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Xerox DocuPrint P1202 Service Manual

Xerox DocuPrint P1202 Service Manual

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Xerox DocuPrint P1202
Service Manual
egl_421a
720P15700
www.printcopy.info

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  • Page 1 XEROX Xerox DocuPrint P1202 Service Manual egl_421a 720P15700 www.printcopy.info...
  • Page 2 Copyright protection claimed includes all forms of NOTICE matters of copyrightable materials and information now allowed by statutory or judicial law or This manual is for use by Xerox Technicians and hereinafter granted, including without limitation, Xerox trained technicians only. material generated from the software programs...
  • Page 3 This caution indicates that there are components which are sensitive to damage caused by The Laser contained in the DocuPrint P1202 electrostatic discharge. meets the following standard: Laser class 3B, maximum 5mW, wavelength 780nm.
  • Page 4 The Laser Label is visible when the Top Cover is removed (Figure 1). Figure 1. Laser Safety Label Laser Label. DP8_034 Finland Laser Safety 3/99 www.printcopy.info Product Safety Xerox DocuPrint P1202 Service Manual...

  • Page 5: Table Of Contents

    Table of Contents Introduction Title Page The Xerox DocuPrint P1202 Service Manual is the primary document used for repairing and Introduction ..........v maintaining the P1202 Laser Printers. Organization ..........vi This manual contains Service Call Procedures, Diagnostic Procedures, General Information, Service Call Procedures .......1-1...

  • Page 6: Organization

    Section 7 - REPAIR ANALYSIS PROCEDURES (RAPs) This section contains the procedures necessary to repair failures in the printer. This section also contains the procedures necessary to troubleshoot print quality problems. 3/99 www.printcopy.info Contents Xerox DocuPrint P1202 Service Manual...
  • Page 7 Product Manual Title Part Number P1202 Laser Printer Xerox DocuPrint P1202 Service Manual 720P15700 Page Date Page Date Page Date Page Date Title 3/99 3/99 3/99 6-11 3/99 3/99 3/99 3/99 6-12 3/99 3/99 3/99 3/99 6-13 3/99 3/99 3/99...
  • Page 8 Product Manual Title Part Number P1202 Laser Printer Xerox DocuPrint P1202 Service Manual 720P15700 Page Date Page Date Page Date Page Date 3/99 www.printcopy.info Revision Control List viii Xerox DocuPrint P1202 Service Manual...

  • Page 9: Service Call Procedures

    Section 1 Service Call Procedures 1.1 Call Flow Diagram ................1-2 1.2 Initial Actions .................. 1-3 1.3 Corrective Actions................1-3 1.4 Final Actions ................... 1-4 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Service Call Procedures...

  • Page 10: Parts Lists

    Initial Actions and end with Final Actions. Figure 1.1 Call Flow Diagram. Initial Actions Corrective Actions Parts List RAPs Repair Procedures Wiring Data General Procedures Final Actions Correct Any Secondary Problems Image Quality 3/99 www.printcopy.info Service Call Procedures Xerox DocuPrint P1202 Service Manual...

  • Page 11: Initial Actions

    2 If the fault is not obvious, follow the Entry Level RAP (Section 7) to identify the problem and begin corrective action. 3 After all corrective actions have been made, perform Final Actions. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Service Call Procedures...

  • Page 12: Final Actions

    5 Clean the machine and the work area. 6 Ask the customer to send a print job to verify printer operation. 7 Provide operator training as required. 8 Close the call. 3/99 www.printcopy.info Service Call Procedures Xerox DocuPrint P1202 Service Manual...
  • Page 13 2.5 Options .................... 2-5 2.5.1 PostScript Simms ..............2-5 2.6 Paper Specifications ..............2-5 2.6.1 Paper limitations ..............2-6 2.7 Operating Language and Emulation ..........2-7 2.8 Communication Interfaces ............2-7 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Printer Specifications...

  • Page 14: Printer Specifications

    2.9 Status Display / Controls ............... 2-8 3/99 www.printcopy.info Printer Specifications Xerox DocuPrint P1202 Service Manual...

  • Page 15: Electrical Specifications

    30 Watts 2.1.2 Power On/Off The Xerox P1202 printers have an on/off power switch located on left rear corner of machine. The machine is equipped with a grounded power socket. Printer will power down automatically, (default condition, which can be disabled by the customer), when not used for a period of time (see Power Saver).

  • Page 16: Physical Location

    From Sleep mode to From Standby mode 12 ppm True 600 x 600 dpi Standby mode 20 seconds RET of 1200 x 1200 under 45 seconds From Power save mode 30 seconds 3/99 www.printcopy.info Printer Specifications Xerox DocuPrint P1202 Service Manual...

  • Page 17: Environment

    (40lb), or envelope, you must insert paper into the Manual Single Sheet Feeder and select Thick Paper. The Multipurpose Paper Feeder will hold 100 sheets of 60 - 126 g/m (16 - 43 lb), or 10 envelopes, 25 labels, 30 transparency films and 25 paper labels. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Printer Specifications...

  • Page 18: Paper Limitations

    C5 (162 x 229 mm) DL (110 x 220 mm) C6 (114 x 162 mm) Cards 1 at a time Transparency film Labels * Depending on paper thickness, maximum capacity may be reduced 3/99 www.printcopy.info Printer Specifications Xerox DocuPrint P1202 Service Manual...

  • Page 19: Operating Language And Emulation

    2.7 Operating Language and Emulation The Xerox P1202 uses the PCL5e and PCL6 language. The Xerox P1202 emulates the HP 6P and previous (PCL6). 2.8 Communication Interfaces NOTE: IEEE 1284 EPP is not supported. Parallel port - Centronics IEEE P1284 compatible bi-directional (Nibble, Byte and ECP).
  • Page 20 — change printer settings from the computer screen (Remote Control Panel). The Remote Control Panel (RCP) program allows you to view and change print settings for the following operating systems; DOS, Windows 3.1, Windows 95, Windows 98, and NT 4.0. 3/99 www.printcopy.info Printer Specifications Xerox DocuPrint P1202 Service Manual...
  • Page 21 PL 8 Pickup Assembly (Bottom View) ..........3-16 PL 9 Paper Tray, Upper ..............3-18 PL 10 Lower Paper Tray Frame and Paper Tray (Option) ....3-20 Tools, Kits, and Expendables............3-22 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Parts Lists...

