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Kyocera TASKalfa 2550ci Service Manual
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TASKalfa 2550ci
SERVICE
MANUAL
Published in September 2014
2MVSM06D
Rev.D

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Summary of Contents for Kyocera TASKalfa 2550ci

  • Page 1 TASKalfa 2550ci SERVICE MANUAL Published in September 2014 2MVSM06D Rev.D...
  • Page 2 CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. It may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for proper disposal. ATTENTION IL Y A UN RISQUE D’EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT.
  • Page 3 Revision history Revision Date Replaced pages Remarks 3 April 2012 Cover, 1-2-2, 1-2-3, 1-2-6, 1-2-12 to 1-2-15, 1-2-17, 1-3-2 to 1-3-4, 1-3-6, 1-3-7, 1-3-28, 1-3-29, 1-3-35, 1-3-38, 1-3-39, 1-3-53, 1-3-57 to 1-3-64, 1-3-70, 1-3-76, 1-3-77, 1-3-98, 1-3-124, 1-3-125, 1-3-130, 1-3-134, 1-3-135, 1-3-178, 1-4-12 to 1-4-15, 1-4-23 to 1-4-25, 1-4-30, 1-5-6, 1-5-9, 1-5-11, 1-5-15 to 1-5-18, 1-5-47, 2-2-7, 2-2-8, 2-3-18, 2-4-12, Address...
  • Page 4 This page is intentionally left blank.
  • Page 5 Safety precautions This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers, their machines as well as themselves during maintenance activities. Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities.
  • Page 6 Safety warnings and precautions Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property. These symbols are described below: DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol.
  • Page 7 1. Installation Precautions WARNING • Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check that it is adequate for the rated current...................... •...
  • Page 8 2. Precautions for Maintenance WARNING • Always remove the power plug from the wall outlet before starting machine disassembly....• Always follow the procedures for maintenance described in the service manual and other related brochures............................• Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective circuits.
  • Page 9 • Do not remove the ozone filter, if any, from the copier except for routine replacement....... • Do not pull on the AC power cord or connector wires on high-voltage components when removing them; always hold the plug itself......................•...
  • Page 10 This page is intentionally left blank.
  • Page 11 2MV-8 CONTENTS 1-1 Specifications 1-1-1 Specifications ........................1-1-1 1-1-2 Parts names .......................... 1-1-6 (1) Machine (front side)......................1-1-6 (2) Machine (rear side)......................1-1-8 (3) Operation panel ........................ 1-1-9 1-1-3 Machine cross section ......................1-1-10 1-2 Installation 1-2-1 Installation environment......................1-2-1 1-2-2 Unpacking and installation.....................
  • Page 12 (1) Precautions........................1-5-1 (2) Drum unit .......................... 1-5-1 (3) Toner ..........................1-5-1 (4) How to tell a genuine Kyocera toner container..............1-5-2 1-5-2 Outer covers .......................... 1-5-3 (1) Detaching and refitting the front cover................1-5-3 (2) Detaching and refitting the rear cover ................1-5-5 (3) Detaching and refitting the inner tray................
  • Page 13 2MV-D 1-5-8 Drive section ........................1-5-19 (1) Detaching and refitting the drive unit 1 ................1-5-19 (2) Detaching and refitting the drive unit 2 ................1-5-20 (3) Detaching and refitting the drive unit 3 ................1-5-20 1-5-9 Optical section ........................1-5-21 (1) Detaching and refitting the laser scanner unit ..............
  • Page 14 2MV-D 2-1-9 Document processor ......................2-1-22 (1) Original feed section....................... 2-1-22 (2) Original conveying section....................2-1-24 (3) Original switchback/eject sections.................. 2-1-26 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout ......................2-2-1 (1) PWBs..........................2-2-1 (2) Switches and sensors....................... 2-2-5 (3) Motors..........................2-2-7 (4) Others..........................
  • Page 15 1-1 Specifications 1-1-1 Specifications Machine Item Specifications Type Desktop Printing method Electrophotography by semiconductor laser, tandem (4) drum system Originals Sheet, Book, 3-dimensional objects (maximum original size: A3/Ledger) Original feed system Fixed Cassette 60 to 256 g/m (Duplex: 60 to 220 g/m Paper weight MP tray 60 to 256 g/m...
  • Page 16 2MV-A Item Specifications Continuous copying 1 to 999 sheets Light source White LED Scanning system Flat bed scanning by CCD image sensor Photoconductor OPC drum (diameter 30 mm) Image write system Semiconductor laser: Charging system Contact charger roller method Touch down developing system Developer system Developer: 2-component Toner replenishing: Automatic from the toner container...
  • Page 17 Document processor Item Specifications Original feed method Automatic feed Supported original types Sheet originals Maximum: A3/Ledger Original sizes Minimum : A5/Statement Simplex: 45 to 160 g/m Original weights Duplex : 50 to 120 g/m 50 sheets (50 to 80 g/m ) or less Loading capacity ) or less...
  • Page 18 2MV-9 Printer Item Specifications Color Cassette MP tray Cassette MP tray A4/Letter 25 sheets/min 17 sheets/min 25 sheets/min 17 sheets/min A4R/LetterR 17 sheets/min 14 sheets/min 17 sheets/min 14 sheets/min Printing A3/Ledger 13 sheets/min 10 sheets/min 13 sheets/min 10 sheets/min speed B4/Legal 13 sheets/min 10 sheets/min...
  • Page 19 Scanner Item Specifications Windows XP, Windows Server 2003, Windows Vista, Operating system Windows Server 2008, Windows 7 IBM PC/AT compatible CPU: Celeron 600 MHz or higher System requirements RAM: 128 MB or more HDD free space: 20 MB or more Interface: Ethernet Resolution 600 dpi, 400 dpi, 300 dpi, 200 dpi, 200 ×...
  • Page 20 1-1-2 Parts names (1) Machine (front side) Figure 1-1-1 1. Cassette 9. DP top cover 2. Paper width guides 10. DP paper feed roller 3. Paper length guide 11. DP forwarding roller 4. MP (multi purpose) tray 12. DP separation pully 5.
  • Page 21 Figure 1-1-2 16. Front cover 24. Fuser unit 32. Drum unit /K 17. Duct cover 25. Toner container /Y 33. Developer unit /Y 18. Waste toner box 26. Toner container /C 34. Developer unit /C 19. Right cover 1 27. Toner container /M 35.
  • Page 22 (2) Machine (rear side) OPT2 OPT1 Figure 1-1-3 39. Main power switch 46. Network interface connector 40. Scanner lock lever 47. USB port 41. DP interface connector 48. USB interface connector 42. DF interface connector 49. Option interface slot 2 43.
  • Page 23 (3) Operation panel 16 17 18 19 22 23 24 25 26 27 28 Figure 1-1-4 1. Program key 11. Power key 21. Memory indicator 2. Status/Job cancel key 12. Counter key 22. Numeric keys 3. Copy key 13. Main power indicator 23.
  • Page 24 1-1-3 Machine cross section Light path Paper path Paper path (Option) Figure 1-1-5 1. Cassette 8. Eject section 16. Developer unit /K 2. Cassette paper feed section 9. Duplex/conveyning section 17. Drum unit /Y 10. Image scanner unit (ISU) 18. Drum unit /C 3.
  • Page 25 2MV-A 1-2 Installation 1-2-1 Installation environment 1. Temperature: 10 to 32.5°C/50 to 90.5°F 2. Humidity: 15 to 80% RH 3. Power supply: 120 V AC, 12.0 A 220 - 240 V AC, 7.2 A 4. Power supply frequency: 50 Hz ±2%/60 Hz ±2% 5.
  • Page 26 2MV-1 1-2-2 Unpacking and installation (1) Installation procedure Start Connect the power cord Unpack Installing toner Remove the tapes and spacer Adjusting the image Install the job separator tray Output an own-status report Release the scanner lock lever (maintenance item U000) Install the optional paper feeder Clearing the counter (maintenance item U927)
  • Page 27 2MV-1 Unpacking Figure 1-2-3 1. Skid 11. Pad L 21. Toner container box 2. Hinge joints 12. Pad Front 22. Plastic bag (540 × 950) 3. Bottom pad RF 13. Pad Rear 23. Job separator tray 4. Bottom pad R-Rear 14.
  • Page 28 Remove the tapes and spacer 1. Remove seven tapes. Tape Tape Tape Tape Tape Tape Tape Figure 1-2-4 2. Open the DP top cover. DP top cover 3. Slide two DP original width guides and then remove the pad. 4. Close the DP top cover. DP original width guides Figure 1-2-5 1-2-4...
  • Page 29 5. Open the DP. 6. Remove the protective sheet. Protective sheet Figure 1-2-6 7. Remove the paper. 8. Close the DP. Paper Figure 1-2-7 1-2-5...
  • Page 30 2MV-1 9. Peel off two tapes and then remove the Protective sheet 2 protective sheet 2. 10. Remove the protective sheet 1. Tapes 11. Remove the spacer. Spacer Protective sheet 1 Figure 1-2-8 Install the job separator tray 1. Gently push the job separator tray into Left guide the machine along the guides.
  • Page 31 Release the scanner lock lever 1. Pull the scanner lock lever in the direc- Scanner lock lever tion of the arrow. This will unlock the scanner mechanism. Note: When turning on power if the lock lever is not released, the error message is displayed.
  • Page 32 Load paper Paper 1. Take out the paper preservation bag. preservation bag 2. Pressing the paper width adjusting tab Paper width as shown, move the paper width guides adjusting tab to fit the paper size. Cassette Paper width guides Figure 1-2-12 3.
  • Page 33 Paper 4. Align the paper so that it is abut with the Cassette right end of the cassette. 5. Insert the cassette size plate. 6. Gently push the cassette back in. Cassette size plate Figure 1-2-14 1-2-9...
  • Page 34 Install the toner container 1. Open the front cover. 2. Hold the toner container vertically and tap the upper part five times or more. Turn the toner container upside down and tap the upper part five times or more. Toner container Figure 1-2-15 3.
  • Page 35 4. Shake the toner container approxi- mately five or six times in the horizontal direction to stir toner. Toner container Figure 1-2-17 5. Gently push the toner container into the CLICK! machine. Note: Push the container all the way into the machine until it locks in place. Toner container Figure 1-2-18 1-2-11...
  • Page 36 2MV-1 Attaching the language label (Excluding 240V AC model) 1. Insert a flat-head screwdriver and slide the operation panel covers A and B to remove them. Operation panel cover B Operation panel cover A Figure 1-2-19 Clear panel 2. Remove the clear panel. Figure 1-2-20 Operation 3.
  • Page 37 Switch the cassette heater switch 1. Release the hook and then remove the switch cover. 2. Turn the cassette heater switch on. Note: When the cassette heater is used, it turns it on. 3. Refit the switch cover. Hook Cassette heater switch Switch cover Figure 1-2-22...
  • Page 38 2MV-2 Adjusting the image 1. Performing calibration (See the operation guide for details, or use maintenance mode U464 [Setting the ID correction operation - performing calibration] to conduct this adjustment.) Press the System menu key. Press [Adjustment/Maintenance] and then [Next] of [Calibration]. Press [Execute] to perform Color calibration.
  • Page 39 2MV-2 Output an own-status report (maintenance item U000) 1. Enter the maintenance mode by entering 10871087 using the numeric keys. 2. Enter 000 using the numeric keys and press the start key. 3. Select Maintenance and press the start key to output a list of the current settings of the maintenance items.
  • Page 40 (3) Setting initial copy modes Factory settings are as follows: Maintenance Contents Factory setting item No. U250 Checking/clearing the maintenance cycle U251 Checking/clearing the maintenance counter U252 Setting the destination U253 Double count Switching between double and single counts (A3/Ledger) U260 Selecting the timing for copy counting Eject...
  • Page 41 2MV-1 1-2-1 Option composition DF-470 (500 sheets) (Document finisher) AK-470 (Bridge unit) PF-790 (500 sheets x 2) (Paper feeder) IB-50 (Gigabit ethernet board) Data security kit (E) Internet FAX Kit (A) FAX System (W) MM-16-128 (FAX Option Memory) Card Authentication KIT (B) IC card reader Card reader holder (B) USB key board...
  • Page 42 1-2-3 Installing the key counter (option) (1) Installing directly on the device Key counter installation requires the following parts: Parts Quantity Part.No. 3025418011 Key counter 302A369709 Key counter set 302MV46090 Key counter wire Wire saddle A 7YZM610010++H01 Wire saddle B 7YZM610008++H01 Wire saddle C 7YZM610009++H01...
  • Page 43 Parts Quantity Part.No. 7BC1003055++H01 M3 nut B1B03080 M3 x 8 bronze binding screw B1B54300 M4 x 30 tap-tight S screw B4A04060 M4 x 6 chrome TP screw B4A04100 M4 x 10 chrome TP screw * : Not used in this model. ▲: One piece is used in this model.
  • Page 44 1. Remove two screws of the DP interface connector and then remove the DP interface connector. 2. Remove the DP. Screw 3. Remove seven screws. Screws 4. Pull the rear cover upwards and then DP interface Screw release three hooks. connector Screw 5.
  • Page 45 8. Cut out the aperture plate (right side) on Aperture the right upper cover using nippers. Right upper cover Figure 1-2-26 9. Remove fifteen screws and then remove the controller box cover. Controller box cover Screw Screw Screw Screw Screw Screw Screw Screws...
  • Page 46 10. Remove four wire holders. 11. Remove two connector (YC1 and YC27) from the main PWB. 12. Remove two screws and then remove Wire holder the hard disk. * : Be careful not to give excessive vibra- Connector (YC27) tion and shock to a hard disk for break- Wire holder Connector (YC1) age prevention.
  • Page 47 15. Remove two screws and then remove Screw the ISU rear cover. ISU rear cover Screw Figure 1-2-30 16. Attaches the wire saddle B and the wire saddle C to right upper section of the machine and then release two hooks of the thir.
  • Page 48 Key counter wire 18. Pass the key counter wire through the wire saddle B and the wire saddle C and then pull out from the aperture part. 19. Pass the key counter wire through the Wire saddle C edging. Note: Put a binding band on the front binding band side of the wire saddle C.
  • Page 49 22. Refit the hard disk using two screws. 23. Connect two connectors to the connec- tor (YC1 and YC27) of main PWB. 24. Put the wire in the wire guide and then Wire holder fix it using four wire holders. Connector (YC27) 25.
  • Page 50 Key counter wire 31. Connect the key counter signal cable to the key counter wire. 32. Fit the key counter cover to the M4 x 6 screw machine using the M4 x 6 screw. 33. Fit the rear cover using seven screws.? 34.
  • Page 51 (2) Mounting on the document table Key counter installation requires the following parts Parts Quantity Part.No. 3025418011 Key counter 302A369709 Key counter set 302MV46090 Key counter wire 1902LC0UN1(option) Document table Wire saddle A 7YZM610010++H01 Wire saddle B 7YZM610008++H01 Wire saddle C 7YZM610009++H01 Supplied parts of key counter set (302A369709): Parts...
  • Page 52 Parts Quantity Part.No. B4A04100 M4 x 10 chrome TP screw Supplied parts of document table (1902LC0UN1) Parts Quantity Part.No. Tray stay Tray mount 302LC04600 Tray cover 302LC04710 Tray lower cover Tray retainer 2▲ 302LC04660 Sheet 303NS24410 3CY06030 M4 nut 7▼ 7BB180408H M4 x 8 screw 7BB607410H...
  • Page 53 Procedure 1. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power Key counter M4 x 6 screw cable from the wall outlet.
  • Page 54 Screw 6. Remove two screws and then remove the ISU right cover. 7. Remove the right upper cover. ISU right cover Right upper cover Figure 1-2-39 Ribs 8. Cut out four ribs of the aperture plate (left side) on the right upper cover using nippers.
  • Page 55 9. Remove fifteen screws and then remove the controller box cover. Controller box cover Screw Screw Screw Screw Screw Screw Screw Screws Screw Screws Screw Screw Screw Figure 1-2-41 10. Remove four wire holders. 11. Remove two connector (YC1 and YC27) from the main PWB.
  • Page 56 13. Attaches four wire saddle to the Wire saddles A controller box and four wire saddle to the IH box cover. Then release the hook of all wire saddles. 14. Release the hook of wire saddle A (standard). Wire saddles A IH box cover Controller box Wire saddle A (standard)
  • Page 57 16. Attaches the wire saddle B and the wire saddle C to right upper section of the machine and then release two hooks of the thir. Wire saddle C 17. Attach the edging to the aperture part. Edging Wire saddle B Figure 1-2-45 Key counter wire 18.
  • Page 58 20. Pass the connector of the key counter wire from Below through the aperture in Wire saddle A the controller box and then connect to the connector (YC24) of the video PWB. Key counter wire 21. Fix the key counter wire by using nine wire saddle A.
  • Page 59 ISU right cover 29. Fit the tray stay to the ISU right cover using two screws. Tray stay Key counter wire M4 x 10 screw M4 x 10 screw Aperture Key counter wire Figure 1-2-49 1-2-35...
  • Page 60 30. Snap in the tray mount to the tray stay and fix using two screws. Tray mount Figure 1-2-50 1-2-36...
  • Page 61 31. Cut out the aperture plate on the tray Tray cover cover using nippers. 32. Fit the tray cover to the tray stay using Aperture four screws. M4 x 8 screws M4 x 8 screws Tray cover Figure 1-2-51 33. Fit the key counter cover retainer using M4 x 20 two screws.
  • Page 62 34. Pass the key counter signal cable through the aperture in the document Key counter table. M4 x 6 screw cover 35. Fit the key counter cover to the docu- ment table using the screw. 36. Connect the key counter signal cable to the key counter wire.
  • Page 63 37. Fit the tray lower cover. Note: Install the key counter signal cable and key counter wire so that they are held behind the tray lower cover. Tray lower cover Connector Figure 1-2-54 1-2-39...
  • Page 64 38. Secure the tray lower cover with two pins. Tray lower cover Figure 1-2-55 Sheet 39. Adhere the sheet onto right side of the document table. 40. Fit the rear cover using seven screws.? 41. Put DP on the machine. connect the DP interface connector and then fit using Document two screws.
  • Page 65 1-2-4 Installing the gigabit ethernet board (option) Gigabit ethernet board installation requires the following parts: Parts Quantity Part.No. Gigabit ethernet board 1505JV0UN0 (option) Procedure 1. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch.
  • Page 66 3. Insert the gigabit ethernet board along the groove in OPT2 and secure the board with two pins that have been removed in step 2. Gigabit ethernet Caution: Do not directly touch the giga- board bit ethernet board terminal. Hold the top and bottom of the gigabit ethernet board, or the projection of the board to insert the gigabit ethernet board.
  • Page 67 1-2-5 Installing the IC card reader holder (option) IC card reader holder installation requires the following parts: Parts Quantity Part.No. IC card reader holder 1709AD0UN0 (option) Supplied parts of IC card reader holder (1709AD0UN0): Parts Quantity Part.No. Card reader case Card reader base Card reader mount Card reader tray...
  • Page 68 3. Fit the card reader mount to left upper section of the machine using two pins. Card reader mount Figure 1-2-61 4. Refit the card reader base to card reader mount using the pin removed in step 2. Card reader mount Card reader base...
  • Page 69 5. Fit the card reader tray to the card reader base. Choose the direction of mounting the IC card reader according to the depth of the reader. 10mm to 22mm: Face the mark A upwards. Card reader Less than 10mm: Face the mark B tray upwards.
  • Page 70 IC card reader 6. Route the USB wire of the IC card reader through the aperture of the card reader base and mount the IC card Aperture reader on the card reader base. USB wire Figure 1-2-64 Hooks 7. Hook the two hooks of the card reader case to fit the card reader case to the card reader base.
  • Page 71 8. Fit six clamps. Clamps Clamps Figure 1-2-66 9. Pass the USB wire of the IC card reader Clamps through six clamps and then fasten the wire. IC card reader 10. Connect the USB wire to the machine. Clamps USB wire Figure 1-2-67 1-2-47...
