tray 1 And Tray 2 Lift Gear Assembly

    Slide the raised arm to the rear of the tray. Remove the gear assembly, quadrant and the bush Remove Remove the behind the quadrant. the pin. 2 screws. Quadrant Figure 1 Lift gear removal Repairs/Adjustments May 2013 REP 7.20 Xerox® WorkCentre® 5790 Family 4-99...

  • Page 838: Rep 7.21 Tray 5 Elevator Rack Assembly

    PL 7.60 Item Remove the top cover PL 7.60 Item 10, front cover PL 7.60 Item 8 and rear cover PL 7.60 Item Remove the tray 5 elevator motor assembly, 7.16. Repairs/Adjustments May 2013 REP 7.21 4-100 Xerox® WorkCentre® 5790 Family...
  • Page 839 The replacement is the reverse of the removal procedure. Refer to Figure 4 when Installing the front elevator rack. Lower the tray Press down firmly onto the base of the tray 5 module Figure 5 Tray alignment check Repairs/Adjustments May 2013 REP 7.21 Xerox® WorkCentre® 5790 Family 4-101...

  • Page 840: Rep 7.22 Tray 3 And Tray 4 Removal (W/Tag 151)

    NOTE: If only tray 3 is to be removed then do not remove the left hand stop. NOTE: If tray 4 needs to be removed then remove tray 3 first. Repairs/Adjustments May 2013 REP 7.21, REP 7.22 4-102 Xerox® WorkCentre® 5790 Family...
  • Page 841 NOTE: When installing tray 3 or tray 4 ensure that the tray rails are located correctly in the base of the HCF, Figure Figure 3 Location of the tray rails Repairs/Adjustments May 2013 REP 7.22 Xerox® WorkCentre® 5790 Family 4-103...

  • Page 842: Rep 7.23 Tray 3 And Tray 4 Elevator Motor (W/Tag 151)

    Remove the tray 3 elevator motor Remove the screw Disconnect P/J13 Disconnect the sensor harness Figure 1 Elevator motor removal Replacement The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 7.23 4-104 Xerox® WorkCentre® 5790 Family...

  • Page 843: Rep 7.24 Tray 3 And Tray 4 Elevator Cables (W/Tag 151)

    Remove E clip the base of the tray and keeper plate Figure 2 Front elevator cables removal Figure 1 Front elevator cables release Release the appropriate paper tray guide, refer to 7.5. Repairs/Adjustments May 2013 REP 7.24 Xerox® WorkCentre® 5790 Family 4-105...
  • Page 844 Figure 3 Tray 3 rear cable removal Tray 3 front cables. Thread the short cable over the inner groove on the pulley. Thread the long cable over the outer groove on the pulley. Repairs/Adjustments May 2013 REP 7.24 4-106 Xerox® WorkCentre® 5790 Family...

  • Page 845: Rep 7.25 Tray 3 And Tray 4 Stack Height Sensor (W/Tag 151)

    Take care during this procedure. Sharp edges may be present that can cause injury. Remove the required paper feed assembly: • Tray 3 paper feed assembly, 8.40. • Tray 4 paper feed assembly, 8.41. Repairs/Adjustments May 2013 REP 7.24, REP 7.25 Xerox® WorkCentre® 5790 Family 4-107...

  • Page 846: Rep 7.26 Tray 3 And Tray 4 Home Sensor (W/Tag 151)

    Figure 1 Tray home switch and holder Figure 1 Stack height sensor removal Replacement The replacement is the reverse of the removal procedure. Install a new sensor shim to lock the sensor in place. Repairs/Adjustments May 2013 REP 7.25, REP 7.26 4-108 Xerox® WorkCentre® 5790 Family...

  • Page 847: Rep 7.27 Hcf Control Pwb (W/Tag 151)

    Figure 2 HCF control PWB removal Replacement Replacement is the reverse of the removal procedure. Figure 3 Holder location After completing the replacement procedure, perform dC604 Registration Setup. Repairs/Adjustments May 2013 REP 7.26, REP 7.27 Xerox® WorkCentre® 5790 Family 4-109...

  • Page 848: Rep 7.28 Tray 3 And Tray 4 Elevate Damper Assembly (W/Tag 151)

    The replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Remove two screws Figure 1 Tray 3 damper removal Repairs/Adjustments May 2013 REP 7.28 4-110 Xerox® WorkCentre® 5790 Family...

  • Page 849: Rep 7.29 Tray 5 Elevator Tray Guides

    Release the harness from the 5 retainers Pass the terminals one at a time through the frame hole and guide Figure 3 Harness removal Remove the elevator tray guides, Figure Repairs/Adjustments May 2013 REP 7.29 Xerox® WorkCentre® 5790 Family 4-111...
  • Page 850 Position the infill plate Compress the spring into the cavity and in the tray assembly retain the spring using a thumb or finger Figure 5 Rear guide assembly install Repairs/Adjustments May 2013 REP 7.29 4-112 Xerox® WorkCentre® 5790 Family...

  • Page 851: Rep 8.1 Tray 1 And Tray 2 Paper Feed Assembly

    If new feed rolls are installed reset tray 1 or tray 2 feeds count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 8.1, REP 8.2 Xerox® WorkCentre® 5790 Family 4-113...
  • Page 852 If a new feed roll assembly is installed, reset the tray 3 feed count to zero in the HFSI fea- ture screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 8.2 4-114 Xerox® WorkCentre® 5790 Family...

  • Page 853: Rep 8.3 Tray 4 Paper Feed Assembly (W/O Tag 151)

    Disconnect 2 PJs. cable from PJ391. assembly to the left and remove. Figure 2 Tray 4 feed assembly Remove the Remove 2 screws. mounting bracket. Figure 1 Mounting bracket removal Repairs/Adjustments May 2013 REP 8.3 Xerox® WorkCentre® 5790 Family 4-115...

  • Page 854: Rep 8.4 Registration Transport

    If a new feed roll assembly is installed, reset the tray 4 feeds count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 8.3, REP 8.4 4-116 Xerox® WorkCentre® 5790 Family...
  • Page 855 Ground wire. through the front of the machine. unlock the transport from the base. Figure 2 Transport removal Remove 2 screws and the retainer bracket. Disconnect the harness. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.4 Xerox® WorkCentre® 5790 Family 4-117...
  • Page 856 Figure Lift the cover and slide off the shaft. Release the clip. Transport foot Shaft Figure 3 Remove the cover Location hole in the base Figure 4 Transport foot location Repairs/Adjustments May 2013 REP 8.4 4-118 Xerox® WorkCentre® 5790 Family...