  • Page 22: Parts Lists

    Multi-Purpose Tray Empty Lever Static Brush Exit Lock Exit Guide 3N00706 Exit Stopper (4 per order) 2N01619 Exit Cover Assembly Cover Opener Button Systems Controller Cover 123N00186 LED Panel PWB Panel Cap 3/99 www.printcopy.info Parts Lists Xerox Docuprint P1202 Service Manual...
  • Page 23 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Parts Lists...

  • Page 24: 2 Frame Assembly

    Transfer Roller 7N00776 Transfer Gear Wire Shield Systems Controller Shield Simm Cover 130N00900 Cover Open Sensor 38N00284 Transfer Guide Bracket Assembly 130N00907 Thermistor Housing 007N00774 Multi-purpose Tray Drive Bracket 140N05245 Cleaning PWB 3/99 www.printcopy.info Parts Lists Xerox Docuprint P1202 Service Manual...
  • Page 25 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Parts Lists...

  • Page 26: 3 Multi-Purpose Tray

    Tray Cover Output Tray 3N00706 Tray Stoppers (4 per order) 22N01022 Multi-Purpose Rack Assembly (Includes items 6-11) Rack Frame Rack Plate Bracket Assembly Solenoid 19N00433 Holder Pad Assembly Paper Empty Sensor 3/99 www.printcopy.info Parts Lists Xerox DocuPrint P1202 Service Manual...
  • Page 27 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Parts Lists...

  • Page 28: 4 Laser Assembly, Exit Assembly, Print Cartridge

    Print Cartridge (No Cycling Campaign) 113R00398 Print Cartridge (Recycling Campaign) 123N00185 Erase Lamp 122N00138 Laser Assembly Fuser Guide 2N01618 Exit Housing Assembly (Includes items 6-8) Exit Roll Exit Roller Exit Housing 7N00775 Exit Gear/Bracket Assembly 3/99 www.printcopy.info Parts Lists Xerox DocuPrint P1202 Service Manual...
  • Page 29 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Parts Lists...

  • Page 30: 5 Fuser Assembly

    Fuser Assembly (110V)(Includes items 2-8) 126N00090 Fuser Assembly (220V)(Includes items 2-8) 130N00901 Thermostat Fuser Harness 130N00902 Thermistor 122N00139 Halogen Lamp (110V) 122N00140 Halogen Lamp (220V) Exit Roll Pressure Roll Heat Roll 126N00088 Exit Actuator 3/99 www.printcopy.info Parts Lists 3-10 Xerox Docuprint P1202 Service Manual...
  • Page 31 (4 PLACES) (4 PLACES) (4 PLACES) egl_606e 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 3-11 Parts Lists...

  • Page 32: 6 Main Drive Assembly

    PL 6 Main Drive Assembly Item Part Number Description 5N00619 Main Drive Assembly 3/99 www.printcopy.info Parts Lists 3-12 Xerox Docuprint P1202 Service Manual...
  • Page 33 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 3-13 Parts Lists...

  • Page 34: 7 Systems Controller And Electronics

    SMPS Shield 140N05248 Systems Controller PWB (110V) 140N05250 Systems Controller PWB (220V) Memory Simm Postscript Simm (Option) Serial/Local Talk PWB (Option) Harness (to Engine Board) Harness (to LED Panel Board) 3/99 www.printcopy.info Parts Lists 3-14 Xerox Docuprint P1202 Service Manual...
  • Page 35 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 3-15 Parts Lists...
  • Page 36 Item Part Number Description 130N00903 Feeder Assembly (Includes Items 2-4) 130N00904 Feeder Rubber (2 per order) 130N00905 Feed Drive Roll Pickup Gear Base Bracket (Right) Base Bracket (Left) Ground Plate 3/99 www.printcopy.info Parts Lists 3-16 Xerox Docuprint P1202 Service Manual...
  • Page 37 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 3-17 Parts Lists...

  • Page 38: 9 Paper Tray, Upper

    PL 9 Paper Tray, Upper Item Part Number Description 50N00278 Paper Tray (Includes Item 2) 38N00286 Paper Guide 3/99 www.printcopy.info Parts Lists 3-18 Xerox Docuprint P1202 Service Manual...
  • Page 39 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 3-19 Parts Lists...

  • Page 40: 10 Lower Paper Tray Frame And Paper Tray (Option)

    Left Frame Cover and Shield Right Frame Cover Rear Cover Upper Frame Lower Frame Arm Actuator Feeder Clutch Housing Solenoid Double Option Gear Harness Pickup Rubber Paper Tray (Includes Item 20) 38N00286 Rear Guide 3/99 www.printcopy.info Parts Lists 3-20 Xerox Docuprint P1202 Service Manual...
  • Page 41 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 3-21 Parts Lists...
  • Page 42 Towel (heavy duty) Supplies (XL Xerox) Item Part Number Description 8R90175 Cleaner 600S04372 Cleaning Pad Kit 8R90019 Cloth 43P00083 Fuser Cleaning Solvent Pads 8R90176 General Cleaning Solvent 8R90177 Lens Cleaner 3/99 www.printcopy.info Parts Lists 3-22 Xerox Docuprint P1202 Service Manual...
  • Page 43 REP 4.3.2 Paper Out Actuator, Paper Feed / Reg. Actuator, Paper Size Actuator, and Exit Sensor Actuator......... 4-18 PREP 4.3.3 Cover Open Sensor ............ 4-19 REP 4.4 Fuser REP 4.4.1 Fuser Assembly............. 4-21 REP 4.4.2 Fuser Thermistor ............4-25 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Procedures...
  • Page 44 REP 4.5.5 DC Fan Motor ..............4-34 REP 4.6 Electrical Modules REP 4.6.1 Engine PWB ..............4-35 REP 4.6.2 System Controller PWB..........4-40 REP 4.6.3 LSU (Laser) Assembly ..........4-42 REP 4.6.4 Replacing the ROM ............4-44 3/99 www.printcopy.info Repair Procedures Xerox DocuPrint P1202 Service Manual...