  • Page 72 Enabling IC Card Authentication Precautions To install the optional function, you need the License Key. Please access the designated website of your dealer or service representative, and register “Machine No.” indicated on your machine and “Product ID” indi- cated on the License Certificate supplied with the product to issue the License Key. 1.
  • Page 73 1-3 Maintenance Mode 1-3-1 Maintenance mode The machine is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start Enter “10871087” using Maintenance mode is entered. the numeric keys. Enter the maintenance item number using the cursor up/down keys The maintenance item is selected.
  • Page 74 2MV-9 (2) Maintenance modes item list Item Initial Section Content of maintenance item setting General U000 Outputting an own-status report U001 Exiting the maintenance mode U002 Setting the factory default data U003 Setting the service telephone number U004 Setting the machine number U010 Setting the maintenance mode ID U019 Displaying the firrmware version Initializa-...
  • Page 75 2MV-1 Item Initial Section Content of maintenance item setting Optical 145/145/145 U087 Setting DP reading position modification operation U089 Outputting a MIP-PG pattern 0/0/0/0/0 U099 Adjusting original size detection 50/50/50/50/50/50/50/50/50 0/0/0/0/0 Auto High volt- U100 Setting the main high voltage 0/0/0/0 -/-/-/- 145/145/145/145...
  • Page 76 2MV-7 Item Initial Section Content of maintenance item setting High volt- U108 Setting separation shift bias Ligjt/Normal1 20/20 Normal2/3 10/12 Heavy1 10/10 Coated 10/10 Timing 3/0/0/100 0/0/0/0 U110 Checking the drum count 0/0/0/0 U111 Checking the drum drive time U117 Checking the drum number U118 Displaying the drum history U122 Checking the transfer belt unit number U123 Displaying the transfer belt unit history...
  • Page 77 Item Initial Section Content of maintenance item setting Operation U200 Turning all LEDs on panel and U201 Initializing the touch panel support U202 Setting the KMAS host monitoring system equipment U203 Checking DP operation Off/Coin Vender U204 Setting the presence or absence of a key card or key counter U206 Setting the presence or absence of a coin vender Normal...
  • Page 78 2MV-1 Item Initial Section Content of maintenance item setting Mode set- U250 Checking/clearing the maintenance cycle ting U251 Checking/clearing the maintenance counter U252 Setting the destination Double count U253 Switching between double and single counts (A3/Ledger) Eject U260 Selecting the timing for copy counting U265 Setting OEM purchaser code Mode0 U276 Setting the copy count mode...
  • Page 79 2MV-1 Item Initial Section Content of maintenance item setting Image U425 Setting the target processing Chart1 White 93.6/0.9/-0.4 Black 10.6/-0.2/-0.7 Grav1 76.2/-0.2/1.2 Grav2 25.2/-0.2/-0.2 Grav3 51.3/-0.3/0.3 72.6/-32.8/-11.5 48.1/69.9/-6.1 86.2/-18.6/81.7 46.7/54.2/38.6 67.8/-51.3/48.9 38.8/25.3/-22.8 Adjust Original 5.0/10.0/190.0 Chart2/CCD N875 85.4/0.0/1.1 N475 52.0/-1.3/2.4 N125 21.0/-0.5/2.5 55.2/-29.7/-45.0...
  • Page 80 Item Initial Section Content of maintenance item setting Image U468 Checking the color registration data processing Auto(C) Auto(M) Auto(Y) Manual(C) Manual(M) Manual(Y) U469 Adjusting the color registration Regist U470 Setting the JPEG compression ratio Copy Photo 90/90 Text 90/90 Send Photo 70/90/30/40/51/70/90/30/40/51 Text...
  • Page 81 Item Initial Section Content of maintenance item setting U600 Initializing all data U601 Initializing permanent data U603 Setting user data 1 U604 Setting user data 2 U605 Clearing data U610 Setting system 1 Setting:[Cut Line(100%)] Setting:[Cut Line(Auto)] Setting:[Cut Line(100%)] U611 Setting system 2 Setting:[Adj Lines] Setting:[Adj Lines(A4)] Setting:[Adj Lines(LT)]...
  • Page 82 Item Initial Section Content of maintenance item setting U633 Setting communication control 4 Setting:[V.34] Setting:[DIS 2Res] Setting:[DIS 2Res] Once Setting:[RTN Check] U634 Setting communication control 5 U640 Setting communication time 1 Setting:[Time (One)] Setting:[Time (Cont)] U641 Setting communication time 2 Setting:[T0 Time Out] Setting:[T1 Time Out] Setting:[T2 Time Out]...
  • Page 83 Item Initial Section Content of maintenance item setting 0/0/0/0/0/0 Others U901 Checking copy counts by paper feed locations U903 Checking/clearing the paper jam counts U904 Checking/clearing the call for service counts 0/0/0/0 U905 Checking counts by optional devices U906 Resetting partial operation control U908 Checking the total counter value U910 Clearing the print coverage data 0/0/0/0/0/0/0/0/0/0/0...
  • Page 84 (3) Contents of the maintenance mode items Item No. Description U000 Outputting an own-status report Description Outputs lists of the current settings of the maintenance items and paper jam and service call occurrences. Outputs the event log. Also sends output data to the USB memory. Purpose To check the current setting of the maintenance items, or paper jam or service call occurrences.
  • Page 85 Item No. Description U000 Method: Send to the USB memory 1. Press the power key on the operation panel, and after verifying the main power indicator has gone off, switch off the main power switch. 2. Insert USB memory in USB memory slot. 3.
  • Page 86 Item No. Description U000 Event log Event Log 2011/08/02 15:15 TASKalfa 2550ci Firmware version 2MV_2000.000.000 2011.08.02 [XXXXXXXX] [XXXXXXX] [XXXXXXX] [XXXXXXXX] (12) Paper Jam Log Counter Log Count. Event Descriprions J0100: J4201: C0030: T00: 1876543 0501.01.08.01.01 J0101: J4202: C0070: T01: 166554 4002.01.08.01.01...
  • Page 87 Item No. Description U000 Detail of event log Items Description System version System date Engine soft version Engine boot version Controller BROM version Operation panel mask version Machine serial number Paper Jam Count. Event Remembers 1 to 16 of The total page count Log code (hexadeci- occurrence.
  • Page 88 2MV-9 Item No. Description U000 Items Description Paper Jam (d) Detail of paper type (Hexadecimal) cont. 01: Plain 0A: Color 15: Custom 1 02: Transparency 0B: Prepunched 16: Custom 2 03: Preprinted 0C: Envelope 17: Custom 3 04: Labels 0D: Cardstock 18: Custom 4 05: Bond 0E: Coated...
  • Page 89 2MV-9 Item No. Description U000 Items Description (11) Unknown Toner Count. Item Remembers 1 to 5 The total page count Unknown toner log of occurrence of at the time of the code unknown toner toner empty error (1 byte, 2 categories) detection.
  • Page 90 Item No. Description U000 Service status page (1) Service Status Page 2011/08/02 15:15 Firmware version 2MV_2000.000.000 2011.08.02 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Controller Information (28) FAX Information Slot1/Slot2 (29) Rings (Normal) Memory status (30) Rings (FAX/TEL) Total Size 2.0 GB (31) Rings (TAD) (32) Option DIMM Size 16 MB...
  • Page 91 Item No. Description U000 Service status page (2) Service Status Page 02/08/2011 15:15 Firmware version 2MV_2000.000.000 2011.08.02 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Engine Information Send Information (38) NVRAM Version _1F31225_1F31225 (42) Date and Time 11/08/02 15:15 (39) Scanner Version 2LC_1200.001.089 (43) Address (40) FAX Slot1 FAX BOOT Version...
  • Page 92 2MV-9 Item No. Description U000 Detail of service status page Description Supplement Firmware version System date Engine soft version Engine boot version Operation panel mask version Machine serial number Total memory size Local time zone Report output date Day/Month/Year hour:minute (10) NTP server name (11)
  • Page 93 Item No. Description U000 Description Supplement (26) Cleared date and output date (27) Coverage on the final output page (28) Fax kit information This item is printed only when the fax kit is installed. (29) Number of rings 0 to 15 (30) Number of rings before auto- 0 to 15...
  • Page 94 Item No. Description U000 Description Supplement (42) The last sent date and time (43) Transmission address (44) Destination information (45) Area information (46) Margin settings Top margin/Left margin (47) Margin/Page length/Page width Top margin integer part/Top margin decimal part/ settings Left margin integer part/Left margin decimal part/ Page length integer part/Page length decimal part/ Page width integer part/Page width decimal part...
  • Page 95 2MV-A Item No. Description U000 Description Supplement (63) Media type attributes Weight settings Fuser settings 1 to 28 (Not used: 18, 19, 20) 0: Light 0: High 1: Normal 1 1: Middle * : For details on settings, 2: Normal 2 2: Low refer to MDAT command 3: Normal 3...
  • Page 96 Item No. Description U000 Description Supplement (87) Low coverage setting 0.1 to 100.0 (88) Middle coverage setting 0.1 to 100.0 (89) Data Sanitization information (90) Toner low setting 0: Enabled 1: Disabled (91) Toner low detection level 0 to 100 (%) (92) Drum serial number Black/Cyan/Magenta/Yellow...
  • Page 97 Item No. Description Exiting the maintenance mode U001 Description Exits the maintenance mode and returns to the normal copy mode. Purpose To exit the maintenance mode. Method Press the start key. The normal copy mode is entered. U002 Setting the factory default data Description Restores the machine conditions to the factory default settings.
  • Page 98 Item No. Description U003 Setting the service telephone number Description Sets the telephone number to be displayed when a service call code is detected. Purpose To set the telephone number to call service when installing the machine. Setting 1. Press the start key. The keys to enter the number are displayed on the touch panel.
  • Page 99 Item No. Description U010 Setting the maintenance mode ID Description Sets the maintenance mode ID. Purpose Modify maintenance mode ID for more security. Method 1. Press the start key. Display Description New ID Enter a new 8-digit ID New ID(Reconfirm) Enter a new 8-digit ID (to confirm) Initialize Initialize the ID...
  • Page 100 2MV-1 Item No. Description U019 Displaying the firrmware version Description Displays the part number of the ROM fitted to each PWB. Purpose To check the part number or to decide, if the newest version of ROM is installed. Method 1. Press the start key. The ROM version are displayed. 2.
  • Page 101 2MV-1 Item No. Description U019 Display Description Document processor ROM DP Boot Document processor booting Paper feeder ROM PF Boot Paper feeder booting Bridge ROM AK Boot Bridge booting Document finisher ROM DF Boot Document finisher booting Fax APL1 FAX APL1 Fax Boot1 FAX boot1 Fax IPL1...
  • Page 102 Item No. Description U021 Memory initializing Description Initializes all settings, except those pertinent to the type of machine, namely each counter, ser- vice call history and mode setting. Also initializes backup RAM according to region specification selected in maintenance item U252 Setting the destination. Purpose To return the machine settings to their factory default.
  • Page 103 Item No. Description U024 HDD formatting Description Initializes the hard disk. Purpose To initialize the hard disk when replacing the hard disk after shipping. Caution In addition, the following settings are also initialized by initializing the hard disk. System menu (user login administration, job accounting, address book, one-touch keys and doc- ument box etc.), shortcuts and panel programs When fully formatted, the following pre-installed software are removed.
  • Page 104 Item No. Description U030 Checking the operation of the motors Description Drives each motor. Purpose To check the operation of each motor. Method 1. Press the start key. 2. Select the motor to be operated. 3. Press the start key. The operation starts. Display Description Feed...
  • Page 105 Item No. Description U031 Checking switches and sensors for paper conveying Description Displays the on-off status of each paper detection switch or sensor on the paper path. Purpose To check if the switches and sensors for paper conveying operate correctly. Method 1.
  • Page 106 Item No. Description U032 Checking the operation of the clutches Description Turns each clutch on. Purpose To check the operation of each clutch. Method 1. Press the start key. 2. Select the clutch to be operated. 3. Press the start key. The operation starts. Display Description Feed...
  • Page 107 2MV-1 Item No. Description U034 Adjusting the print start timing Description Adjusts the leading edge registration or center line. Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original. Make the adjustment if there is a regular error between the center lines of the copy image and original.
  • Page 108 Item No. Description U034 5. Change the setting value using the +/- keys or numeric keys. For output example 1, increase the value. For output example 2, decrease the value. Leading edge registration (20 ± 1.5 mm) Correct image Output Output example 1 example 2...
  • Page 109 Item No. Description U034 5. Change the setting value using the +/- keys or numeric keys. For output example 1, increase the value. For output example 2, decrease the value. Center line of printing (within ± 0.5 mm) Correct image Output Output example 1...
  • Page 110 2MV-8 Item No. Description U035 Setting the printing area for folio paper Description Changes the printing area for copying on folio paper. Purpose To prevent cropped images on the trailing edge or left/right side of copy paper by setting the actual printing area for folio paper.
  • Page 111 2MV-1 Item No. Description U051 Adjusting the deflection in the paper Description Adjusts the deflection in the paper at the registration roller. Purpose Make the adjustment if the leading edge of the copy image is missing or varies randomly, or if the copy paper is Z-folded.
  • Page 112 2MV-9 Item No. Description U053 Setting the adjustment of the motor speed Description Performs fine adjustment of the speeds of the motors. Purpose Basically, the setting need not be changed. Modify settings by interlock setting only if faulty images occur. Method 1.
  • Page 113 Item No. Description U061 Checking the operation of the exposure lamp Description Lights the exposure lamp. Purpose To check whether the exposure lamp are turned on. Method 1. Press the start key. 2. Select the item. Display Description The exposure lamp lights 3.
  • Page 114 Item No. Description U065 Adjusting the scanner magnification Description Adjusts the magnification of the original scanning. Purpose Make the adjustment if the magnification in the main scanning direction is incorrect. Make the adjustment if the magnification in the auxiliary scanning direction is incorrect. Caution Adjust the magnification of the scanner in the following order.
  • Page 115 Item No. Description U065 Adjustment: [X Scan Zoom] 1. Change the setting value using the +/- keys or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value. Copy Original Copy example 2 example 1 Figure 1-3-8 2.
  • Page 116 2MV-9 Item No. Description U066 Adjusting the scanner leading edge registration Description Adjusts the scanner leading edge registration of the original scanning. Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original.
  • Page 117 2MV-9 Item No. Description U067 Adjusting the scanner center line Description Adjusts the scanner center line of the original scanning. Purpose Perform this adjustment if there is a unmatching error between the center lines of the copy image and original. Adjustment 1.
  • Page 118 Item No. Description U068 Adjusting the scanning position for originals from the DP Description Adjusts the position for scanning originals from the DP. Performs the test copy at the four scan- ning positions after adjusting. Purpose Used when the image fogging occurs because the scanning position is not proper when the DP is used.
  • Page 119 Item No. Description U070 Adjusting the DP magnification Description Adjusts the DP original scanning speed. Purpose Perform this adjustment if the magnification is incorrect in the auxiliary scanning direction when the DP is used. Adjustment 1. Press the start key. 2.
  • Page 120 Item No. Description U071 Adjusting the DP scanning timing Description Adjusts the DP original scanning timing. Purpose Make the adjustment if there is a regular error between the leading or trailing edges of the origi- nal and the copy image when the DP is used. Method 1.
  • Page 121 Item No. Description U071 Adjustment: Front Tail 1. Change the setting value using the cursor left/right keys or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value. Original Copy Copy example 1 example 2 Figure 1-3-13 2.
  • Page 122 Item No. Description U072 Adjusting the DP center line Description Adjusts the scanning start position for the DP original. Purpose Perform the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used. Adjustment 1.
  • Page 123 Item No. Description U073 Checking the scanner operation Description Simulates the scanner operation under the arbitrary conditions. Purpose To check the scanner operation. This is also done to check the accumulation of dust on the slit glass. Method 1. Press the start key. 2.
  • Page 124 Item No. Description U073 Method: [Home Position] 1. Select [Home Position]. 2. Press the start key. The mirror frame of the scanner moves to the home position. Method: [Dust Check] 1. Select [Dust Check]. 2. Press the start key. The exposure lamp lights. 3.
  • Page 125 2MV-1 Item No. Description U087 Setting DP reading position modification operation Description The presence or absence of dust is determined by comparing the scan data of the original trailing edge and that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP original scanning position is adjusted for the following originals.
  • Page 126 Item No. Description U089 Outputting a MIP-PG pattern Description Selects and outputs the MIP-PG pattern created in the machine. Purpose To check copier status other than scanner when adjusting image printing, using MIP-PG pattern output (with-out scanning). Method 1. Press the start key. 2.
  • Page 127 2MV-4 Item No. Description U099 Adjusting original size detection Description Checks the operation of the original size sensor and sets the sensing threshold value. Purpose To adjust the sensitivity of the sensor and size judgement time if the original size sensor malfunc- tions frequently due to incident light or the like.
  • Page 128 Item No. Description U099 Setting: [B/W Level1] 1. Select an item to be set. 2. Change the setting value using the +/- keys or numeric keys.l Setting Initial Display Description range setting Original R1 Original threshold value for color R (near side) 0 to 255 Original R2 Original threshold value for color R (center)
  • Page 129 2MV-1 Item No. Description U100 Setting the main high voltage Description Controls the charger roller voltage to optimize the surface potential. Purpose To change the setting value to adjust the image if an image failure (background blur, etc.) occurs. Method 1.
  • Page 130 2MV-1 Item No. Description U100 Setting:[Bias] 1. Select an item to be set. 2. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Manual adjustment value (Cyan) 0 to 250 Manual adjustment value (Magenta) 0 to 250 Manual adjustment value (Yellow) 0 to 250...
  • Page 131 2MV-1 Item No. Description U100 Setting:[High Altitude] 1. Select an item to be set. Display Description Mode0 Standard (Factory setting) Mode1 High ground 1 (1500 to 2500 m) Mode2 High ground 2 (2500 m or more) Mode3 High ground 3 (3500 m or more) Initial setting: Mode0 * : MCH compensation is set to "3"...
  • Page 132 2MV-1 Item No. Description U101 Setting the voltage for the primary transfer Description Sets the control voltage for the primary transfer. Purpose To change the setting when any density problems, such as too dark or light, occur. Method 1. Press the start key. 2.
  • Page 133 2MV-1 Item No. Description U101 Setting: [B/W] 1. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Value Correction value -50 to 50 2. Press the start key. The value is set. Supplement While this maintenance item is being executed, copying from an original is available in interrupt copying mode (which is activated by pressing the system menu key).
  • Page 134 2MV-1 Item No. Description U106 Setting the voltage for the secondary transfer Description Sets the control voltage for the secondary transfer. Purpose To change the setting when any density problems, such as too dark or light, occur. Method 1. Press the start key. 2.
  • Page 135 2MV-1 Item No. Description U106 Setting:[OHP/Coated] 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Width<160 width of paper<160 0 to 200 40/59 160<=Width<220 160<= width of paper <220 0 to 200 33/42 220<=Width...
  • Page 136 2MV-1 Item No. Description U107 Setting the voltage for the intermediate transfer cleaning Description Sets the control voltage for the intermediate transfer cleaning. Purpose To change the setting when the offset by a defective cleaning of the transfer belt is generate. Method 1.
  • Page 137 Item No. Description U108 Setting separation shift bias Description Adjusts output of separation shift bias and ON/OFF timing. Purpose To set when the separated malfunction of the paper occurs. Method 1. Press the start key. 2. Select the item. The screen for executing each item is displayed. Display Description Light/Normal1...
  • Page 138 Item No. Description U110 Checking the drum count Description Displays the drum counts for checking. Purpose To check the drum status. Method 1. Press the start key. The current drum counts is displayed. Display Description Drum count value for cyan Drum count value for magenta Drum count value for yellow Drum count value for black...
  • Page 139 Item No. Description U117 Checking the drum number Description Displays the drum number. Purpose To check the drum number. Method 1. Press the start key. The drum number is displayed. Display Description Cyan drum number Magenta drum number Yellow drum number Black drum number Completion Press the stop key.
  • Page 140 Item No. Description U122 Checking the transfer belt unit number Description Displays the number of the transfer belt unit for checking. Purpose To check the number of the transfer belt. Method 1. Press the start key. The current number of the transfer belt is displayed. Completion Press the stop key.