  • Page 857: Rep 8.5 Registration Clutch

    If a new bias contact is installed, reset the Bias Foam count to zero in the HFSI feature Release the harness screen. Refer to GP 17 High Frequency service Items. from the baffle. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.4, REP 8.5 Xerox® WorkCentre® 5790 Family 4-119...
  • Page 858 Locate the clutch onto the key of the frame. Clutch drive plate Clutch body Remove the E-clip. Remove E-clip on the gear. Figure 3 Clutch location Figure 2 Registration clutch removal Repairs/Adjustments May 2013 REP 8.5 4-120 Xerox® WorkCentre® 5790 Family...

  • Page 859: Rep 8.6 Registration Sensor And Wait Sensor (35-55Ppm)

    After completing the replacement procedure, perform the dC604 Registration Setup. screw to the duplex transport. Go to Ground Distribution RAP. Check the grounding of the duplex transport. Repairs/Adjustments May 2013 REP 8.6, REP 8.7 Xerox® WorkCentre® 5790 Family 4-121...

  • Page 860: Rep 8.8 Duplex Motor And Drive Belts

    Remove the E-clip. Remove the motor. Remove 2 screws. Figure 2 Duplex transport location Figure 1 Motor and belts removal Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.7, REP 8.8 4-122 Xerox® WorkCentre® 5790 Family...

  • Page 861: Rep 8.9 Bypass Tray Feed Solenoid

    Figure Remove the spring (top first). Disconnect the harness. Remove 2 screws. Remove the solenoid. Figure 1 Solenoid removal Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.9, REP 8.10 Xerox® WorkCentre® 5790 Family 4-123...

  • Page 862: Rep 8.11 Tray 3 And Tray 4 Transport Drive Gear (W/O Tag 151)

    Figure 1 Transport motor removal Replacement Replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. After completing the replacement procedure, perform the dC604 Registration Setup. Repairs/Adjustments May 2013 REP 8.10, REP 8.11 4-124 Xerox® WorkCentre® 5790 Family...
  • Page 863 Figure 2 Drive belt installation Remove 2 screws. Remove the bracket with the drive gear and the drive belt. Figure 1 Motor bracket removal Repairs/Adjustments May 2013 REP 8.11 Xerox® WorkCentre® 5790 Family 4-125...

  • Page 864: Rep 8.12 Tray 1 And Tray 2 Transport Drive Belt

    Figure 1 Drive belt removal Replacement Reverse the removal procedure to replace the transport drives belt. After completing the replacement procedure, perform the dC604 Registration Setup. Repairs/Adjustments May 2013 REP 8.11, REP 8.12 4-126 Xerox® WorkCentre® 5790 Family...

  • Page 865: Rep 8.13 Tray 3 Transport Assembly (W/O Tag 151)

    Replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. CAUTION Take care to avoid damage to the tray 3 feed sensor flag at the rear of the tray, PL 7.15 Item Repairs/Adjustments May 2013 REP 8.13 Xerox® WorkCentre® 5790 Family 4-127...

  • Page 866: Rep 8.14 Tray 3 Feed Sensor Actuator (W/O Tag 151)

    Replacement is the reverse of the removal procedure. Figure 1 Registration nip removal CAUTION Take care when locating the actuator spring, it can be easily deformed or broken Repairs/Adjustments May 2013 REP 8.14, REP 8.15 4-128 Xerox® WorkCentre® 5790 Family...
  • Page 867 Remove the sensor from the support bracket, Figure Loosen screws. Disconnect the harness. Remove the sensor from the support bracket. Remove the sensor and support bracket. Figure 2 Sensor and bracket removal Figure 3 Sensor removal Repairs/Adjustments May 2013 REP 8.15 Xerox® WorkCentre® 5790 Family 4-129...
  • Page 868 Tighten two screws. Position the mylar guide above the machine frame. Figure 5 Mylar guide position After completing the replacement procedure, perform the dC604 Registration Setup. Figure 4 Support bracket position Repairs/Adjustments May 2013 REP 8.15 4-130 Xerox® WorkCentre® 5790 Family...

  • Page 869: Rep 8.16 Tray 1 And Tray 2 Transport Rolls And Bearings

    If a new transport roll is installed, reset the Tray 1 or Tray 2 trans count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. After completing the replacement procedure, perform the dC604 Registration Setup. Repairs/Adjustments May 2013 REP 8.16 Xerox® WorkCentre® 5790 Family 4-131...

  • Page 870: Rep 8.17 Wait Sensor (65-90Ppm)

    Remove the left hand door, 7.5. Prepare to remove the door cover, Figure Remove the cover from the left hand door assembly. Figure 2 Door cover removal Remove 3 screws. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.17 4-132 Xerox® WorkCentre® 5790 Family...
  • Page 871 Replacement Replacement is the reverse of the removal procedure. Ensure that the cover is located correctly on the left hand door assembly, Figure Wait sensor Figure 3 Wait sensor location Repairs/Adjustments May 2013 REP 8.17 Xerox® WorkCentre® 5790 Family 4-133...

  • Page 872: Rep 8.18 Tray 1 And Tray 2 Transport Roll Drives Motor

    Figure 5 Cover location After completing the replacement procedure, perform the dC604 Registration Setup. Remove 2 screws Remove screw Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.17, REP 8.18 4-134 Xerox® WorkCentre® 5790 Family...

  • Page 873: Rep 8.19 Bypass Tray Feed Head

    Figure 2 Motor removal remove the spring. Replacement Replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Figure 1 Feed solenoid spring removal Repairs/Adjustments May 2013 REP 8.18, REP 8.19 Xerox® WorkCentre® 5790 Family 4-135...
  • Page 874 PJ from the tray empty sensor. Use a small screw driver to Release the release the cover. ribbon cable from the retainers. Figure 2 Feed head cover removal Figure 3 Ribbon cable release Repairs/Adjustments May 2013 REP 8.19 4-136 Xerox® WorkCentre® 5790 Family...
  • Page 875 Refer to Figure Manually rotate the drive gear until the tab on the drive gear is engaged with the armature on the bypass tray feed solenoid. Repairs/Adjustments May 2013 REP 8.19 Xerox® WorkCentre® 5790 Family 4-137...

  • Page 876: Rep 8.20 Bypass Tray Drive Gear

    Position of the tab on the drive gear. Position of the nip rolls. Figure 2 Component alignment Lift the tab to remove the gear. Figure 1 Drive gear removal Repairs/Adjustments May 2013 REP 8.20 4-138 Xerox® WorkCentre® 5790 Family...

  • Page 877: Rep 8.21 Bypass Tray Feed Roll

    Refer to GP 17 High Frequency service Items. Slide the shaft out of the front bearing. Lift the shaft and remove the feed roll. Figure 1 Remove the feed roll Repairs/Adjustments May 2013 REP 8.21 Xerox® WorkCentre® 5790 Family 4-139...