  • Page 45: Overview

    3 Wear a wrist strap to dissipate static electricity, which may damage sensitive electronic parts, and use a grounded mat when working with PWBs. 4 See Section 6 for the precise location of electrical connectors in the printer. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Procedures...

  • Page 46: Rep 4.1 Covers

    REP 4.1.1 Multi-Purpose Feeder (MPF) Removal 1 Switch the printer power off and disconnect the AC power cord. 2 Open the MPF cover, (Figure 4.1.1a). Figure 4.1.1a. Opening the MPF Cover. egl_322a 3/99 www.printcopy.info Repair Procedures Xerox DocuPrint P1202 Service Manual...
  • Page 47 4 Hold the MPF cover at a 45 degree angle then remove, (Figure 4.1.1c). Figure 4.1.1b. Unlatching the MPF Cover Stopsl egl 324a Figure 4.1.1c. MPF Cover Removal. egl_323a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Procedures...

  • Page 48: Rep 4.1.2 Control Panel Harness Cover

    2 Press the cover open button and raise the Printer Cover, (Figure 4.1.2a). 3 Remove the screw and unlatch the Control Panel Harness Cover, (Figure 4.1.2b). Figure 4.1.2a. Cover Open Button. egls307a Figure 4.1.2b. Removing the Panel Cap egl_314a 3/99 www.printcopy.info Repair Procedures Xerox DocuPrint P1202 Service Manual...
  • Page 49 4 Disconnect the data cable from the Panel Board, (Figure 4.1.2c). Figure 4.1.2c Disconnecting Data Cable egl_316a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Procedures...

  • Page 50: Rep 4.1.3 Main Cover

    5 Remove the two screws at the rear of the Main Cover, (Figure 4.1.3a) Figure 4.1.3a. Rear Screwsl. egl_325a 6 Open the printer cover and remove the two screws (Figure 4.1.3b) Figure 4.1.3b Front Screws egl_327a 3/99 www.printcopy.info Repair Procedures Xerox DocuPrint P1202 Service Manual...
  • Page 51 8 Slide the Main Cover upward, off of the Printer, (Figure 4.1.3d). NOTE: Ensure that the Printer Power On/Off Switch is in the Off position before removing the cover. Figure 4.1.3d egl_330a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Procedures...
  • Page 52 Top Cover. NOTE: When reinstalling the Main Cover ensure that you have access to the System Controller connectors J3 and J4 . 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Repair Procedures 4-10 Xerox DocuPrint P1202 Service Manual...

  • Page 53: Rep 4.2 Paper Feed

    8 Turn the Printer over so the buttom is facing upward. 9 Remove the three scews from the left base bracket (Figure 4.2.1a). Figure 4.2.1a. Left Base Bracket Removal. egl_318a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-11 Repair Procedures...
  • Page 54 12 Lift the Pick-Up Roll upward and out of the printer. Figure 4.2.1c Pick-Up Roll Assembly Removal egls319a NOTE: If the Pick-Up Roll is to be replaced individually, go to step 13. 3/99 www.printcopy.info Repair Procedures 4-12 Xerox DocuPrint P1202 Service Manual...
  • Page 55 13 Check the rubber on the Pick-Up Roll for wear, replace as required (Figure 4.2.1d). Figure 4.2.1d Removing Pick-up Roll 2. Remove Pick-up Roll 1. Push Tab Up-ward to remove the Pick-up Roll egl_321a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-13 Repair Procedures...

  • Page 56: Rep 4.3 Paper Transportation

    5 Disconnect the Control Panel Harness from J1 on the Control Panel. 6 Remove the Main Cover (REP 4.1.3). 7 Remove the Fuser Cover (Figure 4.3.1a). Figure 4.3.1a Exit Assembly Removal. egl_331a 3/99 www.printcopy.info Repair Procedures 4-14 Xerox DocuPrint P1202 Service Manual...
  • Page 57 8 Remove the three screws from the Exit Idler Gear Assembly (Figure 4.3.1b). 9 Remove the Exit Gear Assembly. Figure 4.3.1b Exit Idler Gear Removal egl_333a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-15 Repair Procedures...
  • Page 58 10 Remove the two screws from the Exit assembly and unlatch the two tabs (Figure 4.3.1c). Figure 4.3.1c Exit Assembly Removal egl_335a NOTE: If the Exit Roller Shaft is to be replaced individually, go to step 10. 3/99 www.printcopy.info Repair Procedures 4-16 Xerox DocuPrint P1202 Service Manual...
  • Page 59 14 If the Exit Roller Holder or spring is to be replaced, use care when removing and installing the holder. The mounting pins can break off. Replacement 1 Assemble in reverse order. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-17 Repair Procedures...

  • Page 60: Size Actuator, And Exit Sensor Actuator

    Figure 4.3.2a. Paper Empty Sensor Removal. Paper Size Actuator Printer Bottom Paper Out View Actuator Paper Feed/ Exit Sensor Registration Actuator Actuator egl_427a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Repair Procedures 4-18 Xerox DocuPrint P1202 Service Manual...

  • Page 61: Prep 4.3.3 Cover Open Sensor

    5 Disconnect the Control Panel Harness from J1 on the Control Panel. 6 Remove the Main Cover (REP 4.1.3). 7 Remove the ICU Shield (Figure 4.3.3a). Figure 4.3.3a. ICU Shield Removal. egl_387a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-19 Repair Procedures...
  • Page 62 8 Remove the two screws that secure the Cover Open Sensor to the frame (Figure 4.3.2b). Figure 4.3.3b egl_388a 9 Remove the two screws that secure the Sensor to the holder (Figure 4.3.5c). egl_389a 3/99 www.printcopy.info Repair Procedures 4-20 Xerox DocuPrint P1202 Service Manual...