  • Page 141 Item No. Description U127 Checking/clearing the transfer count Description Displays and clears the counts of the transfer counter. Purpose To check the count after replacement of the transfer roller. Also to clear the transfer belt unit or counts after replacing transfer roller. Method 1.
  • Page 142 2MV-1 Item No. Description Setting toner near end detection U136 Description Sets the level that indicates the number of sheets that can be printed from occurrence of toner near end to toner empty. Purpose To change the setting to advance detection of near end if the interval from toner near end to toner empty seems too short.
  • Page 143 Item No. Description U140 Setting developer bias Description Setting the value of various developer bias. Purpose To check and setting the value of developer bias. Method 1. Press the start key. 2. Select the item to be set. Display Description Mag DC Setting the value of magnet DC bias.
  • Page 144 Item No. Description U140 Setting: [On Timing/On Timing] 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Setting the value of cyan. -500 to 500 Setting the value of magenta.
  • Page 145 Item No. Description U150 Checking sensors for toner Description Displays the on-off status of each sensor or switch related to toner. Purpose To check if the sensors and switches operate correctly. Method 1. Press the start key. 2. Select the item. The screen for executing each item is displayed. Display Description Displays the state of the toner sensor.
  • Page 146 Item No. Description U150 Method: [Waste Box] 1. Turn each switch or sensor on and off manually to check the status. When a switch or sensor is detected to be in the ON position, the display for that switch or sensor will be “1”...
  • Page 147 Item No. Description U158 Checking the developer count Description Displays the developer count for checking. Purpose To check the developer unit status. Method 1. Press the start key. The current developer counts is displayed. Display Description Developer count value for cyan Developer count value for magenta Developer count value for yellow Developer count value for black...
  • Page 148 2MV-1 Item No. Description U161 Setting the fuser control temperature Description Changes the fuser control temperature and control temperature correction value and other set values. Purpose Normally no change is necessary. However, this mode can be used to prevent curling or creasing of paper, or solve a fuser problem on thick paper.
  • Page 149 2MV-1 Item No. Description U163 Resetting the fuser problem data Description Resets the detection of a service call code indicating a problem in the fuser section. Purpose To prevent accidents due to an abnormally high fuser temperature. Method 1. Press the start key. 2.
  • Page 150 2MV-7 Item No. Description Checking the fuser count U167 Description Displays the fuser count for checking. Purpose To check the fuser count after replacement of the fuser unit. Method 1. Press the start key. The fuser count is displayed. Display Description Fuser count value Release(Time)
  • Page 151 Item No. Description Displaying fuser heater temperature U199 Description Displays the detected fuser temperature. Purpose To check the fuser temperature. Method 1. Press the start key. The current setting is displayed. Display Description Fix Press Press roller center temperature (°C) Fix Edge Heat roller edge temperature (°C) Fix Center...
  • Page 152 Item No. Description U201 Initializing the touch panel Description Automatically correct the positions of the X- and Y-axes of the touch panel. Purpose To automatically correct the display positions on the touch panel after it is replaced. Method 1. Press the start key. 2.
  • Page 153 Item No. Description U202 Setting the KMAS host monitoring system Description Initializes or operates the KMAS host monitoring system. This is an optional device which is currently supported only by Japanese specification machines, so no setting is necessary. Purpose Performed at installation, periodic maintenance, and/or repair. Method 1.
  • Page 154 Item No. Description U203 Checking DP operation Description Simulates the original conveying operation separately in the DP. Purpose To check the DP operation. Method 1. Press the start key. 2. Place an original in the DP if running this simulation with paper. 3.
  • Page 155 Item No. Description U204 Setting the presence or absence of a key card or key counter Description Sets the presence or absence of the optional key card or key counter. Purpose To run this maintenance item if a key card or key counter is installed. Method 1.
  • Page 156 Item No. Description U206 Setting the presence or absence of a coin vender Description Sets the presence or absence of the optional coin vender. This is an optional device which is currently supported only by Japanese specification machines. Purpose To run this maintenance item if a coin vender is installed. Method 1.
  • Page 157 Item No. Description U206 Setting: [Normal/AD] 1. Select the item of unit price to be set. Display Description Black & White Single color C, M, Y Single color R, G, B Full Color Full color 2. Select the paper size to be set. 3.
  • Page 158 Item No. Description U206 Setting: [Boot Mode] 1. Select the item. Display Description Normal Normal screen Copy Service copy service screen Initial setting: Normal 2. Press the start key. The setting is set. 3. Turn the main power switch off and on. Allow more than 5 seconds between Off and On. Completion Press the stop key.
  • Page 159 Item No. Description U221 Setting the USB host lock function Description Specifies ON/OFF the USB host lock function. Setting this to ON causes the machine to be unable to recognize the device connected to the USB host. Purpose Set according to the preference of the user. Method 1.
  • Page 160 Item No. Description U223 Operation panel lock Description Sets the operation panel lock function. Purpose This is performed to inhibit operating and canceling the system menu on the operation panel which may be done by others then an administrator. Setting 1.
  • Page 161 Item No. Description U224 Install original panel display Description Changes the image data and the message of the opening screen at the machine startup and the image data and the message of the service call screen to user specified data. Purpose Set according to the preference of the user.
  • Page 162 Item No. Description U224 Supplement 2 Displaying start display The pre-installed graphics file is displayed at power on or recovering from sleeping. Graphics display on service call display The pre-installed graphics file is displayed at a service call. How to change the message Entering #562 (4 letters) using the numeric keypad during a service call display will let service call messages 1 and 2.
  • Page 163 Item No. Description U244 Checking the DP switches Description Displays the status of the respective switches in the DP. Purpose To check if the respective switches in the DP operate correctly. Method 1. Press the start key. 2. Turn each switch or sensor on and off manually to check the status. When a switch or sensor is detected to be in the ON position, the display for that switch or sensor will be “1”.
  • Page 164 Item No. Description U250 Checking/clearing the maintenance cycle Description Changes preset values for maintenance cycle and automatic grayscale adjustment. Purpose Provides changing the time when the message to acknowledge to conduct maintenance and automatic grayscale adjustment is periodically displayed. Setting 1.
  • Page 165 Item No. Description U251 Checking/clearing the maintenance counter Description Displays and clears or changes the maintenance count and automatic grayscale adjustment count. Purpose To verify the maintenance counter count and automatic grayscale count. Also to clear the count during maintenance service. Setting 1.
  • Page 166 Item No. Description U252 Setting the destination Description Switches the operations and screens of the machine according to the destination. Purpose To be executed after initializing the backup RAM, in order to return the setting to the value before replacement or initialization. Method 1.
  • Page 167 Item No. Description U253 Switching between double and single counts Description Switches the count system for the total counter and other counters for every color mode. Purpose Used to select, according to the preference of the user (copy service provider), if A3/Ledger paper is to be counted as one sheet (single count) or two sheets (double count).
  • Page 168 Item No. Description U260 Selecting the timing for copy counting Description Changes the copy count timing for the total counter and other counters. Purpose To be set according to user request. Setting 1. Press the start key. 2. Select the copy count timing. Display Description Feed...
  • Page 169 Item No. Description U276 Setting the copy count mode Description Sets the count mode of single color mode. Purpose To change the charging counter which counts up in single color printing. Setting 1. Press the start key. 2. Select the mode. Display Description Mode0...
  • Page 170 2MV-1 Item No. Description U284 Setting 2 color copy mode Description Sets whether to use 2 color copy mode. Purpose According to user request, changes the setting. Setting 1. Press the start key. 2. Select On or Off. Display Description 2 color copy mode is enabled, monochrome count Mono Color 2 color copy mode is enabled, monochrome color count...
  • Page 171 Item No. Description Setting the paper interval U325 Description Determines the interval between pages and the toner replenishment amount when printing pages with high print coverage. Purpose Modify the settings only if a spotted background or uneven density appears when printing pages with high print coverage.
  • Page 172 Item No. Description U326 Setting the black line cleaning indication Description Sets whether to display the cleaning guidance when detecting the black line. Purpose Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the contact glass when scanning from the DP.
  • Page 173 Item No. Description U332 Setting the size conversion factor Description Sets the coefficient of nonstandard sizes in relation to the A4/Letter size. The coefficient set here is used to convert the black ratio in relation to the A4/Letter size and to display the result in user simulation.
  • Page 174 Item No. Description U340 Setting the applied mode Description Allocates memory to ensure that there is sufficient memory available for the printer to use as a working area. Purpose Modify the memory allocation if insufficient memory for transparency support or XPS direct print- ing occurs.
  • Page 175 Item No. Description U341 Specific paper feed location setting for printing function Description Sets a paper feed location specified for printer output. Purpose To use a paper feed location only for printer output. A paper feed location specified for printer output cannot be used for copy output. Method 1.
  • Page 176 Item No. Description U345 Setting the value for maintenance due indication Description Sets when to display a message notifying that the time for maintenance is about to be reached, by setting the number of copies that can be made before the current maintenance cycle ends. When the difference between the number of copies of the maintenance cycle and that of the maintenance count reaches the set value, the message is displayed.
  • Page 177 Item No. Description U402 Adjusting margins of image printing Description Adjusts margins for image printing. Purpose Make the adjustment if margins are incorrect. Adjustment 1. Press the start key. 2. Press the system menu key. 3. Press the start key to output a test pattern. 4.
  • Page 178 Item No. Description U403 Adjusting margins for scanning an original on the contact glass Description Adjusts margins for scanning the original on the contact glass. Purpose Perform the adjustment if margins are incorrect. Adjustment 1. Press the start key. 2. Press the system menu key. 3.
  • Page 179 Item No. Description U404 Adjusting margins for scanning an original from the DP Description Adjusts margins for scanning the original from the DP. Purpose Perform the adjustment if margins are incorrect. Caution Before making this adjustment, ensure that the following adjustments have been made in mainte- nance mode U402 U403...
  • Page 180 Item No. Description U407 Adjusting the leading edge registration for memory image printing Description Adjusts the leading edge registration during memory copying. Purpose Perform the following adjustment if there is a regular error between the leading edge of the copy image on the front face and that on the reverse face during duplex switchback copying.
  • Page 181 Item No. Description U410 Adjusting the halftone automatically Description Carries out processing for the data acquisition that is required in order to perform either auto- matic adjustment of the halftone or the ID correction operation. Also the color table is changed. Purpose Performed when the quality of reproduced halftones has dropped.
  • Page 182 Item No. Description U410 Method: [Setting Table] 1. Select the item. Display Description Table1 Normal color table Table2 Color tables for improving reproduction of characters at black and white printing Table3 More fidelity than Table2 Initial setting: Table1 2. Press the start key. The setting is set. Completion Press the stop key.
  • Page 183 2MV-A Item No. Description U411 Adjusting the scanner automatically Description Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections. Purpose To perform automatic adjustment of various items in the scanner and the DP scanning sections. Perform adjustments using a new test chart (chart 1) when replacing ISC PWB, LED lamp PWB, ISU, DP main PWB.
  • Page 184 2MV-5 Item No. Description U411 To automatically enter the target value 1. Enter the value for [Adjust Original] using maintenance item U425. 2. Set a specified original (P/N: 7505000005) on the platen. 3. Enter maintenance item U411. 4. Select [Target]. 5.
  • Page 185 Item No. Description U411 Display Description Input Executing the adjustment for input gamma and matrix 8. Press the start key. Auto adjustment starts. * : When automatic adjustment has normally completed, [OK] is displayed. If a problem occurs during auto adjustment, error code is displayed and operation stops. Should this happen, determine the details of the problem and repeat the procedure from the begin- ning.
  • Page 186 2MV-5 Item No. Description U411 Method: [DP FaceUp (Chart2)] 1. Measure the leading edge, main scanning, and auxiliary scanning of the specified original (P/ N: 302AC68243) and enter the values by executing maintenance item U425. 2. Set a specified original (P/N: 302AC68243) on the DP. * : When running this test chart, you first must clean the feed rollers with alcohol and ensure the DP width guides are correctly positioned against the original.
  • Page 187 2MV-A Item No. Description U411 Method: [DP Auto Adj] * : When there is no Chart 2 (302AC68243), it performs in simple. 1. Load A4/letter paper. 2. Press the start key to output the original for adjustment. 3. Set the output the original for adjustment and press the start key. 4.
  • Page 188 Item No. Description U411 Error Codes Codes Description DP uxiliary scanning direction skew error Maintenance request error Main scanning direction center line error DP main scanning direction skew error Main scanning direction magnification error Service call error DP paper misfeed error PWB replacement error Original error Input gamma adjustment original error...
  • Page 189 Item No. Description U415 Adjusting the print position automatically Description Automatically adjusts timings at the print engine. Adjustment for leading edge timing, center line and margin. Purpose Used to make respective auto adjustments for the print engine. Method 1. Load A3/ledger paper. 2.
  • Page 190 Item No. Description U425 Setting the target Description Enters the lab values that is indicated of the chart 1 (P/N: 7505000005) or chart 2 (P/N: 302FZ56990) used for adjustment. Purpose Performs data input in order to correct for differences in originals during automatic adjustment. Method 1.
  • Page 191 Item No. Description U425 Setting: [Adjust Original] 1. Measure the distance from the leading edge to the top of black belt 1 of the original at A, B and C. Measurement procedure 1) Measure the distance from the leading edge to the top of black belt 1 of the original at A (30 mm from the left edge), B (148.5 mm from the left edge) and C (267 mm from the left edge), respectively.
  • Page 192 Item No. Description U425 Method: [Chart2] 1. Press the start key. 2. Select the item. Display Description Entering the target values of the chart (P/N: 302FZ56990) used for adjustment Entering the measurement value of the chart (P/N: 302AC68243) used for adjustment Method: [CCD] 1.
  • Page 193 Item No. Description U425 Setting: [Adjust Original] 1. Measure the distance from the left edge to the black belt (a) of the original at A, B and C. Measurement procedure 1) Measure the distance from the edge to the black belt (a) of the original at A (30 mm from the leading edge), B (148.5 mm from the leading edge) and C (267 mm from the leading edge), respectively.
  • Page 194 Item No. Description U425 Setting: [DP] 1. Measure the distance from the leading edge to the black belt (inside) of the original at A. 2. Enter the measured value using the +/- keys or numeric keys in [Lead]. 3. Measure the distance from the left edge to the black belt (inside) of the original at B. 4.
  • Page 195 Item No. Description U429 Setting the offset for the color balance Description Displays and changes the density for each color during copying in the various image quality modes. Purpose To change the balance for each color. Method 1. Press the start key. 2.
  • Page 196 2MV-1 Item No. Description Setting the ID correction operation U464 Description Turns ID correction (calibration) on or off. Also, this determines the duration of calibration and the timing of calibration during printing. Also, this allows individual settings for calibration operation by enabling custom settings.
  • Page 197 2MV-1 Item No. Description Setting: [Bias Target/Gamma Target] U464 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Display Description Setting Initial set- range ting Setting of target (Cyan) 10 to 1000 760/300 Setting of target (Magenta) 10 to 1000...
  • Page 198 Item No. Description U467 Setting the color registration adjustment Description Sets the color registration adjustment. Purpose If color variance is uneven due to a sensor failure, etc., turn this off and temporarily make a man- ual adjustment. Method 1. Press the start key. 2.
  • Page 199 Item No. Description U468 Displaying: [Auto] 1. Select [Auto(1st)], [Auto(2nd)] or [Auto(3rd)]. The current value is displayed. Display Description LSU Out Top Image up-to-date timing LSU Out Left Image optical axis adjustment Magnification(Whole) Correction data of original size magnification in whole Displaying: [Manual] 1.
  • Page 200 Item No. Description U469 Adjusting the color registration Description Performs the color registration correction and transfer belt speed correction. Purpose To perform when replacing the maintenance kit or laser scanner unit. Method * : Be sure to perform U464 Calib before performing this mode. 1.
  • Page 201 Item No. Description U469 Error codes Codes Description Codes Description S001 Patch not detected S004 Original inclination error S002 Original deviation in the main S005 Original type error scanning direction SFFF Scanner other error S003 Original deviation in the auxil- CFFF Controller other error iary scanning direction...
  • Page 202 2MV-1 Item No. Description 1-3-130...
  • Page 203 Item No. Description U470 Setting the JPEG compression ratio Description Sets the compression ratio for JPEG images in each image quality mode. Purpose To change the setting in accordance with the image that the user is copying. For example, in order to soften the coarseness of the image when making copies at over 200% magnification, change the level of compression by raising the value.
  • Page 204 Item No. Description U470 Setting: [Send] 1. Select the item to be set. Display Description Photo Compression ratio in the photo mode Text Compression ratio in the text mode HC-PDF(BG) Compression ratio of high compression PDF(BG) HC-PDF(Char) Compression ratio of high compression PDF(Char) 2.
  • Page 205 Item No. Description Adjusting laser power output U473 Description Adjusts the laser output power for each color. Purpose Enter the exposure density correction data after replacing the laser scanner unit. Setting 1. Press the start key. 2. Select the item to be set. 3.
  • Page 206 2MV-1 Item No. Description U485 Setting the image processing mode Description Sets the detection level for scanning printed matter outputted with the confidential document guard function. Also, sets the process PDF images are rotated. Purpose To change the detection level when the confidential document guard is not printed well for detec- tion in scanning.
  • Page 207 2MV-1 Item No. Description U485 Method:[Color table] 1. Select the item. Display Description Color Table 1 (Prn) Printer color table (Default) Color Table 2 (Prn) Printer color table (Custom) Install Installation of a color table Uninstall Uninstallation of a color table Setting: [Color Table 1 (Prn)/Color Table 2 (Prn)] 1.
  • Page 208 2MV-4 Item No. Description U486 Setting color/black and white operation mode Description When color and B/W documents are mixed, sets operation mode after a color document is detected. Purpose To ensure productivity when copying color and B/W documents in ACS mode, select Mode3. However, selecting Mode3 will increase the maintenance count for cyan, magenta, and yellow color developer units even when there is a B/W original after a color original.
  • Page 209 2MV-4 Item No. Description U486 Details on the modes Figure 1-3-27 1-3-137...
  • Page 210 Item No. Description U600 Initializing all data Description Initializes software switches and all data in the backup data on the FAX control PWB, according to the destination and OEM. Executes the check of the file system, when abnormality of the file system is detected, initializes the file system, communication past record and register setting contents.
  • Page 211 Item No. Description U601 Initializing permanent data Description Initializes software switches on the FAX control PWB according to the destination and OEM. Purpose To initialize the FAX control PWB without changing user registration data. Method 1. Press the start key. 2.
  • Page 212 Item No. Description U604 Setting user data 2 Description Makes user settings to enable the use of the machine as a fax. Purpose Use this if the user wishes to adjust the number of rings that occur before the unit switches into fax receiving mode when fax/telephone auto-select is enabled.
  • Page 213 Item No. Description U610 Setting system 1 Description Makes settings for fax reception regarding the sizes of the fax paper and received images and automatic printing of the protocol list. Method 1. Press the start key. 2. Select the item to be set. Display Description Cut Line(100%)
  • Page 214 Item No. Description U610 Setting:[Cut Line(A4)] Sets the maximum number of lines to be ignored if the received data volume exceeds the record- ing capacity when the data is recorded in the auto reduction mode onto A4R or LetterR paper under the conditions below.
  • Page 215 Item No. Description U611 Setting system 2 Description Sets the number of adjustment lines for automatic reduction. Method 1. Press the start key. 2. Select the item to be set. Display Description Adj Lines Sets the number of adjustment lines for automatic reduction. Adj Lines(A4) Sets the number of adjustment lines for automatic reduction when A4 paper is set.
  • Page 216 Item No. Description U612 Setting system 3 Description Makes settings for fax transmission regarding operation and automatic printing of the protocol list. Method 1. Press the start key. 2. Select the item to be set. Display Description Auto Reduct Selects if auto reduction in the auxiliary direction is to be per- formed.
  • Page 217 Item No. Description U615 Setting system 6 Description Makes settings for fax reception regarding the sizes of the fax paper and received images. Purpose To set the maximum recording width and processing method when 11" width fax paper is loaded on an inch specification machine.
