User's Guide
Page 159
... and workmanship If this product does not function as "Remarketer." You may not be available or only be available for Lexmark C920 Lexmark International, Inc. When warranty service involves the exchange of a product or part, the item replaced becomes the property of...not to present proof of products by the end-user to a Lexmark designated location. Notices 159 For customers outside of Lexmark specifications • Modification, refurbishment, repair, refilling or remanufacture of original purchase. Fuser Units, Paper Feed items, and any organization, required by a third ...
... and workmanship If this product does not function as "Remarketer." You may not be available or only be available for Lexmark C920 Lexmark International, Inc. When warranty service involves the exchange of a product or part, the item replaced becomes the property of...not to present proof of products by the end-user to a Lexmark designated location. Notices 159 For customers outside of Lexmark specifications • Modification, refurbishment, repair, refilling or remanufacture of original purchase. Fuser Units, Paper Feed items, and any organization, required by a third ...
Menus and Messages
Page 44
...Wait for the message to read the information from standard output bin Replace oil coating roll Requested Env Not Supported Resetting Active Bin Resetting Fuser Count Resetting the Printer Restore Held Jobs Action The operator panel has been locked. Wait for the message to clear and the printer... off while this message is displayed. Wait for the message to clear. • Select Continue to restore all color cartridges and color photoconductor units. • Select Continue to reset. Enter the correct PIN number. Warning: Do not turn the printer off or remove the USB drive ...
...Wait for the message to read the information from standard output bin Replace oil coating roll Requested Env Not Supported Resetting Active Bin Resetting Fuser Count Resetting the Printer Restore Held Jobs Action The operator panel has been locked. Wait for the message to clear and the printer... off while this message is displayed. Wait for the message to clear. • Select Continue to restore all color cartridges and color photoconductor units. • Select Continue to reset. Enter the correct PIN number. Warning: Do not turn the printer off or remove the USB drive ...
Menus and Messages
Page 50
... Emul Option 45 200.yy Paper jam 48 249.yy Paper jam 49 24x.yy Paper jam 48 250.yy Paper jam 49 30 print unit missing 45 30 Coating roll missing 45 32 Replace unsupported cartridge 45 34 Incorrect Media 46 34 Short Paper 46 37 Insufficient memory for Flash... disk 47 62 Disk full 48 63 Unformatted disk 48 64 Unsupported disk format 48 80 Belt life warning 48 80 Fuser life warning 48 80 Replace belt 48 80 Replace fuser 48 81 Engine code CRC failure 48 84 photo developer abnormal 48 84 Black photo developer life warning 48 84...
... Emul Option 45 200.yy Paper jam 48 249.yy Paper jam 49 24x.yy Paper jam 48 250.yy Paper jam 49 30 print unit missing 45 30 Coating roll missing 45 32 Replace unsupported cartridge 45 34 Incorrect Media 46 34 Short Paper 46 37 Insufficient memory for Flash... disk 47 62 Disk full 48 63 Unformatted disk 48 64 Unsupported disk format 48 80 Belt life warning 48 80 Fuser life warning 48 80 Replace belt 48 80 Replace fuser 48 81 Engine code CRC failure 48 84 photo developer abnormal 48 84 Black photo developer life warning 48 84...
Service Manual
Page 4
... Main Unit Fan Error 2-10 919 - Cyan Printhead Error 2-14 933 - High-Capacity Feed Tray Error 2-16 942 - NAND Failure 2-20 960 - RAM Slot 1 Bad 2-20 961 - Unrecognizable Network Port 2-20 976 - Sensor Controller Error 2-23 iv Service Manual Fuser Error-Fuser Heater ... Start 2-1 Initial check 2-1 Symptom table 2-3 Printer messages 2-5 Service error message tables 2-5 900 - RIP software error 2-5 910 - Lower Fuser Thermistor Open Error 2-11 925 - NVRAM Chip Failure 2-19 954 - Flash Parts Failed While Programming Network Port 2-21 980 Face Up/Down ...
... Main Unit Fan Error 2-10 919 - Cyan Printhead Error 2-14 933 - High-Capacity Feed Tray Error 2-16 942 - NAND Failure 2-20 960 - RAM Slot 1 Bad 2-20 961 - Unrecognizable Network Port 2-20 976 - Sensor Controller Error 2-23 iv Service Manual Fuser Error-Fuser Heater ... Start 2-1 Initial check 2-1 Symptom table 2-3 Printer messages 2-5 Service error message tables 2-5 900 - RIP software error 2-5 910 - Lower Fuser Thermistor Open Error 2-11 925 - NVRAM Chip Failure 2-19 954 - Flash Parts Failed While Programming Network Port 2-21 980 Face Up/Down ...