  • Page 63: Rep 4.4 Fuser

    7 Remove the three screws from the Exit Idler Gear Assembly (Figure 4.4.1a). Figure 4.4.1a egl_345a 8 Remove the two screws that secure the Printer Engine PWB Cover (Figure 4.4.1b). Remove the cover. Figure 4.4.1b Fuser Assembly. egl_347a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-21 Repair Procedures...
  • Page 64 Ensure that the actuator is not damaged as the Fuser is removed. 10 Disconnect the harnesses from CN102 and CN4 on the Printer Engine PWB (Figure 4.4.1c). Figure 4.4.1c Exit Actuator Removal Exit Actuator egl_346a 3/99 www.printcopy.info Repair Procedures 4-22 Xerox DocuPrint P1202 Service Manual...
  • Page 65 13 Remove the screw that secures the Heat Rod Terminal to the right end of the Fuser Assembly and slide the Heat Rod out of the Fuser Assembly (Figure 4.4.1e). Figure 4.4.1e Heat Rod Removal egl_353a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-23 Repair Procedures...
  • Page 66 Figure 4.4.1f Seating the Heat ARod. egl_354a 3 Reinstall the Fuser Assembly ensuring that the Exit Sensor Actuator is not damaged and has free movement. 4 Complete the assembly in reverse order. 3/99 www.printcopy.info Repair Procedures 4-24 Xerox DocuPrint P1202 Service Manual...

  • Page 67: Rep 4.4.2 Fuser Thermistor

    Figure 4.4.2a. Fuser Thermistor Removal. egl_350a 9 Remove the screw that secures the Thermistor to the Fuser Assembly (Figure 4.4.2b). 10 Remove the Thermistor Assembly. Figure 4.4.2b Fuser Thermistor Removal. egl_351a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-25 Repair Procedures...
  • Page 68 Replacement 1 Ensure that the Thermistor is properly seated when reinstalled (Figure 4.4.2c). Figure 4.4.2c Reinstalling the Thermistor egl_352a 2 Assemble in reverse order. 3 Verify proper operation. 3/99 www.printcopy.info Repair Procedures 4-26 Xerox DocuPrint P1202 Service Manual...

  • Page 69: Rep 4.4.3 Fuser Thermostat

    8 Remove the two screws that secure the Thermostat to the Fuser Assembly (Figure 4.4.3a) Figure 4.4.3a. Fuser Thermistor Removal. egl_349a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-27 Repair Procedures...

  • Page 70: Rep 4.5 Drive And Xerographic Modules

    4 If the Printer Cartridge will be out for longer then a few minutes, cover the Cartridge with several sheets of paper to protect it from light. Replacement 1 Assemble in reverse order. 3/99 www.printcopy.info Repair Procedures 4-28 Xerox DocuPrint P1202 Service Manual...

  • Page 71: Rep 4.5.2 Main Drive Motor Assembly

    5 Disconnect the Control Panel Harness from J1 on the Control Panel. 6 Remove the Main Cover (REP 4.1.3). 7 Disconnect the four connectors from the Motor Drive PWB (Figure 4.5.2a). Figure 4.5.2a. Motor Drive Connector Removal. egl_337a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-29 Repair Procedures...
  • Page 72 10 Remove the three gold colored screws that secure the Main Drive Motor to the assembly and remove the Main Drive Motror assembly (Figure 4.5.2c). Figure 4.5.2c Main Drive Motor Removal egl_340a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Repair Procedures 4-30 Xerox DocuPrint P1202 Service Manual...

  • Page 73: Rep 4.5.3 Erase Lamperase Lamp

    1 Assemble in reverse order. 2 When reinstalling the Printer Engine PWB on the base frame, use care not to bind the four sensor actuators (Paper Out, Paper Registration, Exit, and Printer Cartridge/Front Cover). 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-31 Repair Procedures...

  • Page 74: Rep 4.5.4 Transfer Roller

    NOTE: Be careful not to touch the BTR roll with your hands 7 Using a flat head screw driver slowly lift up the right end of the BTR Roller as shown in (Figure 4.5.4a). Figure 4.5.4a.BTR Roller Remova egl_309a 3/99 www.printcopy.info Repair Procedures 4-32 Xerox DocuPrint P1202 Service Manual...
  • Page 75 1 If installing a new Transfer Roller, remove the gear from the old roller and place on the new roller. 2 Assemble components in reverse order. 3 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-33 Repair Procedures...

  • Page 76: Rep 4.5.5 Dc Fan Motor

    7 Disconnect the DC Fan from CN2 on the Motor Drive PWB. 8 Remove the DC Fan Motor (Figure 4.5.5a). Figure 4.5.5a. DC Fan Motor Removal. egl_338a Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Repair Procedures 4-34 Xerox DocuPrint P1202 Service Manual...

  • Page 77: Rep 4.6 Electrical Modules

    3 Remove the Multi-Purpose Feeder (REP 4.1.1). 4 Remove the Paper Tray. 5 Remove the Main Cover (REP 4.1.3). 6 Remove the SMPS bracket (Figure 4.6.1a). Figure 4.6.1a Removing SMPS Bracket egl_347a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-35 Repair Procedures...
  • Page 78 8 Turn the Printer over so the buttom is facing upward. 9 Remove the six scews from the right and left base bracket (Figure 4.6.1c). Figure 4.6.1c. Right and Left Base Bracket Removal. egl_370a 3/99 www.printcopy.info Repair Procedures 4-36 Xerox DocuPrint P1202 Service Manual...
  • Page 79 10 Remove the three screws securing the Image Control Unit (ICU), (4.6.1d). Figure 4.6.1d Remove the ICU egl_371a 11 Remove the ground screw from the Engine PWB frame (4.6.1e). Figure 4.6.1e Removing the egl_372a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-37 Repair Procedures...
  • Page 80 13 Press the plastic Tab back and gently lift up the Engine PWB (4.6.1g). The PWB fits tightly on its locating pins. It may be necessary to gently rock the PWB as you lift it. Figure 4.6.1g Engine PWB Removal. egl_374a 3/99 www.printcopy.info Repair Procedures 4-38 Xerox DocuPrint P1202 Service Manual...
  • Page 81 Harness from CN5, and the Main Drive from CN1. Remove the Engine PWB (Figure 4.6.2h) Figure 4.6.1h Engine PWB Removal. egl_375a.eps Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-39 Repair Procedures...