  • Page 218 Item No. Description U625 Setting the transmission system 1 Description Makes settings for the auto redialing interval and the number of times of auto redialing. Purpose Change the setting to prevent the following problems: fax transmission is not possible due to too short redial interval, or fax transmission takes too much time to complete due to too long redial interval.
  • Page 219 Item No. Description U630 Setting communication control 1 Description Makes settings for fax transmission regarding the communication. Method 1. Press the start key. 2. Select the item to be set. Display Description TX Speed Sets the communication starting speed. RX Speed Sets the reception speed.
  • Page 220 Item No. Description U630 Setting:[TX Echo] Sets the period before a DCS signal is sent after a DIS signal is received. Used when problems occur due to echoes at the sender. 1. Select the setting. Display Description Sends a DCS 500 ms after receiving a DIS. Sends a DCS 300 ms after receiving a DIS.
  • Page 221 Item No. Description U631 Setting communication control 2 Description Makes settings regarding fax transmission. Method 1. Press the start key. 2. Select the item to be set. Display Description ECM TX Sets ECM transmission. ECM RX Sets ECM reception. CED Freq Sets the frequency of the CED signal.
  • Page 222 Item No. Description U632 Setting communication control 3 Description Makes settings for fax transmission regarding the communication. Method 1. Press the start key. 2. Select the item to be set. Display Description DIS 4Byte Sets the DIS signal to 4 bytes. Num OF CNG(F/T) Sets the CNG detection times in the fax/telephone auto select mode.
  • Page 223 Item No. Description U633 Setting communication control 4 Description Makes settings for fax transmission regarding the communication. Purpose To reduce transmission errors when a low quality line is used. Method 1. Press the start key. 2. Select the item to be set. Display Description V.34...
  • Page 224 Item No. Description U633 Setting:[DIS 2Res] Sets the number of times to receive the DIS signal to once or twice. Used as one of the correction measures for transmission errors and other problems. 1. Select the setting. Display Description Once Responds to the first signal.
  • Page 225 Item No. Description U640 Setting communication time 1 Description Sets the detection time when one-shot detection is selected for remote switching. (This setting item will be displayed, but the setting made is ineffective.) Sets the detection time when continuous detection is selected for remote switching. (This setting item will be displayed, but the setting made is ineffective.) Method 1.
  • Page 226 Item No. Description U641 Setting communication time 2 Description Sets the time-out time for fax transmission. Purpose To improve transmission performance for international communications mainly. Method 1. Press the start key. 2. Select the item to be set. Display Description T0 Time Out Sets the T0 time-out time.
  • Page 227 Item No. Description U641 Setting:[T2 Time Out] The T2 time-out time decides the following. From CFR signal output to image data reception From image data reception to the next signal reception In ECM, from RNR signal detection to the next signal reception 1.
  • Page 228 Item No. Description U641 Setting:[Tb2 Time Out] In the fax/telephone auto select mode, sets the time to start ringing an operator through the con- nected telephone after receiving a call as a fax machine (see figure 1-3-28). In the fax/telephone auto select mode, change the setting when fax reception is unsuccessful or a telephone fails to receive a call.
  • Page 229 Item No. Description U650 Setting modem 1 Description Sets the G3 cable equalizer. Sets the modem detection level. Purpose Perform the following adjustment to make the equalizer compatible with the line characteristics. To improve the transmission performance when a low quality line is used. Method 1.
  • Page 230 Item No. Description U651 Setting modem 2 Description Sets the modem output level. Sets the DTMF output level of a push-button dial telephone. Purpose Used if problems occur when sending a signal with a push-button dial telephone. Setting 1. Press the start key. 2.
  • Page 231 Item No. Description U660 Setting the NCU Description Makes setting regarding the network control unit (NCU). Purpose To be executed as required. Method 1. Press the start key. 2. Select the item to be set. Display Description Exchange Sets the connection to PBX/PSTN. Dial Tone Sets PSTN dial tone detection.
  • Page 232 Item No. Description U660 Setting:[Busy Tone] When a fax signal is sent, sets whether the line is disconnected immediately after a busy tone is detected, or the busy tone is not detected and the line remains connected until T0 time-out time. Fax transmission may fail due to incorrect busy tone detection.
  • Page 233 Item No. Description U670 Outputting lists Description Outputs a list of data regarding fax transmissions. Printing a list is disabled either when a job is remaining in the buffer or when [Pause All Print Jobs] is pressed to halt printing. Purpose To check conditions of use, settings and transmission procedures of the fax.
  • Page 234 Item No. Description U671 Clear FAX back up data Description The communication history information of fax / Internet fax and the fax transmitting reservation information which are backed up on the FAX control circuit board are cleared. Moreover, memory DIMM is initialized. Purpose It carries out for the prevention from an information leak of backup data.
  • Page 235 Item No. Description U695 FAX function customize Description Sets fax batch transmission ON/OFF. Also changes the print size priority at the time of small size reception. Purpose To be executed as required. Setting 1. Select the item to be set. Display Description FAX Bulk TX...
  • Page 236 Item No. Description U698 Setting the port addressed in maintenance mode Description Configures the port that is addressed in maintenance mode. Purpose To configure the port that is addressed in maintenance mode when the optional dual FAX is installed. It is not required to assign the same settings to both ports. It should be used to assign different settings to each port.
  • Page 237 Item No. Description U699 Setting the software switches Description Sets the software switches on the FAX control PWB individually. Purpose To change the setting when a problem such as split output of received originals occurs. Since the communication performance is largely affected, normally this setting need not be changed.
  • Page 238 Item No. Description U699 <Communication time setting> Item 76543210 T3 timeout setting 76543210 T4 timeout setting (automatic equipment) 76543210 T5 timeout setting 76543210 Time before transmission of CNG (1100 Hz) signal 76543210 T0 timeout setting (manual equipment) 7 Phase C timeout in ECM reception 76543210 Timeout 1 in countermeasures against echo 76543210 Timeout for FSK detection start in V.8 <Modem setting>...
  • Page 239 Item No. Description U901 Checking copy counts by paper feed locations Description Displays or clears copy counts by paper feed locations. Purpose To check the time to replace consumable parts. Also to clear the counts after replacing the con- sumable parts. Method 1.
  • Page 240 Item No. Description U903 Checking/clearing the paper jam counts Description Displays or clears the jam counts by jam locations. Purpose To check the paper jam status. Also to clear the jam counts after replacing consumable parts. Method 1. Press the start key. 2.
  • Page 241 Item No. Description U904 Checking/clearing the call for service counts Description Displays or clears the service call code counts by types. Purpose To check the service call code status by types. Also to clear the service call code counts after replacing consumable parts. Method 1.
  • Page 242 Item No. Description U905 Checking counts by optional devices Description Displays the counts of document processor or document finisher. Purpose To check the use of document processor or document finisher. Method 1. Press the start key. 2. Select the device to be checked. The count of the selected device is displayed. Display Description Counts of document processor...
  • Page 243 2MV-4 Item No. Description U908 Checking the total counter value Description Displays the total counter value. Purpose To check the total counter value. Method 1. Press the start key. The total count value is displayed. Completion Press the stop key. The screen for selecting a maintenance item No. is displayed. U910 Clearing the print coverage data Description...
  • Page 244 Item No. Description U911 Checking copy counts by paper sizes Description Displays the paper feed counts by paper sizes. Purpose To check the counts after replacing consumable parts. Method 1. Press the start key. The screen for the paper feed counts by paper size is displayed. Display Display Description...
  • Page 245 Item No. Description U917 Setting backup data reading/writing Description Retrieves the backup data to a USB memory from the machine; or writes the data from the USB memory to the machine. Purpose Machine information is backed up and restored. Method 1.
  • Page 246 Item No. Description U917 Error Codes Codes Description Codes Description e002 Parameter error e31e User managements error e003 File write error e31f User managements open error e004 File initialization error e320 User managements error e005 File error e321 User managements open error e006 Processing error e322...
  • Page 247 Item No. Description U917 Error Codes Codes Description Codes Description e913 Log file open error d008 File rename error e914 Log file error in writing d009 File open error e915 Directory open error d00a File close error e916 Directory error in reading d00b File reading error e917...
  • Page 248 Item No. Description U920 Checking the copy counts Description Checks the copy counts. Purpose To check the copy counts. Method 1. Press the start key. The current counts are displayed. Display Description Color Copy(H) Count value of full color copy (coverage: high) Color Copy(M) Count value of full color copy (coverage: middle) Color Copy(L)
  • Page 249 Item No. Description U928 Checking machine life counts Description Displays the machine life counts. Purpose To check the machine life counts. Method 1. Press the start key. The current machine life counts is displayed. Display Description Machine life counts Completion Press the stop key.
  • Page 250 Item No. Description U952 Maintenance mode workflow Description The maintenance modes configured in the machine or a USB flash device as a workflow must be executed in succession. Purpose This allows maintenance mode to be preset as a template. Setting 1.
  • Page 251 2MV-B Item No. Description U952 Method: [Execute(USB)] 1. Press the power key on the operation panel, and after verifying the main power indicator has gone off, switch off the main power switch. 2. Insert USB memory in USB memory slot. 3.
  • Page 252 Item No. Description U964 Checking of log Description Sends a log file saved on the HDD to a USB memory. Purpose To transfer a log file saved on the HDD to a USB memory as a means of investigating malfunc- tions.
  • Page 253 Item No. Description U977 Data capture mode Description Store the print data sent to the machine into USB memory. Purpose In case to occur the error at printing, check the print data sent to the machine. Method 1. Press the power key on the operation panel, and after verifying the main power indicator has gone off, switch off the main power switch.
  • Page 254 Item No. Description U985 Displaying the developer history Description Displays the past record of machine number and the developer counter. Purpose To check the count value of machine number and the developer counter. Method 1. Press the start key. 2. Select the color to check. Display Description Cyan developer unit past record...
  • Page 255 Item No. Description U989 HDD Scan disk Description Restores data in the hard disk by scanning the disk. Purpose If power is turned off while accessing to the hard disk is performed, the control information in the hard disk drive may be damaged. Use this mode to restore the data. Method 1.
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  • Page 257 1-4 Troubleshooting 1-4-1 Paper misfeed detection (1) Paper misfeed indication When a paper misfeed occurs, the machine immediately stops copying and displays the jam location on the operation panel. Paper misfeed counts sorted by component can be checked by maintenance item U903. To remove the paper jammed in the machine, open the right cover and pull the cassette out.
  • Page 258 (2) Paper misfeed detection component DPPFS DPOS DPPFS DPRCL DPSBS DPRS DPTS BRCS1 BRCS2 BRCS3 FUPS DUCL PFCL MPSOL PFFS Figure 1-4-2 1-4-2...
  • Page 259 Code Contents Conditions location* 0000 Initial jam The power is turned on when a sensor in the con- veying system is on. 0100 Secondary paper feed Secondary paper feed request given by the con- request time out troller is unreachable. 0101 Waiting for process package Process package won’t be ready.
  • Page 260 Code Contents Conditions location* 0514 Multiple sheets in cassette 4 PF feed sensor (PFFS) does not turn off during paper feed from cassette 4. 0518 Multiple sheets in duplex The registration sensor (RS) does not turn off dur- section ing paper feed from the duplex section. 0519 Multiple sheets in MP tray The registration sensor (RS) does not turn off dur-...
  • Page 261 Code Contents Conditions location* 4111 Fuser pre sensor stay jam The fuser pre sensor (FUPS) does not turn off dur- ing paper feed from cassette 1. 4112 The fuser pre sensor (FUPS) does not turn off dur- ing paper feed from cassette 2. 4113 The fuser pre sensor (FUPS) does not turn off dur- ing paper feed from cassette 3.
  • Page 262 Code Contents Conditions location* 4301 Duplex sensor non arrival The duplex sensor (DUS) does not turn on during paper feed from cassette 1. 4302 The duplex sensor (DUS) does not turn on during paper feed from cassette 2. 4303 The duplex sensor (DUS) does not turn on during paper feed from cassette 3.
  • Page 263 Code Contents Conditions location* 4911 Bridge conveying sensor 1 The bridge conveying sensor 1 (BRCS1) does not stay jam turn off during paper feed from cassette 1. 4912 The bridge conveying sensor 1 (BRCS1) does not turn off during paper feed from cassette 2. 4913 The bridge conveying sensor 1 (BRCS1) does not turn off during paper feed from cassette 3.
  • Page 264 Code Contents Conditions location* 6113 DF paper conveying sensor The paper conveying sensor (PCS) does not turn stay jam off within the specified time of its turning on. 6123 DF paper conveying sensor The paper conveying sensor (PCS) does not remaining jam turned on when the power is turned on or the cover is closed.
  • Page 265 Code Contents Conditions location* 9004 DP original switchback jam During duplex switchback scanning, the DP regis- tration sensor (DPRS) does not turn on within specified time of the DP timing sensor (DPTS) turning off. 9010 DP open The DP is opened during original feeding. Sensor in the conveying system is on when the power is turned on or the cover is closed.
  • Page 266 1-4-2 Self-diagnostic function (1) Self-diagnostic function This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print- ing and display an error message on the operation panel. An error message consists of a message prompting a contact with service personnel and a four-digit error code indicating the type of the error.
  • Page 267 Check procedures/ Code Contents Causes corrective measures 0170 Billing counting error Data in the Contact the Service Administrative Division. A checksum error is detected EEPROM . in the main and engine Defective PWB. Replace the main PWB or the engine PWB backup memories for the bill- and check for correct operation ing counters.
  • Page 268 2MV-1 Check procedures/ Code Contents Causes corrective measures 0800 Image processing error Defective main Replace the main PWB and check for cor- The JAM100 fee counter is PWB. rect operation (see page 1-5-43). continuously generated. 0830 FAX control PWB flash pro- Defective FAX soft- Install the fax software.
  • Page 269 2MV-1 Check procedures/ Code Contents Causes corrective measures 1010 Lift motor 1 error Defective bottom Check to see if the bottom plate can move After cassette 1 is inserted, plate elevation smoothly and repair any problem that is the lift sensor 1 does not turn mechanism in the found.
  • Page 270 2MV-C Check procedures/ Code Contents Causes corrective measures 1030 PF lift motor 1 error Defective bottom Check to see if the bottom plate can move (paper feeder) plate elevation smoothly and repair it if any problem is After cassette 3 is inserted, mechanism in the found.
  • Page 271 2MV-1 Check procedures/ Code Contents Causes corrective measures 1900 Paper feeder EEPROM error Defective PWB. Replace the PF main PWB (Refer to the ser- When writing the data, the vice manual of the paper feeder). write data and the read data is Device damage of Contact the Service Administrative Division.
  • Page 272 Check procedures/ Code Contents Causes corrective measures 2112 Developer motor YCM Defective connec- Reinsert the connector. Also check for conti- startup error tor cable or poor nuity within the connector cable. If neces- Developer motor YCM is not contact in the con- sary, replace the cable.
  • Page 273 Check procedures/ Code Contents Causes corrective measures 2211 Drum motor K startup error Defective connec- Reinsert the connector. Also check for conti- Drum motor K is not stabilized tor cable or poor nuity within the connector cable. If none, within 3 s since the motor is contact in the con- replace the cable.
  • Page 274 Check procedures/ Code Contents Causes corrective measures 2500 Conveying motor 2 steady- Defective connec- Reinsert the connector. Also check for conti- state error tor cable or poor nuity within the connector cable. If none, The rated speed signal contact in the con- replace the cable.
  • Page 275 2MV-C Check procedures/ Code Contents Causes corrective measures 2600 PF drive motor error Defective connec- Reinsert the connector. Also check for conti- (paper feeder) tor cable or poor nuity within the connector cable. If none, When the PF drive motor is contact in the con- replace the cable.
  • Page 276 Check procedures/ Code Contents Causes corrective measures 3220 Exposure lamp error Defective connec- Reinsert the connector. Also check for conti- When the white standard data tor cable or poor nuity within the connector cable. If none, at the time of an initial is lower contact in the con- replace the cable.
  • Page 277 Check procedures/ Code Contents Causes corrective measures 4001 Polygon motor (K) steady- Defective connec- Reinsert the connector. Also check for conti- state error tor cable or poor nuity within the connector cable. If none, The rated speed signal contact in the con- replace the cable.
  • Page 278 Check procedures/ Code Contents Causes corrective measures 4011 Polygon motor (K) startup Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, Polygon motor (K) is not stabi- contact in the con- replace the cable.
  • Page 279 2MV-1 Check procedures/ Code Contents Causes corrective measures 4101 BD initialization problem (K) Defective connec- Reinsert the connector. Also check for conti- BD is not detected within two tor cable or poor nuity within the connector cable. If none, seconds after the polygon contact in the con- replace the cable.
  • Page 280 2MV-1 Check procedures/ Code Contents Causes corrective measures 4104 BD initialization problem (Y) Defective connec- Reinsert the connector. Also check for conti- BD is not detected within two tor cable or poor nuity within the connector cable. If none, seconds after the polygon contact in the con- replace the cable.
  • Page 281 2MV-1 Check procedures/ Code Contents Causes corrective measures 6000 Broken fuser heater wire Defective connec- Reinsert the connector. Also check for conti- Fuser thermistor 2 does not tor cable or poor nuity within the connector cable. If none, reach 80° C/176 °F even contact in the con- replace the cable.
  • Page 282 Check procedures/ Code Contents Causes corrective measures 6040 NC sensor error Deformed connec- If the I/F connector pins of the fuser unit and tor pin. the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the con- nectors.
  • Page 283 Check procedures/ Code Contents Causes corrective measures 6150 Abnormally low fuser Deformed connec- If the I/F connector pins of the fuser unit and thermistor 3 (press roller) tor pin. the main unit are deformed owing to foreign temperature matters, such as paper dusts, replace the The fuser temperature lower connectors or the units including the con- than 30 °C/86 °F is detected...
  • Page 284 Check procedures/ Code Contents Causes corrective measures 6230 Fuser thermistor 1 (edge) Defective connec- Reinsert the connector. Also check for conti- break error tor cable or poor nuity within the connector cable. If none, During warming up a hearter, contact in the con- replace the cable.
  • Page 285 2MV-8 Check procedures/ Code Contents Causes corrective measures 6720 Belt rotation error (IHPWB) Defective PWB. Replace the IH PWB and check for correct operation (see page 1-5-53). Defective fuser Replace the fuser motor. motor. Defective fuser Replace the fuser unit (see page 1-5-18). unit.
  • Page 286 2MV-8 Check procedures/ Code Contents Causes corrective measures 6930 IH related cooling fan motor Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, The alarm signal was contact in the con- replace the cable.
  • Page 287 2MV-8 Check procedures/ Code Contents Causes corrective measures 6990 Fuser unit type mismatch Defective PWB. Replace the IH PWB and check for correct problem operation (see page 1-5-53). Absence of the fuser unit is detected. Defective Devel- 7101 Replace the developer unit K Toner sensor K error oper unit.
  • Page 288 Check procedures/ Code Contents Causes corrective measures 7402 Developer unit C type mis- Defective connec- Reinsert the connector. Also check for conti- match error tor cable or poor nuity within the connector cable. If none, Absence of the developer unit contact in the con- replace the cable.
  • Page 289 Check procedures/ Code Contents Causes corrective measures Drum unit Y type mismatch 7414 Drum unit connec- Reinsert the drum unit Y connector if neces- problem tor inserted incor- sary. Absence of the drum unit Y is rectly. detected. Different type of Install the correct drum unit the drum unit is (see page 1-5-16).
  • Page 290 Check procedures/ Code Contents Causes corrective measures 7800 Broken external thermistor Defective connec- Reinsert the connector. Also check for conti- wire tor cable or poor nuity within the connector cable. If none, The external thermistor deliv- contact in the con- replace the cable.
  • Page 291 Check procedures/ Code Contents Causes corrective measures 7903 Drum unit M EEPROM error Poor contact in the Reinsert the connector. Also check for conti- No response is issued from connector termi- nuity within the connector cable. If none, the device in reading/writing nals.
  • Page 292 Check procedures/ Code Contents Causes corrective measures 7912 Developer unit C EEPROM Poor contact in the Reinsert the connector. Also check for conti- error connector termi- nuity within the connector cable. If none, No response is issued from nals. replace the cable. the device in reading/writing Developer unit (C) and drum connect for 5 ms or more and this...