  • Page 878: Rep 8.22 Bypass Tray Retard Pad

    If a new retard pad is installed, reset the Bypass feeds count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Move the pad to the rear and allow the pad to spring up. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.22 4-140 Xerox® WorkCentre® 5790 Family...

  • Page 879: Rep 8.23 Bypass Tray Empty Sensor

    Push down on the lugs Disconnect the harness. to release the sensor. Remove three screws. Figure 1 Tray empty sensor Replacement Replacement is the reverse of the removal procedure. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.23, REP 8.24 Xerox® WorkCentre® 5790 Family 4-141...
  • Page 880 Wait sensor harness Tray 1 feed sensor. Tray 2 feed sensor. (65-90 ppm). Figure 3 Feed sensor locations Figure 2 Remove the cover Repairs/Adjustments May 2013 REP 8.24 4-142 Xerox® WorkCentre® 5790 Family...
  • Page 881 Remove 1 screw, then the sensor. Disconnect the harness. Figure 4 Remove the feed sensor The lug on the cover must locate in the door aperture. Figure 5 Cover location Repairs/Adjustments May 2013 REP 8.24 Xerox® WorkCentre® 5790 Family 4-143...

  • Page 882: Rep 8.25 Tray 5 Feed Sensor

    Make sure that the spring on the paper feed assembly is in the correct position, Figure Lift the bracket housing. Disconnect the harness. Remove eight screws marked A. Place the spring under the post. Figure 1 Preparation Figure 3 Spring position Repairs/Adjustments May 2013 REP 8.25 4-144 Xerox® WorkCentre® 5790 Family...

  • Page 883: Rep 8.26 Registration Drive Roll Assembly

    Figure 5 Upper insert chute spring Check that the correct screw is used to attach the bracket housing. Check that the harness routing is correct, Figure Repairs/Adjustments May 2013 REP 8.25, REP 8.26 Xerox® WorkCentre® 5790 Family 4-145...
  • Page 884 Ensure that the ground strap is located between the frame and the bearing. Figure Remove the E-clip and bearing. Remove the E-clip, spring washer and bearing. Bearing Ground strap Figure 3 Preparation Figure 5 Ground strap location Repairs/Adjustments May 2013 REP 8.26 4-146 Xerox® WorkCentre® 5790 Family...

  • Page 885: Rep 8.27 Registration Transport Drive Belt

    Figure 1 Drive belt removal Replacement Replacement is the reverse of the removal procedure. Disconnect the harness. Figure 1 Sensor removal Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.27, REP 8.28 Xerox® WorkCentre® 5790 Family 4-147...

  • Page 886: Rep 8.29 Tray 3 Takeaway Roll Assembly (W/O Tag151)

    Remove tray 3 transport assembly, 8.13. Remove the jam clearance door, Figure Lift the jam clearance door. Push the tab to release the door hinge, then remove the door. Figure 1 Door removal Repairs/Adjustments May 2013 REP 8.29 4-148 Xerox® WorkCentre® 5790 Family...
  • Page 887 Remove the takeaway shaft. Remove the E-clip. Remove the drive gear and belt. Figure 2 Preparation Remove the E-clip. Remove the E-clip. Figure 3 Takeaway shaft removal Repairs/Adjustments May 2013 REP 8.29 Xerox® WorkCentre® 5790 Family 4-149...

  • Page 888: Rep 8.30 Tray 3 Transport Roll Assembly (W/O Tag 151)

    Remove tray 3 transport assembly, 8.13. Move the tabs to remove the idler rolls and shaft. Figure 4 Idler roll and shaft removal Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.29, REP 8.30 4-150 Xerox® WorkCentre® 5790 Family...
  • Page 889 Remove the belt and drive pulley. Lift the jam clearance door. Figure 2 Preparation Push the tab to release the door hinge, then remove the door. Figure 1 Door and coupling removal Repairs/Adjustments May 2013 REP 8.30 Xerox® WorkCentre® 5790 Family 4-151...

  • Page 890: Rep 8.31 Tray 3 And Tray 4 Transport Roll (W/O Tag 151)

    Remove the E-clip. Figure 3 Transport roll removal Replacement Replacement is the reverse of the removal procedure. Figure 1 Ground plate removal Remove tray 3, 7.2. Repairs/Adjustments May 2013 REP 8.30, REP 8.31 4-152 Xerox® WorkCentre® 5790 Family...
  • Page 891 Slide the shaft to the front until it is released the front bearing. bearings. from the rear bearing, then remove. Figure 3 Remove the transport roll Figure 2 Idler shaft removal Repairs/Adjustments May 2013 REP 8.31 Xerox® WorkCentre® 5790 Family 4-153...

  • Page 892: Rep 8.32 Duplex Sensor

    If a new tray 3 and tray 4 transport roll is installed, reset the tray 3 / 4 trans count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 8.31, REP 8.32 4-154 Xerox® WorkCentre® 5790 Family...
  • Page 893 (65-90 ppm). Check that the tension spring is located correctly on the upper transport guide. Install the duct on the duplex transport. Check that the sensor wires pass through the cut-out in the duct and are not caught under the duct. Figure Repairs/Adjustments May 2013 REP 8.32 Xerox® WorkCentre® 5790 Family 4-155...

  • Page 894: Rep 8.33 Tray 5 Transport Drive Belt

    Allow the tension idler to tension the belt and then tighten the screw, Figure sioner fully upward, tighten the screw. Remove two screws. Release the motor assembly from the drive belt. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.33 4-156 Xerox® WorkCentre® 5790 Family...

  • Page 895: Rep 8.34 Tray 5 Feed Rolls

    If a new nudger, feed and retard roll are installed, reset the tray 5 feeds count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 8.34 Xerox® WorkCentre® 5790 Family 4-157...

  • Page 896: Rep 8.35 Tray 1 And Tray 2 Feed Rolls

    Lift the tab and remove Lift the tab and Lift the tab and remove the retard roll. remove the feed roll. the nudger roll. Figure 1 Feed rolls removal Repairs/Adjustments May 2013 REP 8.35 4-158 Xerox® WorkCentre® 5790 Family...

  • Page 897: Rep 8.36 Tray 5 Feed Motor

    Figure 1 Feed motor removal Figure 1 Drives plate removal Replacement The replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Repairs/Adjustments May 2013 REP 8.36, REP 8.37 Xerox® WorkCentre® 5790 Family 4-159...

  • Page 898: Rep 8.38 Tray 5 Takeaway Roller

    The replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Ensure that the ground wire terminal is located under the motor securing screw, Figure Remove four screws. Figure 1 Preparation Repairs/Adjustments May 2013 REP 8.37, REP 8.38 4-160 Xerox® WorkCentre® 5790 Family...
  • Page 899 Check that the cable routing is correct, Figure 1 Remove the E-clip and bearing. Remove the E-clip and bearing. Remove the one way pulley clutch. Remove the E-clip. Figure 3 Components removal Repairs/Adjustments May 2013 REP 8.38 Xerox® WorkCentre® 5790 Family 4-161...