  • Page 82: Rep 4.6.2 System Controller Pwb

    3 Press down on the tab (Figure 4.6.3a) and remove the SIMM Cover. 4 Remove the screw that secures the metal shield and remove the shield (Figure 4.6.2a). Figure 4.6.2a. SIMM/Cover Shield Removal. SIMM Cover egl_312a egl_310a 3/99 www.printcopy.info Repair Procedures 4-40 Xerox DocuPrint P1202 Service Manual...
  • Page 83 8 If an Optional Serial PWB is installed and the System Controller PWB is being replaced, remove the Optional Serial PWB and install it on the new System Controller PWB. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-41 Repair Procedures...

  • Page 84: Rep 4.6.3 Lsu (Laser) Assembly

    5 Disconnect the Control Panel Harness from J1 on the Control Panel. 6 Remove the Main Cover (REP 4.1.3). 7 Remove the Fuser Cover (Figure 4.6.4a). Figure 4.6.3aLaser Scanner Motor Harness. egl_331a 3/99 www.printcopy.info Repair Procedures 4-42 Xerox DocuPrint P1202 Service Manual...
  • Page 85 9 Remove the three screws that secure the Laser Assembly to the printer frame (Figure 4.6.3b). Figure 4.6.3b Laser Assembly Removal. egl_332a Replacement 1 Clean the Laser window. 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-43 Repair Procedures...

  • Page 86: Rep 4.6.4 Replacing The Rom

    1 Switch the printer power off and disconnect the AC power cord. 2 Press the cover open button and raise the printer front cover (Figure 4.6.5a). 3 Remove the Print Cartridge (REP 4.5.1). Figure 4.6.4a. Opening Printer Front Cover. egl_390a.eps 3/99 www.printcopy.info Repair Procedures 4-44 Xerox DocuPrint P1202 Service Manual...
  • Page 87 CAUTION When installing the ROM, ensure that the notch on the ROM is in line with the notch on the socket. 1 Assemble in reverse order. 2 Verify proper operation. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 4-45 Repair Procedures...
  • Page 88 This Page Intentionally Left Blank 3/99 www.printcopy.info Repair Procedures 4-46 Xerox DocuPrint P1202 Service Manual...
  • Page 89 5.3.1 Installing Software ..............5-8 5.3.1.1 Installing Printer Drivers..........5-8 5.3.1.2 Installing Status Monitor and Remote Control Panel ..5-9 5.3.2 The Status Monitor ..............5-9 5.3.3 Remote Control Panel (RCP) ..........5-11 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual General Procedures and Information...
  • Page 90 5.4.3 General Test Procedures ............5-25 5.5 Engine Controller PWB ..............5-28 5.6 Installing Additional Memory............5-29 5.7 EPROM Update Procedure ............5-31 5.8 Update Procedure................. 5-34 5.9 Abbreviations................5-36 3/99 www.printcopy.info General Procedures and Information Xerox DocuPrint P1202 Service Manual...

  • Page 91: Precautions

    5.1.2 Service Precautions 1 Before disassembly, disconnect the AC power. 2 Replace parts only with the same Xerox parts. 3 Pay attention to the proper orientation of parts when mounting or inserting them. 4 Pay particular attention to the Electrostatically Sensitive Device (ESD) precautions, since failure to follow them can seriously damage the unit.

  • Page 92: Esd Precautions

    5.1.4 Laser Safety The DocuPrint P1202 laser printer contains a Class IIIb laser. All laser safety information is contained on pages iii and iv in the front of this manual. 3/99 www.printcopy.info...

  • Page 93: Printer Operations

    The printer is ready to receive and process data. Ready LED (blink) The printer is receiving or processing data. Ready LED (off) The printer is offline All LEDs (blink) Possible printer failure. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual General Procedures and Information...

  • Page 94: Printer Modes

    5.2.2 Printer Modes The DocuPrint P1202 has two modes of operation, each with its own set of options. 1 Ready Mode (online) 2 Test Mode 5.2.2.1 Ready Mode (Online) The Ready Mode (Online) is the printer’s normal operating mode. In this mode the printer is online and ready to print.

  • Page 95: Clearing Printer Memory

    The customer has a choice of different software configurations depending upon their needs. The DocuPrint P1202 can be configured for Windows 3.1x, Windows 95/98 or Windows NT 4.0. The printer software includes: Print Drivers, Remote Control Panel (RCP), and Status Monitor. This section describes each of the software selections.

  • Page 96: Installing Software

    — If Windows 95/98 Plug and Play is in effect, continue with Step 2. — If Window 95/98/NT 4.0 does not recognize the new printer, skip to Step 4. 2 At the ‘New Hardware Found’ dialog box, click on the OK button, then insert the Xerox DocuPrint P1202 CD-ROM into your CD-ROM drive.

  • Page 97: Installing Status Monitor And Remote Control Panel

    Installing the software for Windows 3.1x 1 Turn on the printer, then turn on the computer and start Windows. 2 Insert the Xerox DocuPrint P1202 CD-ROM into your CD-ROM drive. 3 Open the Program Manager and select Run from the File menu.
  • Page 98 Unknown Error.: A catastrophic printer failure such as a laser or fuser error has occurred. For this current release, it is not known whether this error message has been implemented. 3/99 www.printcopy.info General Procedures and Information 5-10 Xerox DocuPrint P1202 Service Manual...

  • Page 99: Remote Control Panel (Rcp)

    PSII enables listing of the resident PostScript fonts. To start the Remote Control Panel for Windows: Windows 95/98 and Windows NT 4.0 - Select Program from the Start menu. Select Xerox DocuPrint P1202, then Remote Control Panel from the drop down list.
  • Page 100 Status Monitor: Displays the current printer status. Exit: Closes the Remote Control Panel. 3/99 www.printcopy.info General Procedures and Information 5-12 Xerox DocuPrint P1202 Service Manual...
  • Page 101 AUTO CR sets how the printer performs a carriage return. Quality sets the printer resolution to either 300 or 600 dpi. The higher the setting, the sharper the clarity of printed characters and graphics. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-13 General Procedures and Information...