  • Page 293 Check procedures/ Code Contents Causes corrective measures 8030 Tray upper limit detection Defective connec- Reinsert the connector. Also check for conti- problem (document fin- tor cable or poor nuity within the connector cable. If none, isher) contact in the con- replace the cable.
  • Page 294 Check procedures/ Code Contents Causes corrective measures 8210 Stapler problem (document Defective connec- Reinsert the connector. Also check for conti- finisher) tor cable of staple nuity within the connector cable. If none, Jam 7013 or 7023 is indi- or poor contact in replace the cable.
  • Page 295 Check procedures/ Code Contents Causes corrective measures 8350 Roller motor problem (doc- Defective connec- Reinsert the connector. Also check for conti- ument finisher) tor cable or poor nuity within the connector cable. If none, The roller sensor does not contact in the con- replace the cable.
  • Page 296 2MV-A Check procedures/ Code Contents Causes corrective measures 8830 Bridge communication Defective connec- Reinsert the connector. Also check for conti- error (document finisher) tor cable or poor nuity within the connector cable. If none, A communication error is contact in the con- replace the cable.
  • Page 297 2MV-A Check procedures/ Code Contents Causes corrective measures 9060 DP EEPROM error Defective PWB. Replace the DP main PWB and check for Mismatch between writing correct operation (see page 1-5-41). data and reading data occurs Device damage of Contact the Service Administrative Division. three times successively.
  • Page 298 2MV-C Check procedures/ Code Contents Causes corrective measures 9150 Sensor error in coin vender Coin jam in the Check visually and remedy. change (Yen 500) change tube Change is empty despite Poor contact in the Check if the change empty sensor is intact. change is enough.
  • Page 299 2MV-C Check procedures/ Code Contents Causes corrective measures Machine recovery error 9530 1. Reattach the parts below in case of PWBs 9540 The machine may not be replacing 2 or more of them at the same recovered or may have trou- time.
  • Page 300 1-4-3 Image quality problems If the part causing the problem is not designated as a service part, replace with the assembly comprising the part. (1) No image (2) No image (3) Image is too (4) The back- (5) White streaks appears (entirely appears (entirely light.
  • Page 301 (1) No image appears (entirely white). Print example Causes Check procedures/corrective measures Defective Defective connector cable Reinsert the connector. Also check for conti- transfer or poor contact in the con- nuity of the connector cable. If necessary, bias output. nector. replace the cable.
  • Page 302 (3) Image is too light. Print example Causes Check procedures/corrective measures Defective Defective connector cable Reinsert the connector. Also check for conti- transfer or poor contact in the con- nuity within the connector cable. If none, charger out- nector. replace the cable. put.
  • Page 303 (6) Black streaks are printed vertically. Print example Causes Check procedures/corrective measures Dirty contact glass. Clean the contact glass. Dirty slit glass. Clean the slit glass. Dirty or flawed drum. Perform the drum refresh operation. Flawed drum. Replace the drum unit (see page 1-5-16). Deformed or worn cleaning Replace the drum unit (see page 1-5-16).
  • Page 304 (9) Spots are printed. Print example Causes Check procedures/corrective measures Dirty contact glass. Clean the contact glass. Dirty or flawed drum. Perform the drum refresh operation. Flawed drum. Replace the drum unit (see page 1-5-16). Deformed or worn cleaning Replace the drum unit (see page 1-5-16). blade in the drum unit.
  • Page 305 (13) Paper is wrinkled. Print example Causes Check procedures/corrective measures Paper curled. Check the paper storage conditions. Paper damp. Check the paper storage conditions. Defective pressure springs. Replace the fuser unit (see page 1-5-18). (14) Image is off-set. Print example Causes Check procedures/corrective measures Deformed or worn cleaning...
  • Page 306 (17) Image is out of focus. Print example Causes Check procedures/corrective measures Defective image scanning Replace the image scanning unit (see page 1-5-22). unit. Drum condensation. Perform the drum refresh operation. (18) Image center does not align with the original center. Print example Causes Check procedures/corrective measures...
  • Page 307 1-4-4 Electric problems If the part causing the problem s not designated as a service part, replace with the assembly comprising the part. Troubleshooting to each failure must be made in the order of the numbered Problems. Problem Causes Check procedures/corrective measures 1.
  • Page 308 Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the ID Shutter motor cable or poor con- connector cable. If none, replace the cable. does not operate. tact in the connector. ID Shutter motor and engine connect PWB (YC17) engine connect PWB and engine PWB (YC9) 2.
  • Page 309 2MV-8 Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the Developer fan cable or poor con- connector cable. If none, replace the cable. motor 2/3 does not tact in the connector. Developer fan motor 2/3 and engine connect PWB (YC6) operate.
  • Page 310 Problem Causes Check procedures/corrective measures (15) 1. Defective connector Reinsert the connector. Also check for continuity within the Paper feed clutch 1 cable or poor con- connector cable. If none, replace the cable. does not operate. tact in the connector. Paper feed clutch 1 and engine PWB (YC2) 2.
  • Page 311 Problem Causes Check procedures/corrective measures (21) 1. Defective connector Reinsert the connector. Also check for continuity within the Developer stop cable or poor con- connector cable. If none, replace the cable. clutch does not tact in the connector. Developer stop clutch and engine PWB (YC3) operate.
  • Page 312 Problem Causes Check procedures/corrective measures (26) 1. Defective connector Reinsert the connector. Also check for continuity within the The message cable or poor con- connector cable. If none, replace the cable. requesting paper to tact in the connector. MP paper sensor and engine PWB (YC5) be loaded is shown 2.
  • Page 313 Problem Causes Check procedures/corrective measures (31) 1. Defective connector Reinsert the connector. Also check for continuity within the The LED lamp cable or poor con- connector cable. If none, replace the cable. does not turn on tact in the connector. DP original sensor and DP main PWB (YC3) when original is DP main PWB (YC1) and engine PWB (YC18)
  • Page 314 Problem Causes Check procedures/corrective measures (35) 1. Defective connector Reinsert the connector. Also check for continuity within the DP paper feed cable or poor con- connector cable. If none, replace the cable. clutch does not tact in the connector. DP paper feed clutch and DP main PWB (YC8) operate.
  • Page 315 1-4-5 Mechanical problems If the part causing the problem was not supplied, use the unit including the part for replacement. Problem Causes/check procedures Corrective measures Check if the surfaces of the following roll- Clean with isopropyl alcohol. No primary paper ers are dirty with paper dusts.
  • Page 316 Problem Causes/check procedures Corrective measures Check if the rollers, pulleys and gears Grease the bushes and gears. Abnormal noise is operate smoothly. heard. Check if the following clutches are Check visually and remedy if necessary. installed correctly. Paper feed clutch Mid clutch Registration clutch Duplex clutch...
  • Page 317 1-4-6 Send error code This section describes the scanning errors and descriptions, preventive actions, as well as corrective actions. Error codes not described here could fall within software errors. If such an error is encountered, turn power off then on, and advise the service representative. (1) Scan to SMB error codes Code Contents...
  • Page 318 (2) Scan to FTP error codes Code Contents Check procedures/corrective measures 1101 FTP server does not exist on the net- 1. Check the FTP server name. work. 2. Confirm device's network parameters. 3. Confirm the parameters of the network to which the device is connected are correct.
  • Page 319 Code Contents Check procedures/corrective measures 2231 Connection with the FTP server has 1. Confirm device's network parameters. failed. 2. Confirm the network parameters the device is con- (FTPS communication) nected. 3101 FTP server responded with an error. 1. Confirm device's network parameters. 2.
  • Page 320 (3) Scan to E-mail error codes Code Contents Check procedures/corrective measures 1101 SMTP/POP3 server does not exist on 1. Check the SMTP/POP3 server name. the network. 2. Confirm device's network parameters. 3. Confirm the parameters of the network to which the device is connected are correct.
  • Page 321 Code Contents Check procedures/corrective measures 4803 Failed to establish the SSL session. 1. Verify the self certificate of the device. 2. Check the server certificate of the SMTP/POP3 server. 3. Check the SMTP/POP3 configuration of the device and the SMTP/POP3 server. 1-4-65...
  • Page 322 1-4-7 Error codes (1) Error code Error codes are listed on the communication reports, activity report, etc. The codes consist of an error code indication U followed by a 5-digit number. (Error codes for V34 communication errors start with an E indica- tion, followed by five digits.) The upper three of the five digits indicate general classification of the error and its cause, while the lower two indicate the detailed classification.
  • Page 323 (2) Table of general classification Error code Description U00000 No response or busy after the set number of redials. U00100 Transmission was interrupted by a press of the stop/clear key. U00200 Reception was interrupted by a press of the stop/clear key. U00300 Recording paper on the destination unit has run out during transmission.
  • Page 324 Error code Description U03300 In polling reception from a unit of our make, operation was interrupted due to a mismatch in permit ID or telephone number. Or, in interoffice subaddress-based bulletin board reception, operation was interrupted due to a mismatch in permit ID or telephone num- ber.
  • Page 325 Error code Description U12000 Relay broadcast was requested from a command station but memory overflowed during reception. Or, in subaddress-based relay reception, memory overflowed. U12100 Relay was commanded but memory overflowed in the destination unit (relay station). U14000 Memory overflowed during confidential reception. Or, in subaddress-based confidential reception, memory overflowed.
  • Page 326 (2-1) U004XX error code table: Interrupted phase B Error code Description U00420 A relay request was received from the host center but interrupted because of a mismatch in permit ID or telephone number. U00421 Subaddress-based relay reception was interrupted because of a mismatch in the speci- fied subaddress relay box number.
  • Page 327 (2-2) U006XX error code table: Problems with the unit Error code Description U00600 The document processor cover is open. U00601 Document jam or the document length exceeds the maximum. U00602 Image scanning section problem. U00603 No document feed. U00604 Document length exceeded the limit of the bitmap memory capacity. U00610 Recording section cover is open.
  • Page 328 (2-5) U010XX error code table: G3 transmission Error code Description U01000 An FTT signal was received for a set number of times after TCF signal transmission at 2400 bps. Or, an RTN signal was received in response to a Q signal (excluding EOP) after transmission at 2400 bps.
  • Page 329 Error code Description U01040 A DCN or other inappropriate signal was received during standby for DIS signal recep- tion. U01041 A DCN signal was received after transmission of a DNL (MPS or EOM) signal (between units of our make). U01042 A DCN signal was received after transmission of a DCS, TCF signal.
  • Page 330 (2-6) U011XX error code table: G3 reception Error code Description U01100 Function of the unit differs from that indicated by a DCS signal. U01101 Function of the unit (excl. communication mode select) differs from that indicated by an NSS signal. U01102 A DTC (NSC) signal was received when no transmission data was in the unit.
  • Page 331 Error code Description U01152 A DCN signal was received after transmission of a CTR signal (ECM). U01153 A DCN signal was received after transmission of an ERR signal (ECM). U01154 A DCN signal was received after transmission of an RNR signal (ECM). U01155 A DCN signal was received after transmission of an SPA signal (short protocol).
  • Page 332 (2-8) U018XX error code table: V.34 reception Error code Description U01800 A communication error occurred in phase 2 (line probing). U01810 A communication error occurred in phase 3 (primary channel equivalent device training). U01820 A communication error occurred in phase 4 (modem parameter exchange). U01821 Operation was interrupted due to the absence of a common communication speed between units.
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  • Page 334 1-5 Assembly and disassembly 1-5-1 Precautions for assembly and disassembly (1) Precautions Before starting disassembly, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. Unplug the power cable from the wall outlet. When the fax kit is installed, be sure to disconnect the modular code before starting disassembly.
  • Page 335 A black-colored band when seen through the left side window ( A shiny or gold-colored band when seen through the right side window ( The above will reveal that the toner container is a genuine Kyocera branded toner container, otherwise, it is a counterfeit.
  • Page 336 1-5-2 Outer covers (1) Detaching and refitting the front cover Procedures 1. Remove the cassette. (See page 1-5-9) 2. Open the front cover. Front cover Figure 1-5-3 3. Unhitch the straps by squeezing the Strap Strap hooks inward as shown. Hooks Hooks Figure 1-5-4...
  • Page 337 4. Remove two fulcrum axes of the front Fulcrum section Fulcrum section cover. 5. Remove the front cover. Fulcrum axis Fulcrum axis Front cover Figure 1-5-5 1-5-4...
  • Page 338 2MV-4 (2) Detaching and refitting the rear cover Procedures 1. Remove the power cord. If the document finisher is installed, remove its interface connector. 2. Remove two screws of the DP interface Screw connector and then remove the DP interface connector. Screws DP interface 3.
  • Page 339 2MV-1 (3) Detaching and refitting the inner tray Procedures Lock lever 1. Release the lock lever and then remove the job separator tray. ATTENTION: When refitting the Job separator tray, are cautious of the posi- tion of a paper guide. Job separator tray Paper guide Figure 1-5-7...
  • Page 340 9. Release the hook of the front upper cover. 10. Tilt the front upper cover forward. Hook Front upper cover Figure 1-5-9 11. Remove the inner tray. Inner tray Figure 1-5-10 1-5-7...
  • Page 341 (4) Detaching and refitting the eject rear cover Procedures 1. Release two hooks by using a flat screwdriver and then remove the tray Tray left cover left cover. Hooks Flat screwdriver Figure 1-5-11 2. Remove the eject rear cover. Eject rear cover Figure 1-5-12 1-5-8...
  • Page 342 2MV-1 1-5-3 Paper feed section (1) Detaching and refitting the primary paper feed unit Procedures 1. Remove the cassette. Cassette Figure 1-5-13 2. Release the paper feed lever and then Paper feed lever remove the primary paper feed unit. 3. Check or replace the primary paper feed unit and refit all the removed parts.
  • Page 343 (2) Detaching and refitting the MP paper feed roller and MP separation pad Procedures 1. Open the right cover 1. Right cover 1 Figure 1-5-15 2. While squeezing the holder inward, remove the MP paper feed roller. Holders MP paper feed roller Figure 1-5-16 1-5-10...
  • Page 344 2MV-1 3. Tilt the MP separation pad forward and then remove it upwards. 4. Check or replace the MP paper feed roller and MP separation pad and refit all the removed parts. 5. When replacing the new parts,proceed as follows: MP separation pad 1)Performs maintenance mode U901 (Checking copy counts by paper feed...
  • Page 345 (3) Detaching and refitting the registration roller Procedures 1. Open the right cover 1. 2. Remove the transfer roller unit. Registration roller right (See page 1-5-17) 3. Remove two springs at the front and back of the registration roller right. 4.
  • Page 346 (5) Detaching and refitting the MP tray Procedures 1. Open the right cover 1. 2. Remove the MPF wire cover and then remove the connector. 3. Close the right cover 1. MPF wire cover Connector Right cover 1 Figure 1-5-20 4.
  • Page 347 1-5-4 Developing section (1) Detaching and refitting the developing unit Procedures 1. Open the front cover. 2. Release the lock lever and then remove the waste toner box. Waste toner box Lock lever Figure 1-5-22 3. Turn the lock lever to the right using a Coin coin and then knock down the duct cover forwards.
  • Page 348 2MV-1 4. Lift the lever and turn the duct holder Lever upwards. Duct holder Figure 1-5-24 5. Push the lock lever of the developer unit upwards and then remove the developer unit. 6. Check or replace the developer unit and refit all the removed parts.
  • Page 349 2MV-1 1-5-5 Drum section (1) Detaching and refitting the drum unit Procedures 1. Open the front cover. 2. Release the waste toner box. (See page 1-5-14) 3. Turn the lock lever to the right and then knock down the duct cover forwards. (See page 1-5-15) 4.
  • Page 350 2MV-1 1-5-6 Transfer/separation section (1) Detaching and refitting the intermediate transfer unit Procedures 1. Open the right cover 1. Knobs A 2. Pull the intermediate transfer unit for- wards by holding two knobs A. Intermediate 3. .Change to the knob B from the knob A transfer unit and then remove the intermediate transfer unit.
  • Page 351 2MV-1 1-5-7 Fuser section (1) Detaching and refitting the fuser unit Procedures Mount lever 1. Open the right cover 1. 2. Release two mount levers and then pull the fuser unit forwards Right cover 1 Fuser unit Figure 1-5-30 3. Grip two knobs of the fuser unit. Knobs Fuser unit 4.
  • Page 352 1-5-8 Drive section (1) Detaching and refitting the drive unit 1 Procedures 1. Remove the rear cover. Connector (See page 1-5-5) Drive unit 1 2. Remove the connector. 3. Remove four screws and then remove the drive unit 1. 4. Check or replace the drive unit 1 and refit all the removed parts.
  • Page 353 (2) Detaching and refitting the drive unit 2 Procedures Connectors 1. Remove the rear cover. (See page 1-5-5) Connector 2. Remove five connectors. 3. Remove four screws and then remove the drive unit 2. 4. Check or replace the drive unit 2 and refit all the removed parts.
  • Page 354 2MV-7 1-5-9 Optical section (1) Detaching and refitting the laser scanner unit Procedures 1. Remove the cassette. (See page 1-5-9) 2. Remove the rear cover and left lower cover.(See page 1-5-5,1-5-6) 3. Remove two connectors. 4. Remove four screws and then remove the laser scanner unit assy by pulling it forwards.
  • Page 355 2MV-7 (2) Checks and adjusts the assembly frame of LSU unit Procedures 1. Performe maintenance mode U034 (Adjusting the print start timing). 2. Select [LSU OUT TOP] or [LSU OUT LEFT]. *: The screen for executing each item is displayed. 3.
  • Page 356 2MV-7 (3) Color registration adjustment Follow the Procedures below to replace the laser scanner unit. Procedures 1. Press the system menu key. 2. Press [Adjustment/Maintenance], [Color Registration]. Auto correction 3. Press [Auto] and then [Start]. A chart is printed. 4. Place the printed chart as the original and then [Start]. Color registration begins. Chart for adjustment Figure 1-5-40 Manual correction...
  • Page 357 2MV-7 8. Press [Chart] and [Print] to print a chart. 9. Verify that each scale is within the range of 1to A. If they are within the range, proceed to step 10. If scales are out of range, repeat steps 6 through 9.
  • Page 358 2MV-7 12. Open the front cover and then pull out the waste toner box tray (see page 1-5-14). 13. Remove three bandage labels. 14. Rotate the adjustment knob using a 5 mm hex wrench. Direction of rotation (V-1 - V-5) >= 2 scales (sample 1): rotate counterclockwise. (V-1 - V-5) <= -2 scales (sample 2): rotate clockwise.
  • Page 359 (4) Detaching and refitting the image scanner unit Procedures Screw 1. Remove the DP. (See page 1-5-38) Scanner right cover 2. Remove two screws and then remove the scanner right cover. ATTENTION: To reinstall the scanner right cover, position it close to the Screw platen.
  • Page 360 Screw 4. Remove five screws and then remove Scanner cover the scanner cover. Screw Screw Screw Screw Figure 1-5-48 Screw 5. Remove the FFC and the connector. 6. Remove four screws and then remove Screw Screw the image scanner unit. Image scanner unit Screw Connector...
  • Page 361 Refitting the ISU 7. When re-installation, fix the image scanner unit by matching to the scale of a former position. When exchange, decide the fix position of ISU by the following. The right and left of machine: Confirm the number marked (a) and then match the line (c) of ISU to the positioning line (b) of same number on frame side.
  • Page 362 (5) Detaching and refitting the LED unit Procedures Screw 1. Remove the sanner right cover and platen.(See page 1-5-22) ISU rear cover 2. Remove two screws and then remove the ISU rear cover. 3. Remove the rear cover. Screw Figure 1-5-51 4.
  • Page 363 5. Unhook five hooks and then remove the ISU front cover. Left upper cover Hooks Figure 1-5-53 6. Remove the job separator tray. 7. Remove the operation panel unit. 8. Remove the ISU front cover. ISU front cover Figure 1-5-54 1-5-30...