  • Page 900: Rep 8.39 Tray 1 And Tray 2 Retard Roll Friction Clutch

    Remove the retard roll, 8.35. Remove the clutch coupling, PL 8.26 Item Remove the friction clutch, PL 8.26 Item Replacement The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.39, REP 8.40 4-162 Xerox® WorkCentre® 5790 Family...
  • Page 901 Support bracket Disconnect PJ1, PJ4, PJ10 and the connector on the tray 3 home sensor Figure 2 Support bracket Install the paper feed assembly, Figure Figure 1 Feed assembly removal Repairs/Adjustments May 2013 REP 8.40 Xerox® WorkCentre® 5790 Family 4-163...

  • Page 902: Rep 8.41 Tray 4 Paper Feed Assembly (W/Tag 151)

    If a new paper feed assembly has been installed, reset the tray 3 feeds count to zero in Figure 1 Feed assembly removal the HFSI feature screen. Refer to GP 17 High Frequency Service Items. Repairs/Adjustments May 2013 REP 8.40, REP 8.41 4-164 Xerox® WorkCentre® 5790 Family...
  • Page 903 If a new paper feed assembly has been installed, reset the tray 4 feeds count to zero in Remove the tray 3 paper guide, 8.55. the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 8.41 Xerox® WorkCentre® 5790 Family 4-165...

  • Page 904: Rep 8.42 Hcf Transport Motor (W/Tag 151)

    Remove the motor Figure 1 Transport motor removal Replacement Replacement is the reverse of the removal procedure. Ensure the at the ground wire is installed between the motor and the frame. Repairs/Adjustments May 2013 REP 8.42 4-166 Xerox® WorkCentre® 5790 Family...

  • Page 905: Rep 8.43 Tray 3 Transport Gear Pulley (W/Tag 151)

    The remainder of the replacement is the reverse of the removal procedure. Slide the gear pulley Remove the gear pulley and belt off the shaft from the belt loop Figure 1 Transport gear removal Repairs/Adjustments May 2013 REP 8.43 Xerox® WorkCentre® 5790 Family 4-167...

  • Page 906: Rep 8.44 Tray 3 Transport Assembly (W/Tag 151)

    Replacement is the reverse of the removal procedure. Install a new sensor shim to lock the The remainder of the replacement is the reverse of the removal procedure. Refer to GP 6 sensor in place. before refitting the screws. Repairs/Adjustments May 2013 REP 8.44, REP 8.45 4-168 Xerox® WorkCentre® 5790 Family...

  • Page 907: Rep 8.46 Tray 3 Takeaway Roll Assembly (W/Tag151)

    Unclip the outer coupling half Figure 1 jam clearance door removal Remove the Press the tabs and Remove the E-clip. push the bearing out. drive coupling Figure 2 Takeaway roll removal Repairs/Adjustments May 2013 REP 8.46 Xerox® WorkCentre® 5790 Family 4-169...

  • Page 908: Rep 8.47 Tray 3 And Tray 4 Transport Roll (W/Tag 151)

    Pull back the spring arm, then lift out the idler roll the idler shaft Figure 4 Idler rolls removal Figure 1 Idler shaft removal Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.46, REP 8.47 4-170 Xerox® WorkCentre® 5790 Family...
  • Page 909 Remove the KL-clip and front bearing. Figure 2 Preparation Transport roll Remove the KL-clip. Slide the bearing Remove the out of the frame. gear. Remove the KL-clip. Figure 3 Transport roll removal Repairs/Adjustments May 2013 REP 8.47 Xerox® WorkCentre® 5790 Family 4-171...

  • Page 910: Rep 8.48 Tray 3 Stack Height Sensor (W/Tag 151)

    Disconnect the harness. Figure 1 Sensor removal Replacement Replacement is the reverse of the removal procedure. Install a new sensor shim to lock the sensor in place. Repairs/Adjustments May 2013 REP 8.47, REP 8.48 4-172 Xerox® WorkCentre® 5790 Family...

  • Page 911: Rep 8.49 Tray 3 Empty Sensor (W/Tag 151)

    Disconnect the wiring Figure 2 Sensor removal Replacement Replacement is the reverse of the removal procedure. Push the tab to release the sensor mounting Figure 1 Sensor mounting release Repairs/Adjustments May 2013 REP 8.49 Xerox® WorkCentre® 5790 Family 4-173...

  • Page 912: Rep 8.50 Tray 3 Feed Sensor (W/Tag 151)

    Pull the tabs apart to release the sensor. Figure 2 Sensor removal Replacement Replacement is the reverse of the removal procedure. Push the tab to release the sensor mounting Figure 1 Sensor mounting release Repairs/Adjustments May 2013 REP 8.50 4-174 Xerox® WorkCentre® 5790 Family...

  • Page 913: Rep 8.51 Tray 4 Stack Height Sensor (W/Tag 151)

    Figure 1 Sensor removal Figure 1 Sensor mounting release Replacement Replacement is the reverse of the removal procedure. Install a new sensor shim to lock the sensor in place. Repairs/Adjustments May 2013 REP 8.51, REP 8.52 Xerox® WorkCentre® 5790 Family 4-175...

  • Page 914: Rep 8.53 Tray 4 Feed Sensor (W/Tag 151)

    Figure 2 Sensor removal Replacement Replacement is the reverse of the removal procedure. Push the tab to release the sensor mounting Figure 1 Sensor mounting release Repairs/Adjustments May 2013 REP 8.52, REP 8.53 4-176 Xerox® WorkCentre® 5790 Family...

  • Page 915: Rep 8.54 Tray 3 And Tray 4 Feed Assembly Feed Rolls (W/Tag 151)

    Turn the paper feed assembly upside down and place on a flat work surface. Disconnect Pull the tabs apart to the harness. release the sensor. Figure 2 Sensor removal Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.53, REP 8.54 Xerox® WorkCentre® 5790 Family 4-177...
  • Page 916 Remove the screw Remove 2 bearings Remove the gear Remove the KL-clip Figure 2 Rear fixings Disconnect he harness Remove the motor and bracket Figure 1 Motor and bracket removal Repairs/Adjustments May 2013 REP 8.54 4-178 Xerox® WorkCentre® 5790 Family...
  • Page 917 Remove the lower frame disengage from the holes Remove 2 screws Use a small flat bladed screwdriver to separate the frames Figure 3 Front fixings Figure 4 Frame separation Repairs/Adjustments May 2013 REP 8.54 Xerox® WorkCentre® 5790 Family 4-179...
  • Page 918 Press the fixing to release the cover Remove the KL-clip and slide the bearing out of the frame Figure 5 Cover removal Figure 6 Nudger and feed roll removal Repairs/Adjustments May 2013 REP 8.54 4-180 Xerox® WorkCentre® 5790 Family...
  • Page 919 Check that the number of weights on the new nudger roll and feed roll assembly is the same as on the old assembly, if necessary correct the number of weights, refer to 8.4. Repairs/Adjustments May 2013 REP 8.54 Xerox® WorkCentre® 5790 Family 4-181...
  • Page 920 Align and secure the frame halves, Figure Figure 9 Nudger and feed roll install Fasten the plastic cover into position ensuring that the wiring is not trapped, refer to Fig- Repairs/Adjustments May 2013 REP 8.54 4-182 Xerox® WorkCentre® 5790 Family...