  • Page 102: Configuration Tab

    The printer reprints all jammed pages. Fast Print turns the fast print mode on or off. 3/99 www.printcopy.info General Procedures and Information 5-14 Xerox DocuPrint P1202 Service Manual...
  • Page 103 Memory Enhancement mode makes the printer process more data by optimizing the memory. When set to ON , the complex data can be processed. Resolution Enhancement mode makes the printer optimize the print quality to 1200 dpi image quality. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-15 General Procedures and Information...
  • Page 104 An XON is sent every second as long as no data is received across the serial port in the last second, the last XON is accepted by the host computer, and the printer is ready to receive data from the serial port. 3/99 www.printcopy.info General Procedures and Information 5-16 Xerox DocuPrint P1202 Service Manual...

  • Page 105: Test Tab

    Configuration Page prints the configuration sheet. A list of the user default settings, the installed options, and the amount of printer memory available prints. Demo Page prints the standard demonstration page. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-17 General Procedures and Information...
  • Page 106 Lines Per Page sets the number of lines that print on each page. The setting can range from 1 to 225 lines per page. Courier determines the courier font type: Regular or Dark. Font List prints the font list showing all the fonts available for PCL emulation. 3/99 www.printcopy.info General Procedures and Information 5-18 Xerox DocuPrint P1202 Service Manual...

  • Page 107: Postscript Tab

    The PS II tab (shown above) enables the following printer settings. printer feature (only when the PostScript option is installed). Font List prints the font list showing all the fonts available for PostScript. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-19 General Procedures and Information...

  • Page 108: Diagnostic Control Unit (Dcu)

    NOTE: If there is any discrepancy between the information here and labels on the DCU, ignore the DCU labels and follow this information. 3/99 www.printcopy.info General Procedures and Information 5-20 Xerox DocuPrint P1202 Service Manual...
  • Page 109 DCU MODE –– DOWN –– SHIFT –– STOP ENTER SM5_012 IF YOU WANT TO ENTER THE DCU MODE. TURN THE POWER SWITCH ON WITH HOLDING THREE KEYS DOWN egl_410b 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-21 General Procedures and Information...

  • Page 110: Status Mode

    Whenever Status Mode no longer detects any problem, the displayed Status Code will be one of the three Ready codes (00, 01, 02), depending on which paper size has been selected. Status Mode can be interrupted only by disconnecting power to the printer. 3/99 www.printcopy.info General Procedures and Information 5-22 Xerox DocuPrint P1202 Service Manual...

  • Page 111: Diagnostic Mode

    When the DCU enters Diagnostic Mode, the readout window displays “00” and all LEDs on the printer's Control Panel start to blink. The Control Panel LEDs continue to blink as long as the DCU is in Diagnostic Mode. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-23 General Procedures and Information...
  • Page 112 The “00” readout is the Diagnostic Code for testing the main motor. The [UP] and [SHIFT] + [DOWN] keys are used to scroll the Diagnostic Code list up and down in the readout window to select other diagnostic tests. 3/99 www.printcopy.info General Procedures and Information 5-24 Xerox DocuPrint P1202 Service Manual...

  • Page 113: General Test Procedures

    1100 to 1000 to BTR Roller 4000 4000 4000 Nominal Nominal Nominal 2000 2000 2000 Bias Medium Bias -430 -430 -430 Bias Medium Supply --630 -630 -630 dp8_067 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-25 General Procedures and Information...
  • Page 114 Three of the thirteen (07, 08, 09) are tests involving sensors. Pressing [ENTER] starts the tests. Manually actuating and deactuating the sensor verifies the operation. 3/99 www.printcopy.info General Procedures and Information 5-26 Xerox DocuPrint P1202 Service Manual...
  • Page 115 Unplug Printer Cycle (continous) Transfer Transfer Trigger Press [ENTER] Voltage On Transfer Duty Automatically Switches Voltage On [SHIFT] + [STOP] Transfer Duty Press [ENTER] Voltage On [SHIFT] + [STOP] 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-27 General Procedures and Information...

  • Page 116: Engine Controller Pwb

    Paper Detect Sensor: This sensor senses if there are papers in the Multipurpose Paper Feeder. • Paper Width Sensor: Located on the side of the paper path, this sensor is used to detect narrow paper. 3/99 www.printcopy.info General Procedures and Information 5-28 Xerox DocuPrint P1202 Service Manual...

  • Page 117: Installing Additional Memory

    Figure 5.6.0a Right Side Cover Removal egl_412b 4 Remove the metal plate by removing the screw holding it in place (Figure 5.6.0b). Figure 5.6.0a . Shield Removal egl_413b 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-29 General Procedures and Information...
  • Page 118 8 Reinstall the Shield and the right side cover panel. 9 Run a Status Page to verify memory has been installed correctly and system recognizes the installation of additional memory 3/99 www.printcopy.info General Procedures and Information 5-30 Xerox DocuPrint P1202 Service Manual...
  • Page 119 5.7.0a). Figure 5.7.0a . Right Side Cover Removal egl_412b 3 Remove the metal plate by removing the screw holding it in place (5.7.0b). Figure 5.7.0a Shield Removal egl_413b 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-31 General Procedures and Information...
  • Page 120 5 Remove the three screws securing the back plate of the System Controller PWB (Figure 5.7.0d). Figure 5.7.0a System Controller Removal. egl_417b 6 Slide the System Controller PWB from the printer and place it on a flat surface. Discard the metal filler plate. 3/99 www.printcopy.info General Procedures and Information 5-32 Xerox DocuPrint P1202 Service Manual...
  • Page 121 11 Connect the serial interface cable. 12 Have the user set the appropriate transmission speed in the RCP. 13 Confirm the serial option setup for the printer matches the PC values. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 5-33 General Procedures and Information...

  • Page 122: Update Procedure

    • fprt.exe • xerox-lt.110 (if default paper size is letter) or xerox-a4.220 (if default paper size is A4) • rom.XXX (XXX represents the version level, i.e. 103 for version 1.03) • boot.XXX (XXX represents the version level, i.e. 103 for version 1.03) The computer’s parallel port should be assigned as standard LPT1 (hex 378) before beginning the...
  • Page 123 9 Switch the printer back on. The printer should go to an on-line condition with the ready LED on. 10 At the C> prompt, type: fprt xerox-lt.XXX lpt1 (XXX represents the version level, i.e. 103 for version 1.03). This tests 115 VAC systems with a default for letter size paper At the C>...