  • Page 364 9. Move the exposure unit to the cutting FFC cover lack part. 10. Peel off the sheet. 11. Release the hook and then remove the FFC cover. Hook Sheet Exposure unit Figure 1-5-55 Screw 12. Remove the FFC from the connector. 13.
  • Page 365 2MV-D (6) Detaching and refitting the scanner wires Follow the procedures below when the scanner wires are broken or to be replaced. (6-1) Detaching the scanner wires Procedures 1. Remove the LED unit. ISC PWB (see 1-5-29) 2. Remove the three connectors from the ISC PWB.
  • Page 366 2MV-D Screw 4. Remove the two screws. 5. Remove the scanner left cover. Scanner left cover Scanner unit Screw Figure 1-5-59 Screw Screw 6. Remove each screw and remove the Rear wire holder plate front and rear wire holder plates. Front wire 7.
  • Page 367 2MV-D 8. Remove the scanner wire springs from the hooks. 9. Remove the scanner wires. Scanner wire (black) Scanner wire springs Scanner wire (gray) Hooks Round terminals (black marking) Figure 1-5-61 1-5-34...
  • Page 368 2MV-D (6-2) Fitting the scanner wires NOTE When fitting the wires, be sure to use those specified below. Machine front: (P/N: 302K317150), gray Machine rear: (P/N: 302K317140), black Fitting requires the following tools Two frame securing tools (P/N 302FZ17100) Two scanner wire stoppers (P/N 35968110) Procedures Scanner unit 1.
  • Page 369 2MV-D 4. Insert the locating ball of each scanner Scanner wire wires into the hole in the respective stoppers scanner wire drum and wind the scan- ner wire three turns inward and four turns outward. With the locating ball as the reference Three turns inward point, wind the shorter end of each of...
  • Page 370 2MV-D 8. Wind the outer scanner wires around the outside grooves in the pulleys of the mirror frame 2 from above to below..............................(1) 9. Hook the round terminals to the catches inside the scanner unit............(2) 10. Wind the inner scanner wires around the grooves in the pulleys at the left of the scanner unit from below to above.
  • Page 371 1-5-10 Document processor (1) Detaching and refitting the document processor Procedures 1. Remove the restriction parts. 2. Open the document processor on verti- cally. Restriction parts Document processor Figure 1-5-67 3. Remove two screws and then remove the DP interface connector. Document processor Screws 4.
  • Page 372 (2) Detaching and refitting the DP paper feed roller and DP separation pulley Procedures 1. Open the DP top cover. DP top cover Figure 1-5-69 2. Pull the DP paper feed lever down and DP paper feed lever then open it. 3.
  • Page 373 4. Release the hook and then remove DP separation pulley cover. Hook DP separation pulley cover Figure 1-5-71 5. Raise the DP separation pulley and remove it by pulling upward. 6. Check or replace the DP paper feed roller and DP separation pulley and refit all the removed parts.
  • Page 374 (3) Detaching and refitting the DP main PWB Procedures 1. Open the document processor. 2. Release three hooks of the DP rear cover. Hook Hook Hook Document processor DP rear cover Figure 1-5-73 3. Release two hooks of the DP rear cover Hooks and then remove it.
  • Page 375 4. Remove all connectors from DP main Screw Clamps PWB. 5. Remove five clamps and then remove the waires from holder. Holder 6. Remove two screws and then remove the holder. Wires Screw DP main PWB Figure 1-5-75 7. Remove six screws and then remove Screw the DP main PWB.
  • Page 376 1-5-11 PWBs (1) Detaching and refitting the main PWB Procedures 1. Remove the rear cover. (See page 1-5-5) Controller 2. Remove fifteen screws and then box cover remove the controller box cover. Screw SCrew Screw Screw Screw Screw Screw Screws Screw Screws Screw...
  • Page 377 PWB connector 7. Remove all connectors and FFC from the main PWB. YC12 YC17 YC25 YC21 YC16 YC11 8. Remove seven screws and then YC30 YC20 remove the main PWB. Main PWB YC23 YC27 9. Check or replace the main PWB and refit all the removed parts.
  • Page 378 (2) Detaching and refitting the engine PWB Procedures 1. Remove the rear cover. (See page 1-5-5) Controller 2. Remove fifteen screws and then box cover remove the controller box cover. Screw SCrew Screw Screw Screw Screw Screw Screws Screw Screws Screw Screw Screw...
  • Page 379 7. Remove four screws. 8. Release seven hooks A. Hook A Screw 9. Pull the left lower cover upwards and release eight hooks B. 10. Remove the left lower cover. Hooks B Screw Screw Screw Left lower cover Hooks A Hooks B Figure 1-5-82 PWB connector...
  • Page 380 PWB connector 12. Remove all connectors from the video PWB. 13. Release three wire holders and three Edgings edgings and remove the wires and the YC20 FFC. Screws 14. Remove nine screws and then remove the controller box. YC23 YC24 Screw Wire holders Screw...
  • Page 381 (3) Detaching and refitting the power source PWB Procedures 1. Remove the rear cover. (See page 1-5-5) 2. Remove seven screws and then remove the controller box cover. Screw Screws Screw Screw Screws Controller box cover Figure 1-5-86 PWB connector 3.
  • Page 382 (4) Detaching and refitting the video PWB Screw Procedures 1. Remove the rear cover. Screw (See page 1-5-5) Controller box 2. Remove the controller box. 3. Remove the slot 1 cover and the slot 2 cover by removing each two screws. Slot 2 cover 4.
  • Page 383 8. Remove eight screws and then remove the video PWB. Controller box 9. Check or replace the video PWB and refit all the removed parts. Screw Screw Screws Screw Screw Screws Video PWB Screws Figure 1-5-90 1-5-50...
  • Page 384 (5) Detaching and refitting the operation panel PWB main Procedures Screw Screw 1. Open the front cover. 2. Remove the front upper cover. 3. Remove two screws and then remove the operation panel lower cover. Operation panel lower cover Figure 1-5-91 4.
  • Page 385 5. Remove three connectors from the operation panel PWB main. 6. Remove the operation panel upper unit. Operation panel upper unit Operation panel PWB main Connectors Figure 1-5-93 PWB connector 7. Remove all connectors and FFC from the operatioon panel PWB main. Operation panel PWB main 8.
  • Page 386 2MV-6 (6) Detaching and refitting the IH PWB Procedures 1. Remove the controller box. (See page 1-5-45) 2. Remove the scanner right cover. (See page 1-5-22) 3. Remove the right upper cover. 4. Remove the right rear cover. Right upper cover Right rear cover Figure 1-5-95 5.
  • Page 387 1-5-12 Others (1) Detaching and refitting the language sheet Procedures 1. Insert a flat-head screwdriver and slide the operation panel covers A and B to remove them. Operation panel cover B Operation panel cover A Figure 1-5-97 Clear panel 2. Remove the clear panel. Figure 1-5-98 Operation panel sheet...
  • Page 388 (2) Detaching and refitting the conveying unit Procedures 1. Remove the MP tray.(See page 1-5-13) 2. Open the right cover 1. Right cover 1 Figure 1-5-100 3. Remove two screws and then remove two straps. Screw Strap Screw Strap Figure 1-5-101 1-5-55...
  • Page 389 4. Rotate the wire cover. 5. Remove two connectors. 6. Rotate the fulcrum axis and slide it for- ward. 7. Pull the right cover 1 backward and then remove it. Wire cover Right cover 1 Connectors Fulcrum axis Figure 1-5-102 1-5-56...
  • Page 390 2MV-1 (3) Direction of installing the principal fan motors When detaching or refitting the fan moter,be careful of the airflow direction (intake or exhaust). Fuser fan 2 (Rating label: outside) Developer fan 2 (Rating label:outside) Exhaust Fuser fan 1 (Rating label:outside) Exhaust Exhaust Exhaust...
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  • Page 392 2MV-4 1-6 Requirements on PWB Replacement 1-6-1 Upgrading the firmware Follow the procedure to upgrade the firmware below. * Main PWB (CTRL) * Engine PWB (ENGN) * DP main PWB (DP) * FAX PWB (FAX) * PF main PWB (PF) * First color table (CLT1) * DF main PWB (DF) * Second color table (CLT2)
  • Page 393 Emergency-UPDATE If the device is accidentally switched off and upgrading was incomplete, upgrade becomes impossible from a USB flash device. In that case, retry upgrading after recovering the software by following the procedure below. Preparation The CF memory card must be formatted in FAT or FAT32 in advance. Extract the main firmware to download from the file.
  • Page 394 1-6-2 Remarks on PWB replacement (1) Main PWB NOTE: When replacing the main PWB, remove the EEPROM (YC14) and code DIMM (YS4) from the main PWB that has been removed and then reattach it to the new main PWB. Main PWB EEPROM YC14 Figure 1-6-3...
  • Page 395 3. Reset machine settings.( Resets system menu settings modified at setup to their defaults.) Main items for settings [Date/Timer] - Date/Time settings [Date/Timer] - Timer settings (Sleep timer) [Edit Destination] - One-touch presetting [User/Job accounting] - Defaults for user authentication and job accounting only. Resettings are not required as the data are stored in hard disk.
  • Page 396 (2) Engine PWB NOTE: When replacing the PWB, remove the EEPROM (U15) from the PWB and then reat- tach it to the new PWB. Engine PWB EEPROM (U15) Figure 1-6-7 (3) DP main PWB NOTE: When replacing the PWB, remove the EEPROM (YS1) from the PWB and then reat- tach it to the new PWB.
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  • Page 398 2-1 Mechanical Construction 2-1-1 Paper feed/conveying section The paper feed/conveying section consists of the paper feed unit that feeds paper from the cassette and the MP tray paper feed unit that feeds paper from the MP tray, and the paper conveying section that conveys the fed paper to the transfer/separation section.
  • Page 399 EPWB FEED_MT_CW YC2-11 LIFTFUL YC9-20 FEED_MT_LDY YC2-12 PAPEMP1 YC9-19 FEED_MT_CLK YC2-13 PAPEMP2 YC9-18 FEED_MT_REM YC2-14 PAPLSIZE3 YC9-15 PAPLSIZE2 YC9-14 PAPLSIZEI YC9-13 CAS_CL_REM PAPWSIZE1 YC9-12 YC2-9 PFCL1 ECPWB LIFTFULL YC13-3 PAPLSIZE3 YC14-1 PAPLSIZE2 PLSW1 YC14-2 PAPLSIZE1 YC14-4 PAPWSIZE1 PWSW1 YC14-5 PAPEMP1 YC15-3 PAPEMP2 YC15-6...
  • Page 400 (2) MP tray paper feed section The MP tray can contain 100 sheets. Feeding from the MP tray is performed by the rotation of the MP paper feed roller. Also, function of the MP separation pad prevents paper from multiple feeding. Figure 2-1-3 MP tray paper feed section 1.
  • Page 401 (3) Conveying section The conveying section conveys paper to the transfer/separation section as paper feeding from the cassette or MP tray, or as paper refeeding for duplex printing. Paper by feeding is conveyed by the paper feed roller to the position where the registration sensor (RS) is turned on, and then sent to the transfer/separation section by the right registration roller and left registration roller.
  • Page 402 2-1-2 Drum section The drum section consists of the drum, the charger roller unit, and the cleaning unit, and the drum surface is uniformly charged in preparation for formation of residual image by laser beam. After transfer is complete, toner remaining on the drum surface is chipped off with the cleaning blade and is collected to the waste toner box with the sweep roller.
  • Page 403 EPWB DRMC_MT_DIR YC3-9 DRMC_MT_RDY YC3-10 DRMC_MT_CLK -YCM YC3-11 DRMC_MT_REM YC3-12 DRMK_MT_DIR YC3-15 DRMK_MT_RDY YC3-16 DRM-K DRMK_MT_CLK YC3-17 DRMK_MT_REM YC3-18 ECPWB DRCPWB EEPROM EEPROM EEPROM EEPROM DRPWB-Y DRPWB-C DRPWB-M DRPWB-K Drum Drum Drum Drum unit Y unit C unit M unit K CL-Y CL-C CL-M...
  • Page 404 2-1-3 Developing section The developing unit consists of the sleeve roller that forms the magnetic brush, the magnet roller, the devel- oping blade and the developing screws that agitate the toner.Also, the toner sensor (TS) checks whether or not toner remains in the developing unit. Figure 2-1-9 Developer section 1.
  • Page 405 HVPWB TS-Y TS-C TS-M TS-K DEVPWB-Y DEVPWB-C DEVPWB-M DEVPWB-K EEPROM EEPROM EEPROM EEPROM DRCPWB DLPC_MT_DIR YC3-1 DLPC_MT_RDY YC3-2 DEVM DLPC_MT_CLK TM-C TM-K YC3-3 -YCM DLPC_MT_REM YC3-4 ECPWB DLP_CL_REM DEVSCL YC3-8 TM-Y TM-M DLPK_MT_DIR YC4-1 DLPK_MT_RDY YC4-2 DEVM DLPK_MT_CLK YC4-3 DLPK_MT_REM YC4-4 EPWB Figure 2-1-10 Developing section block diagram...
  • Page 406 2-1-4 Optical section The optical section consists of the image scanner section for scanning and the laser scanner section for print- ing. (1) Image scanner section The original image is illuminated by the exposure lamp (EL) and scanned by the CCD image sensor in the CCD PWB (CCDPWB) via the three mirrors and ISU lens, the reflected light being converted to an electrical signal.
  • Page 407 Original Platen YC6-9 YC6-8 VSET YC6-5 LEDPWB Lens Mirrer CCD_SEL YC9-35 CCDCLK2 Image YC9-4 sensor CCDCLK1 YC9-2 CCDPWB ISCPWB SMOT_AP YC5-1 Image scanner unit (ISU) SMOT_BP YC5-2 ISUM SMOT_AN YC5-3 SMOT_BN YC5-4 HP_SW YC8-3 Scanner unit YC25 MPWB Figure 2-1-13 Scanner unit block diagram 2-1-10...
  • Page 408 (2) Laser scanner section The charged surface of the drum is then scanned by the laser beam from the laser scanner unit. The laser beam is dispersed as the polygon motor (PM) revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the laser scanner unit, adjust the diameter of the laser beam, and focalize it at the drum surface.
  • Page 409 VPWB YC26 EPWB LSUCPWB APCPWB APCPWB APCPWB APCPWB Laser Laser Laser Laser scanner scanner scanner scanner unit Y unit C unit M unit K Figure 2-1-15 Laser scanner unit block diagram 2-1-12...
  • Page 410 2-1-5 Transfer/Separation section The transfer/separation section consists of the intermediate transfer unit section and the secondary transfer roller section. (1) Intermediate transfer unit section The intermediate transfer unit section consists of the transfer cleaning unit, the transfer belt, and the four pri- mary transfer rollers for respective color drums, and forms a full-color toner image by superimposing and transferring single-color toner images formed on each drum onto the transfer belt.
  • Page 411 2MV-C Inter mediate transfer unit HVPWB-S EPWB T1MCNT DLPK_MT_DIR YC13-7 YC4-1 T1YCNT DLPK_MT_RDY YC13-6 YC4-2 DEVM-K CLCNT DLPK_MT_CLK YC13-4 YC4-3 T1CCNT DLPK_MT_REM YC13-3 YC4-4 T1KCNT YC13-2 ECPWB ID1S YC16-1 ID1P IDS1 YC16-2 LEDREF1 YC16-4 ID2S YC16-6 ID2P IDS2 YC16-7 LEDREF2 YC16-9 TCCPWB TCPWB...
  • Page 412 (2) Secondary transfer roller section The secondary transfer roller section consists of the secondary transfer roller mounted to the paper conveying unit and the separation needle. To the secondary transfer roller, DC bias is applied from the high voltage PWB (HVPWB).
  • Page 413 2-1-6 Fuser section The paper sent from the transfer/separation section is interleaved between the heat roller and the press roller. The heat roller is heated by the IH coil (IHC), and the toner is fused by heat and pressure and fixed onto the paper because the press roller is pressed by the fuser press spring.
  • Page 414 FUSER_MT_DIR YC4-7 FUSER_MT_RDY YC4-8 FUSER_MT_CLK YC4-9 FUSER_MT_REM YC4-10 FUSREMB YC22-2 FPRM FUSREMA YC22-1 FUSER_JAM YC22-5 FUPWB YC22-17 YC1-1 PR_TH FTH3 YC22-15 YC1-3 YC4-1 HR_NCTH2 YC22-13 YC1-5 YC3-3 FTH2 HR_NCTH1 YC22-12 YC1-6 YC3-2 HR_EGTH YC22-11 YC1-7 YC2-1 FTH1 EPWB YC6-1 YC19-2 YC8-2 YC6-2 YC7-4...
  • Page 415 2-1-7 Eject/Feedshift section The paper eject/feedshift section consists of the conveying path which sends the paper that has passed the fuser section to the inner tray, the job separator tray or the duplex conveying section. Figure 2-1-22 Eject/Feedshift section 1. Eject roller A 6.
  • Page 416 EPWB EJE_FULL_DWN JPFS YC20-12 SECOND_TRAY_SW JEPS YC45-1 EJE_FULL_UP YC20-9 EJE_SOL_RETURN FSSOL YC20-1 EJECT_/B YC20-3 EJECT_/A YC20-4 EJECT_B YC20-5 EJECT_A YC20-6 Figure 2-1-23 Eject/Feed shift section block diagram 2-1-19...
  • Page 417 2-1-8 Duplex conveying section The duplex conveying section consists of conveying path which sends the paper sent from the eject/feedshift section to the paper feed/conveying section when duplex printing. Figure 2-1-24 Duplex conveying section 1. Right cover 1 6. Duplex feed roller C 2.
  • Page 418 EPWB DUSW YC5-3 DU_CL_REM YC2-3 DUCL Figure 2-1-25 Duplex conveying section block diagram 2-1-21...
  • Page 419 2-1-9 Document processor (1) Original feed section The original feed section consists of the parts shown in figure. An original placed on the original tray is con- veyed to the original conveying section. Original is fed by the rotation of the DP forwarding pulley and DP paper feed roller.
  • Page 420 DPMPWB LS_SW DPOLS YC2-3 OUT1B YC9-1 OUT1A YC9-2 DPPFM OUT2A YC9-3 OUT2B YC9-4 FEED_CL DPPFCL YC8-1 SET_SW YC3-3 DPOS WID1 YC4-4 WID2 YC4-2 DPOWS WID3 YC4-1 DP_PAGESET YC12-2 YC1-2 DP_RDY YC12-3 YC1-3 DP_SEL YC12-4 YC1-4 DP_CLK YC12-5 YC1-5 ISCPWB DP_SO YC12-6 YC1-6 DP_SI...
  • Page 421 (2) Original conveying section The original conveying section consists of the parts shown in figure. A conveyed original is scanned by the optical section (CCD) on the main machine when it passes through the slit glass of main machine. Figure 2-1-28 Original conveying section 1.
  • Page 422 DPMPWB FEED_SW DPPFS YC5-3 REGIST_SW DPRS YC5-6 REGIST_CL YC8-3 DPRCL TMG_SW DPTS YC5-15 OUT1B YC9-1 OUT1A YC9-2 DPPFM OUT2A YC9-3 OUT2B YC9-4 DP_PAGESET YC12-2 YC1-2 DP_RDY YC12-3 YC1-3 DP_SEL YC12-4 YC1-4 DP_CLK YC12-5 YC1-5 EPWB DP_SO YC12-6 YC1-6 DP_SI YC12-7 YC1-7 DP_OPEN YC12-8...
  • Page 423 (3) Original switchback/eject sections The original switchback/eject sections consists of the parts shown in figure. An original of which scanning is complete is ejected to the original eject table by the eject roller. In the case of duplex switchback scanning, an original is conveyed temporarily to the switchback tray and conveyed again to the original conveying section by the switchback roller.
  • Page 424 DPMPWB FEED_CL YC8-1 DPPFCL HP_SW YC5-12 DPSBS OUT1B YC9-5 OUT1A YC9-6 DPSBM OUT2A YC9-7 OUT2B YC9-8 DP_PAGESET YC12-2 YC1-2 DP_RDY YC12-3 YC1-3 DP_SEL YC12-4 YC1-4 DP_CLK YC12-5 YC1-5 EPWB DP_SO YC12-6 YC1-6 DP_SI YC12-7 YC1-7 DP_OPEN YC12-8 YC1-8 Figure 2-1-31 Original switchback/eject sections block diagram 2-1-27...