  • Page 921: Rep 8.55 Tray 3 Paper Guide (W/Tag 151)

    Figure 11 Final assembly Install the remainder of the removed components. Install the feeder assembly into the machine. Check the feeding performance of the HCF. Repairs/Adjustments May 2013 REP 8.54, REP 8.55 Xerox® WorkCentre® 5790 Family 4-183...
  • Page 922 Figure 1 Paper guide removal Figure 2 Paper guide replacement The remainder of the replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 8.55 4-184 Xerox® WorkCentre® 5790 Family...

  • Page 923: Rep 8.56 Tray 4 Paper Guide (W/Tag 151)

    Short Short Remove the screw Loosen the screw by about 3 turns to allow the frame to spring open Figure 1 Paper guide removal Repairs/Adjustments May 2013 REP 8.56 Xerox® WorkCentre® 5790 Family 4-185...

  • Page 924: Rep 8.57 Tray 3 Transport Clutch Drive Assembly (W/Tag 151)

    NOTE: The E-clip is very small, use a small magnetised screwdriver to position the E-clip whilst pressing the clutch drive against the spring to expose the groove in the shaft. Repairs/Adjustments May 2013 REP 8.56, REP 8.57 4-186 Xerox® WorkCentre® 5790 Family...

  • Page 925: Rep 9.1 Waste Toner Bottle Assembly

    Depress the retaining clip on the hinge block. Remove the waste toner door Figure 1 Waste toner door Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 9.1 Xerox® WorkCentre® 5790 Family 4-187...

  • Page 926: Rep 9.2 Developer Assembly

    Image Quality Adjustment Routine. If a new developer assembly is installed, reset the Developer count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 9.2 4-188 Xerox® WorkCentre® 5790 Family...

  • Page 927: Rep 9.3 Ozone Fan

    PWB. Drive pin Remove 3 screws Remove 3 screws Remove the collar Remove the drive and the fly wheel gear Figure 1 Remove the ozone fan Repairs/Adjustments May 2013 REP 9.2, REP 9.3 Xerox® WorkCentre® 5790 Family 4-189...

  • Page 928: Rep 9.4 Waste Toner Full Sensor

    Take care during this procedure. Sharp edges may be present that can cause injury. Remove the rear cover, PL 8.10 Item Remove the waste toner bottle, PL 9.10 Item Remove the waste toner full sensor, Figure Repairs/Adjustments May 2013 REP 9.3, REP 9.4 4-190 Xerox® WorkCentre® 5790 Family...

  • Page 929: Rep 9.5 Toner Dispense Module

    Figure 1 Waste toner full sensor Replacement Figure 1 Disconnect the harness Replacement is the reverse of the removal procedure. Remove the securing screws from the toner dispense module, Figure Repairs/Adjustments May 2013 REP 9.4, REP 9.5 Xerox® WorkCentre® 5790 Family 4-191...
  • Page 930 Run the routine until the monitored voltage is between 2.2V and 2.8V at PJ93 pin 8. Check the density and image quality. Repeat the procedure if the copies are still light. Repairs/Adjustments May 2013 REP 9.5 4-192 Xerox® WorkCentre® 5790 Family...

  • Page 931: Rep 9.6 Xerographic Module Latch

    ROS to the side, Figure Remove the pivot plate Support the developer paddle Remove the screw Spring Figure 2 Remove the pivot plate Figure 1 Position the ROS Repairs/Adjustments May 2013 REP 9.6 Xerox® WorkCentre® 5790 Family 4-193...
  • Page 932 When reinstalling the developer paddle into the pivot plate, check that the spring is correctly located on the tie bar and on the feature on the developer paddle, Figure Figure 4 Latch alignment Repairs/Adjustments May 2013 REP 9.6 4-194 Xerox® WorkCentre® 5790 Family...

  • Page 933: Rep 9.7 Developer Paddle

    Figure 1 Transfer / detack harness Figure 1 Developer paddle Replacement Replacement Replacement is the reverse of the removal procedure. Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 9.7, REP 9.8 Xerox® WorkCentre® 5790 Family 4-195...

  • Page 934: Rep 9.9 Erase Lamp

    2), locate in the holes in the frame, Figure Pull out the erase lamp support Location holes Figure 1 Erase lamp support Remove the erase lamp, Figure Erase lamp connector Figure 3 Location holes Repairs/Adjustments May 2013 REP 9.9 4-196 Xerox® WorkCentre® 5790 Family...

  • Page 935: Rep 9.10 Auger Damper

    Remove the waste toner full sensor up to step 3, 9.4. Vacuum clean the auger system Figure 1 Auger system at the front Remove the waste toner bottle assembly, 9.1. Repairs/Adjustments May 2013 REP 9.10 Xerox® WorkCentre® 5790 Family 4-197...
  • Page 936 Remove the auger damper, Figure Disconnect PJ97 Pull out the auger damper Figure 4 Remove the auger damper Remove the shutter assembly and bracket Remove 4 screws Figure 3 Remove shutter assembly Repairs/Adjustments May 2013 REP 9.10 4-198 Xerox® WorkCentre® 5790 Family...
  • Page 937 Figure 6 Shutter and bracket position stops at the end of the auger tube. Figure 5 Installing the insert Ensure that the shutter assembly is positioned correctly on the support bracket. Repairs/Adjustments May 2013 REP 9.10 Xerox® WorkCentre® 5790 Family 4-199...
  • Page 938 Repairs/Adjustments May 2013 REP 9.10 4-200 Xerox® WorkCentre® 5790 Family...

  • Page 939: Rep 10.1 Short Paper Path Assembly

    PL 8.10 Item Prepare the power and control module, Figure Move the module Disconnect the transfer to the rear and detack leads Figure 1 Prepare the power and control module Repairs/Adjustments May 2013 REP 10.1 Xerox® WorkCentre® 5790 Family 4-201...
  • Page 940 To ensure that the transport hinge is located correctly, first install the left hand screw, with the ground wire, then the right hand screw. Repairs/Adjustments May 2013 REP 10.1 4-202 Xerox® WorkCentre® 5790 Family...