  • Page 124: Abbreviations

    Engine Status message collector supply voltage (dc) HSYNC Horizontal sync Video Control Unit Interrupt Video data from controller INTA Interrupt Acknowledge Video data output Image Cartridge Print Cartridge 3/99 www.printcopy.info General Procedures and Information 5-36 Xerox DocuPrint P1202 Service Manual...

  • Page 125: Wiring Data

    6.3.5 DCU Connector............... 6-12 6.3.6 Thermistor................6-12 6.3.7 Heat Rod................. 6-12 6.3.8 AC Input .................. 6-13 6.3.9 Lower Feeder Harness ............6-13 6.3.10 Serial Port ................6-13 6.4 PWB Layout .................. 6-14 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Wiring Data...
  • Page 126 6.4.1 System Controller PWB ............6-14 6.4.2 Control Panel PWB ..............6-14 6.4.3 Engine PWB................6-15 6.4.4 Motor Drive PWB ..............6-16 3/99 www.printcopy.info Wiring Data Xerox DocuPrint P1202 Service Manual...

  • Page 127: Introduction

    The wiring diagrams illustrate the wiring connections between the circuit boards and between circuit boards and components. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Wiring Data...

  • Page 128: Connection Diagram

    +24V +24VS2 CN 12 +5VS THERMISTOR CN 4 DGND AC_V FUSER LDON CN 102 AC_V DGND LASER UNIT HSYNC CN 5 & LREADY MOTOR DCU_DATA PMOTOR CN 2 DCU_CLK +24VS1 egl_437a 3/99 www.printcopy.info Wiring Data Xerox DocuPrint P1202 Service Manual...

  • Page 129: System Controller Pwb

    6.2.2 System Controller PWB Control Panel Harness Control Panel System Controller Printer DCU Connector Engine SIMM Connector Interface Harness Parallel Interface Connector Serial Option dp8_031 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Wiring Data...

  • Page 130: Engine Pwb

    HEAT LAMP EXIT ~AD7 INTER MP_PAPER LOCK THERMOSTAT SCF_EMPTY MP_EMPTY MOTOR VIDEO CONTROLLER INTERFACE COVER OPEN MOTOR +24V POWER OFF +5V POWER OFF MP_CLUTCH HVPS SOLENOID MP_SENSOR THERMISTOR 2 VIDEO CONTROLLER egl_435a 3/99 www.printcopy.info Wiring Data Xerox DocuPrint P1202 Service Manual...
  • Page 131 Drive Motor System Thermistor Controller Heat Rod Laser Diode Laser Motor Supply Printer Erase Cartridge Lamp (Charge) Laser Harness Bias Not Used BTR Roll Lower Feeder Connector Lower Feeder Harness dp8_030 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Wiring Data...

  • Page 132: Lower Feeder

    6.2.4 Lower Feeder Printer Engine Lower Feeder Harness Lower Feeder Drive Motor Lower Feeder PWB Feed Solenoid * Meter will read approxmately +11.3 VDC 3/99 www.printcopy.info Wiring Data Xerox DocuPrint P1202 Service Manual...

  • Page 133: Wiring Harness

    Pin Number Pin Numbers Pin Number Pin Numbers /CSBY /CMSG /EBSY +5.0 VDC /EXITPAPP +5.0 VDC /EMSG +5.0 VDC /PRINT +5.0 VDC /CCLK /VDATA //RADY /PSYNC /DCU CLOCK /HSYNC /DCU DATA 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Wiring Data...

  • Page 134: Laser Harness

    P1/CN1 Laser Motor Pin 3 PMOTOR P1/CN1 Laser Motor Pin 2 AGND P1/CN1 Laser Motor Pin 1 +24.0 VDC P1/CN1 Erase Lamp Pin 2 +5.0 VDC P1/CN1 Erase Lamp Pin 1 ERASE LAMP 3/99 www.printcopy.info Wiring Data 6-10 Xerox DocuPrint P1202 Service Manual...

  • Page 135: Control Panel Harness

    System Controller Control Panel dp8_076 P4 to J4 P1 to J1 Signal Name Pin Number Pin Numbers +5.0 VDC READY LED PAPER LED MANUAL LED ERROR LED FRONT PANEL KEY 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 6-11 Wiring Data...

  • Page 136: Motor Harness

    J6 Pin Number Signal Name +5.0 VDC /DCU DATA /DCU CLOCK 6.3.6 Thermistor P4 Pin Number Signal Name THERMISTOR THERMISTOR 6.3.7 Heat Rod P102 Pin Number Signal Name LAMP LAMP 3/99 www.printcopy.info Wiring Data 6-12 Xerox DocuPrint P1202 Service Manual...

  • Page 137: Ac Input

    Request to Send (RTS) Transmit Data (TXD) Receive Data (RXD) Date Set Ready (DSR) Ground (GND) Data Terminal Ready 1 (DTR1) Not Connected (NC) Data Terminal Ready 1 (DTR1) Not Connected (NC) 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 6-13 Wiring Data...

  • Page 138: Pwb Layout

    6.4 PWB Layout 6.4.1 System Controller PWB egl_425a 6.4.2 Control Panel PWB egl_423a 3/99 www.printcopy.info Wiring Data 6-14 Xerox DocuPrint P1202 Service Manual...

  • Page 139: Engine Pwb

    6.4.3 Engine PWB egl_424a 6.4.4 Motor Drive PWB egl_426a 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 6-15 Wiring Data...
  • Page 140 This Page Intentionally Left Blank 3/99 www.printcopy.info Wiring Data 6-16 Xerox DocuPrint P1202 Service Manual...

  • Page 141: Repair Analysis Procedures

    RAP 7.8 Image Quality Problems ............7-12 RAP 7.8.1 ..7-12 Image Quality Defect Definitions, Causes and Solutions RAP 7.9 Communications RAP ............7-16 RAP 7.10 SIMM Check-Out Procedure..........7-17 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Analysis Procedures (RAP)

  • Page 142: Rap 7.1 Using Raps

    Controller PWB, Interface Cable, or with the Host Computer. 3/99 www.printcopy.info Repair Analysis Procedures (RAP) Xerox DocuPrint P1202 Service Manual...