  • Page 425 This page is intentionally left blank. 2-1-28...
  • Page 426 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Front Inside Rear Figure 2-2-1 PWBs 1. Main PWB (MPWB) ......Controls the software for print data processing and provides the interface with computers. 2. Engine PWB (EPWB)......Controls printer hardware such as high voltage/bias output con- trol, paper conveying system control, and fuser temperature con- trol, etc.
  • Page 427 5. Power source PWB (PSPWB) ....After full-wave rectification of AC power source input, switching for converting to 24 V DC for output. Controls the fuser heater. 6. Operation panel PWB main (OPPWB-M) .......... Consists of the LCD, LED indicators and key switches. 7.
  • Page 428 32. Transfer connect PWB (TCCPWB) ..Consists of wiring relay circuit between engine connect PWB and Transfer PWB. 33. DP main PWB (DPMPWB) ....Consists the motor and clutch driver circuit and wiring relay cir- cuit. 34. DP LED PWB (DPLEDPWB) ....Displays the presence of the original. PWB names conversion Name used in service manual Name used in parts list...
  • Page 429 Name used in service manual Name used in parts list AC connect PWB (ACCPWB) PARTS PWB IH 200 ASSY SP IH PWB (IHPWB) Fuser PWB (FUPWB) Transfer PWB (TCPWB) PARTS PWB TRANSFER CONNECT ASSY SP Transfer connect PWB (TCCPWB) DP main PWB (DPMPWB) PARTS PWB DRIVE ASSY SP DP LED PWB (DPLEDPWB) PARTS PWB LED ASSY SP...
  • Page 430 (2) Switches and sensors 40,41 30,31 43,44 Front Inside Rear Figure 2-2-2 Switches and sensors 1. Home position sensor (HPS) ....Detects the ISU in the home position. 2. Original detection switch (ODSW) ..Operates the original size detection sensor. 3.
  • Page 431 13. Registration sensor (RS)....... Controls the secondary paper feed start timing. 14. Duplex sensor (DUS) ......Detects a paper jam in the duplex section. 15. Eject sensor (ES) ........Detects a paper misfeed in the fuser or eject section. 16. Job paper full sensor (JPFS) ....Detects the paper full in the job separator tray. 17.
  • Page 432 2MV-C (3) Motors 31,32 Front Inside Rear Figure 2-2-3 Motors 1. ISU motor (ISUM) ......... Drives the ISU. 2. Fuser motor (FUM) ....... Drives the fuser section. 3. Eject motor (EM) ........Drives the eject section. 4. Lift motor 1 (LM1)........Operates the bottom plate in the cassette 1. 5.
  • Page 433 2MV-C 14. Toner motor M (TM-M) ......Replenishes toner to the developer unit M. 15. Toner motor K (TM-K) ......Replenishes toner to the developer unit K. 16. Polygon motor Y (PM-Y) ...... Drives the polygon mirror Y. 17. Polygon motor C (PM-C)...... Drives the polygon mirror C. 18.
  • Page 434 (4) Others Front Inside Rear Figure 2-2-4 Others 1. Paper feed clutch 1 (PFCL1) ....Controls the primary paper feed from cassette 1. 2. Paper feed clutch 2 (PFCL2) ....Controls the primary paper feed from cassette 2. 3. Mid clutch 1 (MCL1)......Controls the paper conveying. 4.
  • Page 435 15. Fuser thermostat (FTS)......Prevents overheating of the heat roller. 16. Speaker (SPK) ........Generates an error sound. 17. Job LED (JLED) ........Displays the presence of a paper in the job separator. 18. Hard disk (HDD)........Storages the image data and information of job accounting mode. 19.
  • Page 436 2-3 Operation of the PWBs 2-3-1 Main PWB YC12 YC17 YC21 YC25 YC16 YC11 U113 YC30 YC20 U112 YC23 YC27 YC24 BLACK BAT1 Figure 2-3-1 Main PWB silk-screen diagram 2-3-1...
  • Page 437 Connector Signal Voltage Description Ground Connected to HDD data signal hard disk. HDD data signal Ground HDD data signal HDD data signal Ground Ground Connected to EGSCLK 0/3.3 V DC(pulse) Engine clock sijgnal video PWB. EGSI 0/3.3 V DC(pulse) serial communication data signal EGSDIR 0/3.3 V DC Engine communication direction signal...
  • Page 438 Connector Signal Voltage Description Ground Connected to 0/3.3 V DC(pulse) Image control signal video PWB. 0/3.3 V DC(pulse) Image control signal Ground 0/3.3 V DC(pulse) Image control signal 0/3.3 V DC(pulse) Image control signal Ground 0/3.3 V DC(pulse) Image control signal 0/3.3 V DC(pulse) Image control signal Ground...
  • Page 439 Connector Signal Voltage Description RESET 0/3.3 V DC Reset signa Connected to WAKEUP0 0/3.3 V DC Control signal Video PWB. AUDIO0 Analog Audio signal Ground USB_DP0 USB data signal USB_DN0 USB data signal VBUS0 3.3 V DC 3.3 V DC power output to VPWB Ground RESET1 0/3.3 V DC...
  • Page 440 Connector Signal Voltage Description DEEP_POWE 0/3.3 V DC YC12 Sleep return signal Connected to ENERGY_SA 0/3.3 V DC Energy save signal operation panel PWB SUPND_POW DC3.3V 3.3 V DC power output to OPPWB-M main LED_MEMOR 0/3.3 V DC Memory LED control signal LED_ATTENT 0/3.3 V DC Attention LED control signal...
  • Page 441 Connector Signal Voltage Description 0/3.3 V DC(pulse) YC16 Address bus signal Connected to 0/3.3 V DC(pulse) Address bus signal CF card 0/3.3 V DC(pulse) Address bus signal 0/3.3 V DC(pulse) Address bus signal 0/3.3 V DC(pulse) Data bus signal 0/3.3 V DC(pulse) Data bus signal 0/3.3 V DC(pulse) Data bus signal...
  • Page 442 Connector Signal Voltage Description VBUS 5 V DC YC17 5 V DC power output Connected to DATA - USB data signal operation DATA + USB data signal panel PWB Not used main Ground VBUS_D 5 V DC YC20 5 V DC power output Connected to D-_D USB data signal...
  • Page 443 Connector Signal Voltage Description Ground YC27 Connected to +5V_HDD 5 V DC 5 V DC power output to HDD hard disk Ground 5 V DC YC30 5 V DC power input from OPPWB-M Connected to 5 V DC 5 V DC power input from OPPWB-M operation 5 V DC 5 V DC power input from OPPWB-M...
  • Page 444 2-3-2 Engine PWB YC13 YC10 YC29 YC12 YC14 YC11 YC15 YC42 YC41 YC43 YC45 YC40 YC21 YC20 YC19 YC22 YC25 YC24 YC28 YC26 YC44 Figure 2-3-2 Engine PWB silk-screen diagram 2-3-9...
  • Page 445 Connector Signal Voltage Description GROUND Connected to GROUND power source GROUND 24V4 24 V DC 24 V DC power input from PSPWB 24V4 24 V DC 24 V DC power input from PSPWB 24V4 24 V DC 24 V DC power input from PSPWB 24V4 24 V DC 24 V DC power output to MPSOL...
  • Page 446 Connector Signal Voltage Description DLPC_MT_DI 0/5V DC DEVM-YCM drive shift signal Connected to DLPC_MT_R 0/3.3 V DC DEVM-YCM ready signal developer motor YCM, DLPC_MT_CL 0/5 V DC (pulse) DEVM-YCM clock signal developer stop clutch, DLPC_MT_R 0/5 V DC DEVM-YCM: On/Off drum motor YCM, drum GROUND...
  • Page 447 Connector Signal Voltage Description DLPK_MT_DI 0/5 V DC DEVM-K drive shift signal Connected to DLPK_MT_R 0/3.3 V DC DEVM-K ready signal developer motor K, DLPK_MT_CL 0/5 V DC (pulse) DEVM-K clock signal fuser motor DLPK_MT_RE 0/5 V DC DEVM-K: On/Off GROUND 24VIL 24 V DC...
  • Page 448 Connector Signal Voltage Description 3.3 V DC Data input Connected to 3.3 V DC Data output IH PWB ROTATION 3.3 V DC Rotation detection IH_REM 3.3 V DC Heater remote 3.3V4 3.3 V DC 3.3 V DC power output to IHPWB GROUND 24V4 24 V DC...
  • Page 449 Connector Signal Voltage Description LIGHTSLEEP 0/3.3 V DC Sleep signal: On/Off Connected to PFPAUSE 0/3.3 V DC Paper feeder control signal engine con- PFSET 0/3.3 V DC Paper feeder sleep return signal nect PWB DFSET 0/3.3 V DC Finisher set signal DFSEL 0/3.3 V DC Finisher selection signal...
  • Page 450 2MV-C Connector Signal Voltage Description WTCFULLOU 0/3.3 V DC WTDS: On/Off Connected to IDCLHP 0/3.3 V DC IDS: On/Off engine con- 3.3V0 3.3 V DC 3.3 V DC power output to ECPWB nect PWB 3.3V4 3.3 V DC 3.3 V DC power output to ECPWB 3.3V4 3.3 V DC 3.3 V DC power output to ECPWB...
  • Page 451 Connector Signal Voltage Description MP(C)_CLK 0/3.3 V DC (pulse) PM clock signal YC12 Connected to MP(M)_RDY 0/3.3 V DC PM ready signal LSU connect A10 MP(M)_CLK 0/3.3 V DC (pulse) PM clock signal A11 MP(K)_CLK 0/3.3 V DC (pulse) PM clock signal A12 GND GROUND A13 24V4...
  • Page 452 Connector Signal Voltage Description B11 MKCNT Analog Chager roller control voltage (Black) YC15 Connected to B12 MMCNT Analog Chager roller control voltage (Magenta) high voltage B13 BKBACCNT Analog Developing AC bias control voltage (Black) B14 HVCLKK 0/10 V DC (pulse) Developer bias clock signal (Black) B15 HVCLKM 0/10 V DC (pulse)
  • Page 453 2MV-8 Connector Signal Voltage Description EJE_SOL_RE 0/24 V DC FSSOL: On/Off YC20 TURN Connected to 24V4 24 V DC 24 V DC power output to FSSOL shift sole- EJECT_/B 0/24 V DC (pluse) EM drive control signal noid, eject EJECT_/A 0/24 V DC (pluse) EM drive control signal motor, paper...
  • Page 454 Connector Signal Voltage Description 3.3V4 3.3 V DC 3.3 V DC power output to FTH YC22 EG_TH Analog FTH detection voltage (Edge) Connected to thermistor1, GROUND thermistor2, ROTATION 3.3 V DC Rotation detection eject sensor, fuser press release motor 24V4 24 V DC 24 V DC power output to IHFM YC24...
  • Page 455 Connector Signal Voltage Description MCV_COPY_ 0/3.3 V DC Coin vender control signal YC26 Connected to MCV_ENBL 0/3.3 V DC Coin vender enable signal video PWB DEBUGRXD 0/3.3 V DC (pulse) Serial communication data signal output DEBUGTXD 0/3.3 V DC (pulse) Serial communication data signal output GROUND GROUND GROUND...
  • Page 456 Connector Signal Voltage Description 24V4 24 V DC 24 V DC power output to ISU YC40 Connected to 24V4 24 V DC 24 V DC power output to ISU image scan- GROUND ner unit GROUND GROUND 24V4 24 V DC 24 V DC power output to ISU 24VIL 24 V DC...
  • Page 457 Connector Signal Voltage Description VIDEO_SEL 0/3.3 V DC (pulse) Video select signal YC43 Connected to VIDEO_READ 0/3.3 V DC (pulse) Video ready signal video PWB VIDEO_SCL 0/3.3 V DC (pulse) Video clock signal VIDEO_RXD 0/3.3 V DC (pulse) Video serial communication data signal VIDEO_TXD 0/3.3 V DC (pulse) Video serial communication data signal 3.3V4...
  • Page 458 2-3-3 Video PWB YC22 YC16 YC20 YC17 YC15 YC14 YC13 YC24 YC23 Figure 2-3-3 Video PWB silk-screen diagram 2-3-23...
  • Page 459 Connector Signal Voltage Description Ground Connected to G6_EG_SCLK 0/3.3 V DC (pulse) Engine clock signal main PWB G6_EG_S 0/3.3 V DC (pulse) Serial communication data signal G6_EG_SDIR 3.3 V DC Engine communication direction signal G6_EG_SBSY Engine busy signal 3.3 V DC G6_EG_SO 0/3.3 V DC (pulse) Serial communication data signal G6_EG_IRN...
  • Page 460 Connector Signal Voltage Description SAR_CH1_P 0/3.3 V DC (pulse) Image control signal Connected to SAR_CH1_N 0/3.3 V DC (pulse) Image control signal main PWB Ground VDN(K) LVDS Video data LVDS(-) (black) Connected to VDP(K) LVDS Video data LVDS(+) (black) LSU connect SH(K) Sample / hold signal (black) 0/3.3 V DC...
  • Page 461 Connector Signal Voltage Description Ground Connected to Ground engine PWB Ground DEBUGTXD 0/3.3 V DC (pulse) Serial communication data signal output DEBUGRXD 0/3.3 V DC (pulse) Serial communication data signal output MCV_ENBL Coin vender enable signal 0/3.3 V DC MCV_COPY_ Coin vender control signal 0/3.3 V DC MCV_TXD...
  • Page 462 Connector Signal Voltage Description PAPWSIZE2_ PWSW2: On/Off 0/3.3 V DC Connected to BO2_REM LM2: On/Off 0/3.3 V DC engine PWB LMOTOCP2 LM2 detection signal 0/3.3 V DC CAS2_CL_RE PFCL2: On/Off 0/24 V DC MID2_CL_RE MCL2: On/Off 0/24 V DC FEED_MT2_R CM2 ready signal 0/3.3 V DC FEED_MT2_C...
  • Page 463 Connector Signal Voltage Description 3.3V4 3.3 V DC 3.3 V DC power output to PS3 Connected to GROUND paper sen- PAPEMP3 PS3: On/Off 0/3.3 V DC sor 3, paper 3.3V4 3.3 V DC 3.3 V DC power output to PS4 sensor 4, lift GROUND sensor 2...
  • Page 464 Connector Signal Voltage Description USB_DN0 USB data signal YC13 Connected to VBUS0 3.3 V DC 3.3 V DC power output to USB main PWB GROUND RESET1 0/3.3 V DC Reset signal WAKEUP1 0/3.3 V DC Control signal AUDIO1 Analog AUDIO signal GROUND USB_DP1 USB data signal...
  • Page 465 Connector Signal Voltage Description 24V4(NC) Not used YC20 Connected to 5 V DC 5 V DC power output to MSW main switch SHUTDOWN 0/5 V DC MSW: On/Off VIDEO_TXD 0/3.3 V DC (pulse) Video serial communication data signal YC22 Connected to VIDEO_RXD 0/3.3 V DC (pulse) Video serial communication data signal engine PWB...
  • Page 466 Connector Signal Voltage Description YC24 Ground DC1_SET_2 Connected to 0/3.3 V DC Key counter set signal key counter DC1_COUNT 0/3.3 V DC Key counter count signal 24V4 24 V DC 24 V DC power to key counter 2-3-31...
  • Page 467 2-3-4 ISC PWB YC14 Figure 2-3-4 ISC PWB silk-screen diagram 2-3-32...
  • Page 468 Connector Signal Voltage Description SC_CLK 0/3.3 V DC (pulse) Scanner clock signal Connected to SC_SO 0/3.3 V DC (pulse) Serial communication data signal main PWB SC_SI 0/3.3 V DC (pulse) Serial communication data signal SC_BSY 0/3.3 V DC Scanner busy signal SC_HLDN 0/3.3 V DC Scanner hold signal...
  • Page 469 Connector Signal Voltage Description 3.3V5 3.3 V DC 3.3 V DC power output to HPS Connected to Ground home posi- HP_SW 0/3.3 V DC HPS: On/Off tion sensor Ground Connected to CCDCLK1 0/3.3 V DC (pulse) Clock signal CCD PWB Ground CCDCLK2 0/3.3 V DC (pulse) Clock signal...
  • Page 470 Connector Signal Voltage Description Ground Connected to CCDSEL 0/3.3 V DC Select signal CCD PWB Ground AFE_MCLK 0/3.3 V DC (pulse) Clock signal GND(AFE_SH Ground CLPIN 0/3.3 V DC Clamp signal GND(AFE_SH Ground Ground 5.1V5 YC11 5 V DC 5 V DC power output to CCDPWB Connected to Ground CCD PWB...
  • Page 471 Connector Signal Voltage Description 3.3V5 YC14 3.3 V DC 3.3 V DC power output to ODSW Connected to Ground original CO_SW 0/3.3 V DC ODSW: On/Off detection switch 2-3-36...
  • Page 472 2-3-5 IH PWB YC10 Figure 2-3-5 IH PWB silk-screen diagram 2-3-37...
  • Page 473 2MV-C Connector Signal Voltage Description IH_NEUTRAL AC100V AC input voltage Connected to IH_LIVE AC100V AC input voltage AC connect Analog Low side IGBT case temperature Connected to Analog High side IGBT case temperature IH control AC_CURREN Analog AC input current AC_VOLTAGE Analog AC input voltage...
  • Page 474 Connector Signal Voltage Description IH_OUT2 1000 V DC Resonance circuit output YC10 Connected to IH coil CAUTION: Connectors YC1, YC3, YC6, YC9 and YC10 are not grounded, therefore, use caution not to damage the connectors during measurement of voltages. 2-3-39...
  • Page 475 2-3-6 Operation panel PWB main Figure 2-3-6 Operation panel PWB main silk-screen diagram 2-3-40...
  • Page 476 Connector Signal Voltage Description 5 V DC 5 V DC power input from MPWB Connected to 5 V DC 5 V DC power input from MPWB main PWB 5 V DC 5 V DC power input from MPWB Ground Ground Ground VBUS 5 V DC...
  • Page 477 Connector Signal Voltage Description SGND Ground Connected to SGND Ground 0/3.3 V DC (pulse) LCD clock signal SGND Ground SGND Ground 0/3.3 V DC LCD Control signal R0(LSB) 0/3.3 V DC LCD Control signal 0/3.3 V DC LCD Control signal 0/3.3 V DC LCD Control signal SGND...
  • Page 478 Connector Signal Voltage Description 3.3V 3.3 V DC 3.3 V DC power output to LCD Connected to 3.3V 3.3 V DC 3.3 V DC power output to LCD 3.3V 3.3 V DC 3.3 V DC power output to LCD BOT Y- Analog Touch panel Y- position signal Connected to...
  • Page 479 Connector Signal Voltage Description SCAN4 0/3.3 V DC (pulse) Scan signal 4 Connected to KEY5 0/3.3 V DC (pulse) Operation panel key scan return signal 5 operation KEY6 0/3.3 V DC (pulse) Operation panel key scan return signal 6 panel PWB KEY7 0/3.3 V DC (pulse) Operation panel key scan return signal 7 SCAN0...
  • Page 480 2-3-7 Power source PWB YC14 YC11 YC10 TB1 TB2 Figure 2-3-7 Power source PWB silk-screen diagram 2-3-45...
  • Page 481 Connector Signal Voltage Description LIVE 220-240 V AC AC power input NEUTRAL 220-240 V AC Connected to AC power input AC inlet and LIVE 220-240 V AC AC power input AC connect MSW_OUT 220-240 V AC AC power output to MSW Connected to MSW_IN 220-240 V AC...
  • Page 482 Connector Signal Voltage Description GND(N.C) Not used YC10 Connected to GND(N.C) Not used engine PWB, GND(N.C) Not used engine con- nect PWB YC11 Ground Connected to Ground video PWB Ground Ground 12V0 12 V DC power output to VPWB 12 V DC 12V0 12 V DC power output to VPWB 12 V DC...