  • Page 941: Rep 10.2 Inverter Assembly

    PL 10.25 Item Remove 2 screws Figure 1 Inverter support Repairs/Adjustments May 2013 REP 10.1, REP 10.2 Xerox® WorkCentre® 5790 Family 4-203...
  • Page 942 Figure 2 Adjuster and retaining ring Disconnect the harness on Remove 4 screws inverter motor driver PWB marked A Figure 3 Tie bar Repairs/Adjustments May 2013 REP 10.2 4-204 Xerox® WorkCentre® 5790 Family...
  • Page 943 (W/TAG 046, W/ TAG 047 out of the base are clear, before turning the inverter assembly and W/TAG 148 machines only) Figure 4 Move the inverter to the front Figure 5 Remove inverter assembly Repairs/Adjustments May 2013 REP 10.2 Xerox® WorkCentre® 5790 Family 4-205...
  • Page 944 PL 10.13 Item 3 and upper baffle, PL 10.12 Item 14 connector linked correctly. When latch 3d/4d is released, the two baffles must lift together. Figure 6 Solenoid harness connector Repairs/Adjustments May 2013 REP 10.2 4-206 Xerox® WorkCentre® 5790 Family...

  • Page 945: Rep 10.3 Inverter Motor

    (W/TAG 046, W/TAG 047 W/TAG 148). Perform ADJ 10.1 Inverter Decurler Adjust- ment. Figure 1 Inverter motor Replacement Replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 10.2, REP 10.3 Xerox® WorkCentre® 5790 Family 4-207...

  • Page 946: Rep 10.4 Inverter Path Solenoid

    Check that the solenoid harness connector is located at the rear of the inverter frame as screws. Figure Make sure that the link arm is connected to the solenoid armature. Manually operate the solenoid armature and check that the inverter gate operates correctly. Repairs/Adjustments May 2013 REP 10.4, REP 10.5 4-208 Xerox® WorkCentre® 5790 Family...

  • Page 947: Rep 10.6 Nip Roll Guide

    Replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Remove 4 screws Remove tie bar Disconnect harness from inverter motor driver PWB Figure 1 Remove tie bar Repairs/Adjustments May 2013 REP 10.6 Xerox® WorkCentre® 5790 Family 4-209...

  • Page 948: Rep 10.7 Upper Baffle Assembly

    Figure 3 Inverter path solenoid Harness Solenoid harness connector Remove the shaft and the baffle Lift the upper baffle to vertical position Remove 2 E-clips Figure 1 Upper baffle assembly Repairs/Adjustments May 2013 REP 10.6, REP 10.7 4-210 Xerox® WorkCentre® 5790 Family...

  • Page 949: Rep 10.8 Nip Split Shaft Assembly

    Remove the rear cover, PL 8.10 Item Remove the tie bar, Figure Remove 4 screws Remove the tie bar Disconnect harness on inverter motor driver PWB Figure 1 Tie bar Repairs/Adjustments May 2013 REP 10.7, REP 10.8 Xerox® WorkCentre® 5790 Family 4-211...
  • Page 950 If a nip slit shaft assembly is installed, reset the nip split shaft count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Figure 2 Nip split shaft assembly Repairs/Adjustments May 2013 REP 10.8 4-212 Xerox® WorkCentre® 5790 Family...

  • Page 951: Rep 10.9 Shaft Actuator

    Remove the inverter nip solenoid, 10.5. Remove the shaft actuator, Figure Spring position Figure 2 Location of the spring Unclip both springs Remove the shaft actuator Figure 1 Shaft actuator Repairs/Adjustments May 2013 REP 10.9 Xerox® WorkCentre® 5790 Family 4-213...

  • Page 952: Rep 10.10 Fuser Latch

    REP 6.1 and move the ROS to the side, Figure Remove latch and stop Remove Fuser spring latch Remove latch Figure 2 Remove the fuser latch Figure 1 Move the ROS Repairs/Adjustments May 2013 REP 10.10 4-214 Xerox® WorkCentre® 5790 Family...

  • Page 953: Rep 10.11 Inverter Gate

    Spring Use a small screwdriver to release the jam clearance lever 3a. Fuser latch Latch pin Figure 3 Locate the latch stop Figure 1 Jam clearance lever 3a Repairs/Adjustments May 2013 REP 10.10, REP 10.11 Xerox® WorkCentre® 5790 Family 4-215...
  • Page 954 Figure 3 Inverter path solenoid link Use a screwdriver to unlatch the clip on the inverter assembly bracket from the tie bar Inverter assembly bracket Figure 2 Inverter assembly bracket Repairs/Adjustments May 2013 REP 10.11 4-216 Xerox® WorkCentre® 5790 Family...

  • Page 955: Rep 10.12 Tri-Roll Shaft Assembly

    Replacement Re-install the remainder of the removed components. Replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Figure 1 Tri-roll knob Repairs/Adjustments May 2013 REP 10.11, REP 10.12 Xerox® WorkCentre® 5790 Family 4-217...
  • Page 956 Remove the bearing from the tri-roll shaft Figure 3 Tri-roll drive gear Remove 2 screws Remove the E-clip and bearing on post fuser exit roll Figure 2 Preparation Repairs/Adjustments May 2013 REP 10.12 4-218 Xerox® WorkCentre® 5790 Family...
  • Page 957 Tri-roll guide. The guide locates on the tri-roll shaft in front of the bearing. Locate the post on the tri-roll guide into the location holes in the front and rear frame. Figure Repairs/Adjustments May 2013 REP 10.12 Xerox® WorkCentre® 5790 Family 4-219...

  • Page 958: Rep 10.13 Fuser Web Motor Assembly

    If a new tri-roll shaft assembly is installed, reset the Post Fuser count to zero in the HFSI feature screen. Refer to GP 17 High Frequency service Items. Repairs/Adjustments May 2013 REP 10.12, REP 10.13 4-220 Xerox® WorkCentre® 5790 Family...
  • Page 959 Remove the fuser connector assembly Remove 3 screws Figure 2 Drives module 65-90 ppm Figure 3 Fuser web motor assembly Replacement The replacement is the reverse of the removal procedure. Repairs/Adjustments May 2013 REP 10.13 Xerox® WorkCentre® 5790 Family 4-221...

  • Page 960: Rep 10.14 Exit Shaft Assembly

    Both baffles are lifted together when clearing a post fuser jam. Remove circlip, drive gear and bearing Remove the circlip and bearing Remove the exit shaft Figure 1 Exit shaft assembly 35-55 ppm Repairs/Adjustments May 2013 REP 10.14 4-222 Xerox® WorkCentre® 5790 Family...