  • Page 143: Rap 7.2 Entry Level Rap

    9 The Error LED and Paper LED remain off. Go to RAP 7.6. 10 Three sheets of paper (Status Report, Font List 1, and Font List 2) are delivered to the output 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Analysis Procedures (RAP)
  • Page 144 19 The customer has indicated a problem with the memory SIMM. Go to step 22. 20 Go to RAP 7.10. 21 This is a P1202 printer and a lower feeder is installed. Go to step 24. 3/99 www.printcopy.info Repair Analysis Procedures (RAP) Xerox DocuPrint P1202 Service Manual...
  • Page 145 Port Not Available Communications problem, go to RAP 7.9. Unknown Status Using the DCU, verify the Laser and Fuser operation, replace if necessary (PL 4 ) or (PL 5). 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Analysis Procedures (RAP)

  • Page 146: Rap 7.3 Main Drive Motor

    11 With AC power applied and the Main Drive Motor not running, measure the voltage between pins 3, 4, 5, & 6 and frame ground. The voltage is +24.0 +/- 2.0 VDC on all pins. Replace the Main Drive Motor Assembly (PL 6). 3/99 www.printcopy.info Repair Analysis Procedures (RAP) Xerox DocuPrint P1202 Service Manual...
  • Page 147 21.8 +/- 1.0 VDC Frame Ground 24.4 +/- 2.0 VDC 23.8 +/- 0.5 VDC 21.8 +/- 1.0 VDC Frame Ground 24.4 +/- 2.0 VDC 23.8 +/- 0.5 VDC 21.8 +/- 1.0 VDC 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Analysis Procedures (RAP)

  • Page 148: Rap 7.4 Control Panel

    Go to RAP 7.6. are illuminated Manual LED is Paper Feed/Registration Verify Paper Feed/Registration Sensor Actuator. illuminated. Sensor Actuator Engine PWB (PL 5) Replace the Engine PWB (PL 5). 3/99 www.printcopy.info Repair Analysis Procedures (RAP) Xerox DocuPrint P1202 Service Manual...

  • Page 149: Rap 7.5 Paper Feed

    2 Observe the Pick-Up Assembly. The Pick-Up Assembly rotates. Replace the Pick-Up Assembly (PL 8). 3 Clean or replace as necessary: the Pick-Up Roll (PL 8), the Pick-Up Roll Assembly (PL 8). 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual Repair Analysis Procedures (RAP)

  • Page 150: Rap 7.6 Paper Jam

    Inspect Exit Sensor Actuator. Repair of replace as necessary (PL 5). Using DCU test 08, verify Fuser Exit Sensor is operational. If OK, replace the Engine PWB (PL 7). 3/99 www.printcopy.info Repair Analysis Procedures (RAP) 7-10 Xerox DocuPrint P1202 Service Manual...

  • Page 151: Rap 7.7 Printer Problem

    Laser harness connectors. Both connectors are properly connected and the harnesses are undamaged. Properly connect, repair, or replace as necessary (PL 2). 7 Replace in order: Laser Assembly (PL 4), Engine PWB (PL 7). 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 7-11 Repair Analysis Procedures (RAP)

  • Page 152: Rap 7.8 Image Quality Problems

    6. Replace Engine PWB (PL 7). 7. If deletion repeats every 56.1 mm (2.2 in) Heat Roll or 56.2 mm (2.2in) Pressure Roll, replace the Fuser Assembly (PL 5) 3/99 www.printcopy.info Repair Analysis Procedures (RAP) 7-12 Xerox DocuPrint P1202 Service Manual...
  • Page 153 3. Relocate printer to another location or to another power outlet. 4. Replace the Controller PWB (PL 7). 5. Replace the Engine PWB (PL 7). 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 7-13 Repair Analysis Procedures (RAP)
  • Page 154 2. Verify that all high voltage outputs are to specification (refer to section 5, DCU operation). Clean all high voltage contacts. 3. Replace the Print Cartridge (PL 4). 3/99 www.printcopy.info Repair Analysis Procedures (RAP) 7-14 Xerox DocuPrint P1202 Service Manual...
  • Page 155 The printed image is not parallel 2. Inspect paper transportation system for proper with the sides of the page. operation. Replace worn parts. 3. Inspect/clean/replace Fuser Assembly as necessary (PL 5). 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 7-15 Repair Analysis Procedures (RAP)

  • Page 156: Rap 7.9 Communications Rap

    10 Disconnect and reconnect the host interface cable from the parallel interface port. Inspect for any visual signs of damage to the cable. Replace interface cable if necessary (customer purchased item). Have customer send a print job using another application. 3/99 www.printcopy.info Repair Analysis Procedures (RAP) 7-16 Xerox DocuPrint P1202 Service Manual...

  • Page 157: Rap 7.10 Simm Check-Out Procedure

    Inform the customer that the SIMM appears defective or is not compatible with the printer. A compatible SIMM is a 72 pin, 50ns or faster, no parity. 4 Problem is resolved. Return to the Entry Level RAP and continue. 3/99 www.printcopy.info Xerox DocuPrint P1202 Service Manual 7-17 Repair Analysis Procedures (RAP)
  • Page 158 This Page is Intentionally Left Blank 3/99 www.printcopy.info Repair Analysis Procedures (RAP) 7-18 Xerox DocuPrint P1202 Service Manual...
  • Page 159 Employee No. Location Code Name Date and Revision of Publication Number Title of Publication Publication 720P15700 Xerox DocuPrint P1202 Service Manual 3/99 Description of Error or Deficiency (please be specific) Page No. / Figure No. Please check if answer requested www.printcopy.info...
  • Page 160 Necessary Postage Xerox Corporation PSD&E Mail Stop ESM1-O58 701 S. Aviation Blvd. El Ssgundo, CA. 90245 ATTN: P1202 Developers www.printcopy.info Before stapling please be sure that all information is completed on the reverse side.

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