  • Page 483 2-3-8 DP main PWB YC3 YC2 YC4 YC6 Figure 2-3-8 DP main PWB silk-screen diagram 2-3-48...
  • Page 484 Connector Signal Voltage Description Ground Connected to DP_PAGESE 0/3.3 V DC DPTS: On/Off engine PWB ENG_RDY 0/3.3 V DC Ready signal ENG_SEL 0/3.3 V DC Select signal ENG_CLK 0/3.3 V DC(pulse) Clock signal ENG_SI 0/3.3 V DC(pulse) Serial communication data signal ENG_SO 0/3.3 V DC(pulse) Serial communication data signal...
  • Page 485 Connector Signal Voltage Description ANODE 3.3 V DC 3.3 V DC power output to DPPFS DConnected Ground to DP paper FEED SW 0/3.3 V DC DPPFS: On/Off feed ANODE 3.3 V DC 3.3 V DC power output to DPRS sensor,DP Ground registration sensor,DP...
  • Page 486 2MV-9 2-4 Appendixes 2-4-1 Appendixes (1) List of maintenance parts Maintenance part name Alternative Part No. part No. Name used in service manual Name used in parts list Registration cleaner PARTS CLEANING REGIST ASSY SP 302MV94030 2MV94030 Primary paper feed unit PARTS PRIMARY FEED ASSY SP 302MV94061 2MV94061...
  • Page 487 2MV-2 (2) Maintenance kits Maintenance part name Alternative Parts No. part No. Name used in service Name used in parts list MK-8315A/MAINTENANCE MK-8315A/MAINTENANCE KIT 1702MV0UN0 072MV0UN (200,000 sheets) Transfer roller unit HOLDER TRANSFER ASSY Drum unit DRUM UNIT MK Developer unit K DLP UNIT BK MK Intermediate transfer unit IMAGE UNIT MK...
  • Page 488 2MV-9 (3) Periodic maintenance procedures Check the maintenance counts by the maintenance mode U901. CH: Check, CL: Clean, AD: Adjust, LU: Lubrication, RE: Replace Periodic maintenance (x1000 counts) Maintenance Section Points and cautions Page part/location User call Test copy Copy Quaity and test print Periodic maintenance...
  • Page 489 2MV-9 Periodic maintenance (x1000 counts) Maintenance Section Points and cautions Page part/location User call Image Contact glass CL: Slit glass for DP: Clean by dry P.1-5-26 Scaner cloth or alcohol (attention: wet cloth section is strictly prohibited.) when inatalling DP,clean with dry cloth. Contact glass for putting the original on: Dry cloth after cleaning with alcohol (FACE SIDE)
  • Page 490 2MV-9 Periodic maintenance (x1000 counts) Maintenance Section Points and cautions Page part/location User call Cover Covers CL: Alcohol or dry cloth Inside of machine CL: VACUUM: Remove toner and paper dust especially at the paper conveying part and around the image formation part.
  • Page 491 2MV-A (4) Repetitive defects gauge First occurrence of defect 37.7 mm/1 Chager roller 1/2” 46.5 mm/1 Left registration roller 13/16” 50.3 mm/2” Developing roller 62.0 mm/2 Right registration roller 7/16” 65.7 mm/2 Transfer roller 9/16” 94.2 mm/3 Drum/Press roller 11/16” 125.7 mm/4 Heat roller 15/16”...
  • Page 492 (5) Firmware environment commands The printer maintains a number of printing parameters in its memory. These parameters may be changed per- manently with the FRPO (Firmware RePrOgram) commands. This section provides information on how to use the FRPO command and its parameters using examples. Using FRPO commands for reprogramming the firmware The current settings of the FRPO parameters are listed as the optional values on the service status page.
  • Page 493 Factory Item FRPO Setting values setting Default emulation mode 6: PCL 6 9: KPDL Carriage-return action * 0: Ignores 0x0d 1: Carriage-return 2: Carriage-return+linefeed Linefeed action * 0: Ignores 0x0d 1: Linefeed 2: Linefeed+carriage-return Automatic emulation sensing 0: AES disabled (For KPDL3) 1: AES enabled Automatic emulation switching...
  • Page 494 Factory Item FRPO Setting values setting Default paper size 0: Size of the default paper cassette (See R4.) 1: Monarch (3-7/8 × 7-1/2 inches) 2: Business (4-1/8 × 9-1/2 inches) 3: International DL (11 × 22 cm) 4: International C5 (16.2 × 22.9 cm) 5: Executive (7-1/4 ×...
  • Page 495 Factory Item FRPO Setting values setting Character spacing * Characters per inch (fraction value) Country code 0: US-ASCII 1: France 2: Germany 3: UK 4: Denmark 5: Sweden 6: Italy 7: Spain 8: Japan 9: US Legal 10: IBM PC-850 (Multilingual) 11: IBM PC-860 (Portuguese) 12: IBM PC-863 (Canadian French) 13: IBM PC-865 (Norwegian)
  • Page 496 Factory Item FRPO Setting values setting Default weight 0: Courier = darkness (courier and letter Gothic) Letter Gothic = darkness 1: Courier = regular Letter Gothic = darkness 4: Courier = darkness Letter Gothic = regular 5: Courier = regular Letter Gothic = regular Color mode 0: Monochrome (grayscale)
  • Page 497 Factory Item FRPO Setting values setting Paper type for paper cassettes 1 1: Plain to 2 3: Preprinted 5: Bond 6: Recycled 9: Letterhead 10: Color 11: Prepunched 17: High quality 21: Custom1 22: Custom2 23: Custom3 24: Custom4 25: Custom5 26: Custom6 27: Custom7 28: Custom8...
  • Page 498 Factory Item FRPO Setting values setting Duplex operation for specified 0: Off paper type 1: On (Prepunched, Preprintedand Let- terhead) Default operation for PDF direct 0: Enlarges or reduces the image to fit in the printing current paper size. Loads paper from the current paper cassette.
  • Page 499 2MV-4 (6) System Error (Fxxxx) Outline The document is subscribed to describe the outline of the factors of the Fxxx errors that are not described in service manual. Please utilize it to refer to checking the factors. Please utilize it as the measures when the system is not recovered after power off/on or it frequently occurs.
  • Page 500 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci [Main - Panel Interface] 1) Check connection of the harness (Panel to Main board), (Main board to HDD) and Main board:YC12, YC17,YC30 connectors and check function. Panel board:YC1,YC2,YC3 2) Check contact of the DDR memory by detaching and reattaching. and check function.
  • Page 501 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci 1) Check connection of the harness (Panel - Main board) and connectors and check function. 2) Format the HDD and check function. (U024 FULL formatting) (*1) 3) Execute the U021 Memory initializing to initialize the controller backup memory and...
  • Page 502 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci 1) Format the HDD and check function. (U024 FULL formatting) (*1) 2) Execute the U021 Memory initializing to initialize the controller backup memory and check function. An error is detected at the F17X 3) Replace the main board and check function.
  • Page 503 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci 1) Format the HDD and check function. (U024 FULL formatting) (*1) 2) Execute the U021 Memory initializing to initialize the controller backup memory and *The F1D4 error is RAM An error is detected at the check function.
  • Page 504 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci F2BX 1) Format the HDD and check function. (U024 FULL formatting) (*1) F2CX 2) Execute the U021 Memory initializing to initialize the controller backup memory and F2DX check function.
  • Page 505 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci 1) Format the HDD and check function. (U024 FULL formatting) (*1) 2) Execute the U021 Memory initializing to initialize the controller backup memory and check function. F14A,F14F:KUIO error 3) Execute the U671 Clear FAX back up data (FAX DIMM clear) and check function. (*3)
  • Page 506 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci 1) Format the HDD and check function. (U024 FULL formatting) (*1) F47X 2) Execute the U021 Memory initializing to initialize the controller backup memory and An error is detected at the check function.
  • Page 507 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci F58X 1) Format the HDD and check function. (U024 FULL formatting) (*1) F59X 2) Execute the U021 Memory initializing to initialize the controller backup memory and F5AX check function.
  • Page 508 2MV-4 Check procedure & check point Content Remark 1 TASKalfa 2550ci F64X 1) Format the HDD and check function. (U024 FULL formatting) (*1) 2) Execute the U021 Memory initializing to initialize the controller backup memory and check function. F65X An error is detected at the 3) Replace the main board and check function.
  • Page 509 (7) Chart of image adjustment procedures Maintenance mode Adjusting Item Image Description Original Page Remarks order Item No. Mode Adjusting the magnification in the Polygon motor speed adjustment U053 POLYGON U053 test pattern P.1-3-40 main scanning direction (printing adjustment) Adjusting the magnification in the Drive motor speed adjustment U053 MAIN...
  • Page 510 2MV-5 Maintenance mode Adjusting Item Image Description Original Page Remarks order Item No. Mode Adjusting magnification of the Original scanning speed U065 SUB SCAN Test chart P.1-3-42 U065: For copying an original placed on scanner in the auxiliary scanning the platen. direction U070 SUB SCAN (F)
  • Page 511 2MV-8 (8) Wiring diagram Y C 3 E P W B Y C 1 1 3 .3 V 4 3 .3 V 4 C W /C C W D L P C _ M T _ D IR R F ID _ S C L R F ID _ S C L D L P C _ M T _ R D Y R F P W B...
  • Page 512 Y C 2 Y C 1 0 V D N (K ) V D N (K ) Y C 2 0 Y C 8 V D P (K ) V D P (K ) 2 4 V 4 S H (K ) S H (K ) M S W 2 4 V 4...
  • Page 513 2MV-C Y C 6 Y C 1 Y C 4 Y C 1 Y C 9 3 .3 V 4 3 .3 V 4 3 .3 V 4 3 .3 V 4 3 .3 V 4 T C S E N S E T C S E N S E (Y ) G N D G N D...
  • Page 514 Y C 1 5 Y C 1 Y C 3 G N D G N D G N D G N D G 6 _ E G _ S C L K E G S C L K G N D G 6 _ E G _ S I E G S I F ro m PSPWB...
  • Page 515 H D D Y C 9 S H IE L D Y C 2 G N D G N D Y C 1 Y C 2 5 Y C 4 G N D G N D G N D G N D G N D (A F E _ S H P ) S H P T X P...
  • Page 516 C N 1 Y C 4 M P W B Y C 7 C N 1 C N 2 S G N D S G N D S G N D S G N D K M D E T 1 2 P P C C O N R E S E R V E P H S T X D...
  • Page 517 Y C 2 2 Y C 1 Y C 4 R O T A T IO N R O T A T IO N P R _ T H F T H 3 G N D G N D G N D E G _ T H H R _ E G T H Y C 3...
  • Page 518 F LA S H R O M S E R IA L D E B U G G E R D -sub 2-4-33...
  • Page 519 Installation Guide PF-790 (Paper feeder) Installation Guide...
  • Page 520 INSTALLATION GUIDE GUIDE D’INSTALLATION GUÍA DE INSTALACION INSTALLATIONSANLEITUNG GUIDA ALL’INSTALLAZIONE 安装手册 설치안내서 設置手順書 PF-790...
  • Page 521 E. Stopper R........... 1 Be sure to remove any tape and/or cushioning English F. Stopper L ........... 1 material from supplied parts. Supplied parts G. S Tite screws M4 × 20 ......4 A. Paper feeder..........1 H. Pin.............. 8 B.
  • Page 522 Procedure 1.Place the MFP (2) on the paper feeder (A) 2.Remove the lower paper cassette (3) from Be sure to turn the MFP main power switch off so that the pins (1) at the rear left and rear the MFP. and disconnect the MFP power plug from the right of the paper feeder (A) are aligned with wall outlet before starting to install the paper...
  • Page 523 3.Secure the MFP (2) to the paper feeder (A) 5.Install the retainer (C) in the location shown 6.Turn the adjusters on each corner (4) until with the 2 fixing pins (B). in the figure using 2 S Tite screws M3 × 12 they reach the floor and then secure the 4.Insert cassette (3) into the machine.
  • Page 524 7.Select holes (5) and install each stopper (E,F) with 2 S Tite screws M4 × 20 (G) so that the stoppers will be grounded on the floor. 7.Sélectionner les trous (5) et installer chaque butée (E,F) avec 2 vis S Tite M4 × 20 (G) de sorte que les butées reposent sur le sol.
  • Page 525 Fix Paper Width Guide Loading the paper size plate You can fix the paper width guide using the supplied retaining pins(H). Insert the paper size plate (I) into the respective Follow the steps below as necessary. size display slot. 1.Pull out the cassette. 2.Align the paper width guide holes with the holes in the cassette for the paper width you want to set.
  • Page 526 Adjusting the leading edge timing The reference value for the leading edge timing is 20 ±1.0 mm at position (b) in the correct image (a). If the timing is outside this range, perform the fol- lowing adjustment. 1.Set maintenance mode U034, select LSU Out Top and Cassette(L) 2.Adjust the values.
  • Page 527 Adjusting the center line The reference value for the center line is ±0.5 mm or less at position (f) in the correct image (e). If the center line position is outside this range, perform the following adjustment. 1.Set maintenance mode U034, select LSU Out Left and Cassette3 or Cassette4. 2.Adjust the values.
  • Page 528 DF-470 (Document finisher) Installation Guide...
  • Page 529 DF-470 DOCUMENT FINISHER , AK-470 ATTACHMENT KIT for Color MFP 25/25 2011.9 305JS56740-01...
  • Page 530 2011.9 305JS56740-01...
  • Page 531 DT-730 (Document tray) Installation Guide...
  • Page 532 INSTALLATION GUIDE for Color MFP 25/25ppm GUIDE D’INSTALLATION GUÍA DE INSTALACION DT-730 INSTALLATIONSANLEITUNG GUIDA ALL’INSTALLAZIONE M4 10(2) M4 8(7) M4 14(2) (I), (J) and (K) are not used. 1 piece of (D) will be left. (I), (J) et (K) ne sont pas utilisés. Une pièce de (D) sera laissée inutilisée.
  • Page 533 2011.12 302LC56720-01...
  • Page 534 FAX System(W) Installation Guide...
  • Page 535 INSTALLATION GUIDE GUIDE D’INSTALLATION GUÍA DE INSTALACION INSTALLATIONSANLEITUNG GUIDA ALL’INSTALLAZIONE 安装手册 설치안내서 設置手順書 FAX System (W)
  • Page 536 English To install the FAX circuit board, see page 1. To install the FAX circuit board as Dual FAX, see page 12. If the finisher is already installed, remove the finisher before installing FAX System(W). For details, see the instructions on page 17. Français Pour installer la carte à...
  • Page 537 Supplied parts Option (B) is not bundled. A. FAX circuit board ........1 G. Memory DIMM (128 MB) ......1 When installing the Dual FAX, (A), (C) are C. Terminal seal ..........1 required. D. Alphabet label..........1 E. Memory DIMM (16 MB) ......1 F.
  • Page 538 Precautions Procedure 2.Install the memory DIMM (E) or the optional Be sure to remove any tape and/or cushioning Installing the memory DIMM memory DIMM (G) into the memory slot (3) material from supplied parts. 1.Remove 2 screws (1), and then remove the on the lower level (FLS).
  • Page 539 OPT1 Removing the slot cover 4.Remove 2 screws (5) and then remove the OPT1 slot cover (4). * Do not use OPT2. To install the FAX circuit board as Dual FAX, see page 12. Dépose du couvercle de la fente 4.Déposer les 2 vis (5) puis le couvercle de la fente OPT1 (4).
  • Page 540 OPT1 Install the FAX circuit board. 5.Insert the FAX circuit board (A) along the groove in OPT1 and secure the board with two screws (5) that have been removed in step 4. Do not directly touch the FAX circuit board (A) terminal. Hold the top and bottom of the FAX circuit board, or the projection of the board to insert the FAX circuit board (A).
  • Page 541 Connect the MFP to the telephone line. For 100 V or Chinese models, use the supplied 6.Plug the modular connector cable (7) into the line terminal, and then connect the other end to the modular connecter cable (B). telephone line. Connecter le MFP à...
  • Page 542 Connect the MFP to the separate phone ). If you don't connect the MFP to the separate 7.Plug the modular connector cable (8) into the telephone terminal, and then connect the other end phone, wipe the surface of the telephone termi- to the separate phone.
  • Page 543 Attach the alphabet labels (excluding 100 V models). 8.Insert a flat-head screwdriver at the tip indicated by the arrows (9) as shown on the left, and slide the operation panel covers (10) (11) to remove them. Apposer les étiquettes de l’alphabet (Sauf sur les modèles 100 V). 8.Insérer un tournevis à...
  • Page 544 9.Remove the clear panel (12). 10.Remove the operation panel sheet (13). 9.Déposer le panneau transparent (12). 10.Déposer la tôle du panneau de commande (13). 9.Quite el panel transparente (12). 10.Quite la hoja del panel de trabajo (13). 9.Die durchsichtige Platte (12) entfernen. 10.Die Bedienfeldfolie (13) entfernen.
  • Page 545 11.Wipe the area above the numeric keys on the operation panel sheet (13) with alcohol and attach the alphabet labels (D). In Asia and Oceania, use PQRS TUV WXYZ label, and do not use PRS TUV WXY and OPER labels. 11.Nettoyer à...
  • Page 546 12.Attach the operation panel sheet (13). 13.Reinstall the clear panel (12). 14.Reinstall the operation panel covers (10) (11). 12.Fixer la tôle du panneau de commande (13). 13.Reposer le panneau transparent (12). 14.Reposer les couvercles du panneau de com- mande (10) (11). 12.Fije la hoja del panel de trabajo (13).
  • Page 547 Attach the PTT label (for China, 110 V models only). When installing the optional Dual FAX (when 15.Attach the PTT label (F) after wiping with alcohol. adding the FAX circuit board to OPT2), proceed to the following procedures.When not installing, proceed to page 16.
  • Page 548 OPT2 Install the Dual FAX Removing the slot cover Refer to page 1 for the supplied parts. 1.Remove 2 screws (2) and then remove the OPT2 slot cover (1). Installer le FAX double. Dépose du couvercle de la fente Pour plus de détails concernant les pièces 1.Déposer les 2 vis (2) puis le couvercle de la fente OPT2 (1).
  • Page 549 OPT2 Install the FAX circuit board. 2.Insert the FAX circuit board (A) along the groove in OPT2 and secure the board with two screws (2) that have been removed in step 1. Do not directly touch the FAX circuit board (A) terminal. Hold the top and bottom of the FAX circuit board, or the projection of the board to insert the FAX circuit board (A).
  • Page 550 Seal the terminal. 3.Wipe the surface of the telephone terminal with alcohol and adhere the terminal seal (C). The telephone terminal on the FAX circuit board installed to OPT2 is unavailable (invalid). Seal the terminal securely to prevent a user from connecting a separate phone. Fermer hermétiquement la borne.
  • Page 551 Connect the MFP to the telephone line. 4.Plug the modular connector cable (4) into the line terminal, and then connect the other end to the telephone line. For 100 V or Chinese models, use the supplied modular connecter cable (B). Connecter le MFP à...
  • Page 552 (Initialize the FAX circuit board. 3.If the FAX circuit board has been added to OPT2 (to initialize the FAX 1.Plug the MFP into a power outlet, and turn on the main power. circuit board in OPT2) Initialize OPT2 by pressing [PORT2], and the Start key in this order in 2.If the FAX circuit board has been installed only in OPT1 or installed the maintenance mode U698 and executing the maintenance mode both in OPT1 and OPT2 (to initialize all FAX circuit boards) Perform the...
  • Page 553 Rimozione/Installazione della finitrice. Removing/Installing the Finisher Retrait/Installation du finisseur Extracción/instalación del Finalizador Montage oder Demontage des Finishers...
  • Page 554 KYOCERA Document Solutions Phone: +886-2-2507-6709 Australia Pty. Ltd. Fax: +886-2-2507-8432 Level 3, 6-10 Talavera Road North Ryde N.S.W, 2113, Australia KYOCERA Document Solutions Korea Co., Ltd. Phone: +61-2-9888-9999 18F, Kangnam bldg, 1321-1, Fax: +61-2-9888-9588 Seocho-Dong, Seocho-Gu, Seoul, Korea Phone: +822-6933-4050...