  • Page 961: Rep 10.15 Intermediate Drive Belt (W/O Tag 114)

    Release the transfer / detack corotron harness from the supports, Figure Drives assembly Remove screw Figure 2 Short paper path assembly Release the harness Figure 1 Transfer / detack corotron harness Repairs/Adjustments May 2013 REP 10.15 Xerox® WorkCentre® 5790 Family 4-223...
  • Page 962 Lift the drive gear assembly Move the drive gear assembly to release the catch and remove the assembly Remove 2 screws Figure 4 Remove the drive assembly Figure 3 Remove vacuum fan Repairs/Adjustments May 2013 REP 10.15 4-224 Xerox® WorkCentre® 5790 Family...

  • Page 963: Rep 10.16 Fuser Exit Switch

    Check that the transfer / detack HT leads are correctly positioned at the rear of the short paper path assembly, Figure Remove the top cover Figure 1 Remove the top cover Repairs/Adjustments May 2013 REP 10.15, REP 10.16 Xerox® WorkCentre® 5790 Family 4-225...
  • Page 964 Remove the upper guide Remove the screw Remove the switch Release the harness Figure 3 Fuser exit switch removal Disconnect the harness Remove 2 screws Figure 2 Upper guide removal Repairs/Adjustments May 2013 REP 10.16 4-226 Xerox® WorkCentre® 5790 Family...

  • Page 965: Rep 10.17 Iot Exit Sensor

    4. Inspect the heater lamp wires for damage. If the wires are Disconnect the harness from the damaged install a new fuser module. inverter motor driver PWB Figure 1 Remove the tie bar Repairs/Adjustments May 2013 REP 10.16, REP 10.17 Xerox® WorkCentre® 5790 Family 4-227...
  • Page 966 Lift the guide to release Remove two screws release the IOT sensor the nip roll guide Disconnect the harness Figure 3 Remove the IOT sensor Figure 2 Release the nip roll guide Repairs/Adjustments May 2013 REP 10.17 4-228 Xerox® WorkCentre® 5790 Family...

  • Page 967: Rep 10.18 Inverter Output Guide Assembly

    Inverter path solenoid harness Figure 4 Inverter path solenoid harness Disconnect the harness Lift the guide to release the nip roll guide Remove two screws Figure 1 Release nip roll guide Repairs/Adjustments May 2013 REP 10.17, REP 10.18 Xerox® WorkCentre® 5790 Family 4-229...
  • Page 968 Remove two screws release the output guide Figure 2 Remove the output guide Replacement The replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Repairs/Adjustments May 2013 REP 10.18 4-230 Xerox® WorkCentre® 5790 Family...

  • Page 969: Rep 10.19 Tri-Roll Nip Split Solenoid

    The replacement is the reverse of the removal procedure. Refer to GP 6 before refitting the screws. Before the inverter is installed, manually operate the solenoid and check that the nip rolls operate correctly. Repairs/Adjustments May 2013 REP 10.19 Xerox® WorkCentre® 5790 Family 4-231...

  • Page 970: Rep 10.20 Inverter Sensor

    Route the harness under the tab on the upper baffle, Figure Make sure that the upper baffle and the inverter assembly duct are linked correctly. When the latch 3d/4d is released, the two items lift together. Repairs/Adjustments May 2013 REP 10.20 4-232 Xerox® WorkCentre® 5790 Family...

  • Page 971: Rep 11.1-110 2K Lcss Covers

    Remove two screws. Remove the Open the front front door cover door, remove assembly. four screws. Figure 1 Removing the covers Replacement Reverse the removal procedure to replace the covers. Repairs/Adjustments May 2013 REP 11.1-110 Xerox® WorkCentre® 5790 Family 4-233...

  • Page 972: Rep 11.2-110 Input Drive Belt And Paper Entry Transport Motor

    11.1-110. Remove the motor and drive belt, Figure Remove the drive belt. Remove 2 screws and motor Remove the Disconnect the motor harness. spring. Figure 1 Removing the drive belt Repairs/Adjustments May 2013 REP 11.2-110 4-234 Xerox® WorkCentre® 5790 Family...

  • Page 973: Rep 11.3-110 Intermediate Paper Drive Belt

    Remove the 2K LCSS rear cover 11.1-110. Remove the intermediate paper drive belt, Figure Disconnect the spring. Remove the drive belt. Disconnect PJ307. Disconnect the bulkhead connector. Figure 1 Removing the drive belt Repairs/Adjustments May 2013 REP 11.3-110 Xerox® WorkCentre® 5790 Family 4-235...

  • Page 974: Rep 11.4-110 Paper Output Drive Belt And Paper Transport Exit Motor

    Rotate the belt by hand to allow the spring to tension the belt, 11.4-110. Tighten the screws. Install the intermediate drive belt, 11.3-110. Install the 2K LCSS rear cover, 11.1-110. Repairs/Adjustments May 2013 REP 11.4-110 4-236 Xerox® WorkCentre® 5790 Family...

  • Page 975: Rep 11.5-110 Bin 1 Drive Belts

    Take care during this procedure. Sharp edges may be present that can cause injury. Remove the 2K LCSS front and rear covers, 11.1-110. Remove the bin 1 drive belt (rear) Figure Repairs/Adjustments May 2013 REP 11.5-110 Xerox® WorkCentre® 5790 Family 4-237...
  • Page 976 Remove 2 screws, lower with motor. pulley and drive belt. Remove E-clip and bearing. Figure 1 Bin 1 drive belt (rear) Remove the bin 1 drive belt (front) Figure Repairs/Adjustments May 2013 REP 11.5-110 4-238 Xerox® WorkCentre® 5790 Family...
  • Page 977 Remove 2 screws, upper pulley and drive belt. Remove screw and front belt clamp. Remove two screws and lower pulley. Release the tensioner spring. Figure 2 Bin 1 drive belt (front) Repairs/Adjustments May 2013 REP 11.5-110 Xerox® WorkCentre® 5790 Family 4-239...

  • Page 978: Rep 11.6-110 Tamper Assembly

    The sensors are correctly located in the tamper assembly, they are easily mis-located when being re-connected to the harnesses. • All connectors in the harness over the tamper assembly are securely connected. Repairs/Adjustments May 2013 REP 11.6-110 4-240 Xerox® WorkCentre® 5790 Family...

  • Page 979: Rep 11.7-110 Hole Punch Unit, Motor And Sensors

    Take care during this procedure. Sharp edges may be present that can cause injury. Remove the 2K LCSS covers, 11.1-110. Remove and empty the chad bin, PL 11.6 Item Remove the hole punch unit, motor assembly and sensors, Figure Repairs/Adjustments May 2013 REP 11.7-110 Xerox® WorkCentre® 5790 Family 4-241...
  • Page 980 Press the tabs together to remove the punch head home and punch head present sensors. Remove screw and slide out the bracket. Figure 1 Hole punch unit, motor and sensors Repairs/Adjustments May 2013 REP 11.7-110 4-242 Xerox® WorkCentre® 5790 Family...

  • Page 981: Rep 11.8-110 Stapler Traverse Assembly

    PL 11.18 Item 1 fully to the right. Disconnect the harness, Figure NOTE. For clarity the entry guide cover is omitted Disconnect the group of 4 connectors. Figure 1 Harness disconnection Repairs/Adjustments May 2013 REP 11.7-110, REP 11.8-110 Xerox® WorkCentre® 5790 Family 4-243...

  • Page 982: Rep 11.9-110 Staple Head Unit

    Figure 2 Removing the stapler traverse assembly Replacement Ensure the stapling traverse assembly is engaged on the front and rear locating dowels. Reverse the removal procedure to replace the stapling unit. Repairs/Adjustments May 2013 REP 11.8-110, REP 11.9-110 4-244 Xerox® WorkCentre® 5790 Family...

  • Page 983: Rep 11.10-110 Ejector Assembly Sensors

    Remove two screws and remove the staple head unit. Figure 1 Removing the staple head unit Replacement Reverse the removal procedure to replace the staple head unit. Repairs/Adjustments May 2013 REP 11.9-110, REP 11.10-110 Xerox® WorkCentre® 5790 Family 4-245...
  • Page 984 Ejector home sensor Q11-320 Disconnect 2 bulkhead connectors. Lower the ejector assembly, disengage the dowels from the mounting blocks and remove. Remove 3 screws. Figure 1 Removing the ejector assembly Repairs/Adjustments May 2013 REP 11.10-110 4-246 Xerox® WorkCentre® 5790 Family...

  • Page 985: Rep 11.11-110 Bin 1 Level Sensors

    Disconnect 2 connectors. Remove two screws and harness retainers. Figure 1 Removing the stacker level sensors Replacement Reverse the removal procedures to replace the bin 1 level sensors. Repairs/Adjustments May 2013 REP 11.11-110 Xerox® WorkCentre® 5790 Family 4-247...

  • Page 986: Rep 11.12-110 Paddle Wheel Shaft Assembly

    Remove the tamper assembly, 11.6-110. Remove bin 1, PL 11.2 Item Remove 2 Release the Remove the screws harness paddle from the motor retainer assembly Figure 1 Paddle motor assembly Repairs/Adjustments May 2013 REP 11.12-110 4-248 Xerox® WorkCentre® 5790 Family...
  • Page 987 Release the spring and remove the switch actuator Remove the E-clip Figure 2 Rear preparation Figure 3 Front preparation Ensure that the compiler ejector is in the home position (fully to the left). Repairs/Adjustments May 2013 REP 11.12-110 Xerox® WorkCentre® 5790 Family 4-249...
  • Page 988 3, locates in the safety gate. Install the front E-clip. Install the output cover, Figure 4, ensuring that the safety gate is aligned with the slots in the output cover. Install the rear bearing and E-clip. Repairs/Adjustments May 2013 REP 11.12-110 4-250 Xerox® WorkCentre® 5790 Family...

  • Page 989: Rep 11.13-110 2K Lcss Un-Docking

    Figure 1 2K LCSS link bracket assembly Replacement Line up the 2K LCSS latches to the machine apertures then push the two units firmly together until they latch. Repairs/Adjustments May 2013 REP 11.13-110 Xerox® WorkCentre® 5790 Family 4-251...

  • Page 990: Rep 11.14-110 2K Lcss Pwb

    PL 11.24 Item 3, at the rear frame. DIP Switch Settings RAP. Remove the entry guide cover, Figure 1 Reverse the removal procedure to replace the 2K LCSS PWB. Repairs/Adjustments May 2013 REP 11.14-110, REP 11.15-110 4-252 Xerox® WorkCentre® 5790 Family...
  • Page 991 Check for marks on the print and for damage to the paper. If there are no marks or dam- age then install the covers. Remove 2 screws Figure 1 Entry guide cover removal Repairs/Adjustments May 2013 REP 11.15-110 Xerox® WorkCentre® 5790 Family 4-253...

  • Page 992: Rep 11.16-110 Docking Latch Assembly

    Ensure that the front and rear harness are routed through the flanged holes, refer to Figure 1 Figure Remove 2 screws Flanged hole Disconnect P/J302 Figure 1 Prepare to remove the latch Repairs/Adjustments May 2013 REP 11.16-110 4-254 Xerox® WorkCentre® 5790 Family...

  • Page 993: Rep 11.17-110 Ejector Belt

    The replacement is the reverse of the removal procedure. Ensure that the ejector belt is correctly engaged with the belt grip on the ejector assembly before the clip is reinstalled. Refer to Figure Repairs/Adjustments May 2013 REP 11.17-110 Xerox® WorkCentre® 5790 Family 4-255...
  • Page 994 Repairs/Adjustments May 2013 REP 11.17-110 4-256 Xerox® WorkCentre® 5790 Family...
  • Page 995 Open the exit cover. Remove two screws, then the top cover. Remove two screws, then the rear cover. Figure 1 Removing the covers Replacement Reverse the removal procedure to replace the covers. Repairs/Adjustments May 2013 REP 11.1-120 Xerox® WorkCentre® 5790 Family 4-257...
  • Page 996 Remove transport motor 1 and the input drive belt, Figure Remove the drive belt. Remove 3 screws, then transport motor 1. Shoulder screw. Remove the spring. Disconnect PJ17. Figure 1 Removing the drive belt Repairs/Adjustments May 2013 REP 11.2-120 4-258 Xerox® WorkCentre® 5790 Family...
  • Page 997 Locating pin Push down the front locking tab. Remove the stability foot. Locating pin Push down the rear locking tab. Release the rear of the stability foot. Figure 1 Removal Repairs/Adjustments May 2013 REP 11.3-120 Xerox® WorkCentre® 5790 Family 4-259...
  • Page 998 The replacement is the reverse of the removal procedure. Manually rotate the paper output drive belt to allow the spring to tension the belt, 11.2-120. Figure 1 Removing the paper output drive belt Repairs/Adjustments May 2013 REP 11.4-120 4-260 Xerox® WorkCentre® 5790 Family...
  • Page 999 Remove 3 screws. Remove the E-clip and bearing. Release the tensioner spring. Disconnect PJ6, PJ4, PJ1, PJ3 and PJ12. Release the harnesses from the 2 cable clamps. Figure 1 Preparation Repairs/Adjustments May 2013 REP 11.5-120 Xerox® WorkCentre® 5790 Family 4-261...
  • Page 1000 Reverse the removal procedure to replace the bin 1 drive belts. NOTE: Bin 1 level can critically affect the overall stack registration. Refer to ADJ 11.1-120 if adjustment is necessary. Repairs/Adjustments May 2013 REP 11.5-120 4-262 Xerox® WorkCentre® 5790 Family...

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