Service Manual
Page 9
... removal 4-14 Density sensor removal/Separation fingers removal/Sensor cleaner removal 4-15 Drive gear unit sensor assembly removal 4-15 Electronic box removal 4-16 Face up paper exit assembly removal 4-17 Front cover open switch actuator removal 4-17 Fuser removal 4-18 Gear cover removal/Multipurpose feeder frame assembly 4-19 High voltage power supply...
... removal 4-14 Density sensor removal/Separation fingers removal/Sensor cleaner removal 4-15 Drive gear unit sensor assembly removal 4-15 Electronic box removal 4-16 Face up paper exit assembly removal 4-17 Front cover open switch actuator removal 4-17 Fuser removal 4-18 Gear cover removal/Multipurpose feeder frame assembly 4-19 High voltage power supply...
Service Manual
Page 11
... 4: Covers 4 7-6 Assembly 5: Covers 5 7-7 Assembly 6: Upper unit 7-8 Assembly 7: Paper feed 7-10 Assembly 8: Base 2 7-12 Assembly 9: Base 3 7-14 Assembly 10: Electrical A 7-16 Assembly 11: Electrical B 7-20 Assembly 12: RIP board 7-22 Assembly 13: Fuser unit 7-23 Assembly 14: Cassette 7-24 Assembly 15: Expansion feeder 1... 7-26 Assembly 16: Expansion feeder 2 7-28 Assembly 17: Duplex unit 1 7-30 Assembly 18: Duplex Unit 1 7-31 Assembly 19: Duplex unit 2 7-32 Assembly 20: High...
... 4: Covers 4 7-6 Assembly 5: Covers 5 7-7 Assembly 6: Upper unit 7-8 Assembly 7: Paper feed 7-10 Assembly 8: Base 2 7-12 Assembly 9: Base 3 7-14 Assembly 10: Electrical A 7-16 Assembly 11: Electrical B 7-20 Assembly 12: RIP board 7-22 Assembly 13: Fuser unit 7-23 Assembly 14: Cassette 7-24 Assembly 15: Expansion feeder 1... 7-26 Assembly 16: Expansion feeder 2 7-28 Assembly 17: Duplex unit 1 7-30 Assembly 18: Duplex Unit 1 7-31 Assembly 19: Duplex unit 2 7-32 Assembly 20: High...
Service Manual
Page 39
Use the error code charts, symptom index, and service checks to the correct field replaceable unit (FRU) or part. Do not use solvents or chemical cleaners to clean the printer interior. • Use only the specified oil or lubricant on ...imply one or more pins are lubricated at the factory). • Inspect and, if necessary, clean all supplies (OCR, cartridges, photodevelopers/toner cartridges, belts, fuser maintenance kits and paper sources (cassettes, trays, feeders, duplex drawers, finisher, mailbox trays) for damaged wires, loose connections, toner leakage, loose springs, and damaged...
Use the error code charts, symptom index, and service checks to the correct field replaceable unit (FRU) or part. Do not use solvents or chemical cleaners to clean the printer interior. • Use only the specified oil or lubricant on ...imply one or more pins are lubricated at the factory). • Inspect and, if necessary, clean all supplies (OCR, cartridges, photodevelopers/toner cartridges, belts, fuser maintenance kits and paper sources (cassettes, trays, feeders, duplex drawers, finisher, mailbox trays) for damaged wires, loose connections, toner leakage, loose springs, and damaged...
Service Manual
Page 45
...assembly. Evenly spaced marks on every page. Go to "920 - Make sure the color print units are completely installed in the same place on the paper, or a single mark in the ...is in the up from upper or lower cassettes. You cannot clear the paper jam message. Fuser Error-Fuser Heater Trouble" on the types of paper • Low image density • White and... 2-56. The printer performs this same calibration each time you were using the recommended Lexmark transparencies. The printer seems slow to improve the print quality. 5056-XXX Symptom table Symptom...
...assembly. Evenly spaced marks on every page. Go to "920 - Make sure the color print units are completely installed in the same place on the paper, or a single mark in the ...is in the up from upper or lower cassettes. You cannot clear the paper jam message. Fuser Error-Fuser Heater Trouble" on the types of paper • Low image density • White and... 2-56. The printer performs this same calibration each time you were using the recommended Lexmark transparencies. The printer seems slow to improve the print quality. 5056-XXX Symptom table Symptom...
Service Manual
Page 79
...without stapling. -Cancel the current job. The transfer belt is nearing the end of paper from the Lexmark Web site. The specified paper tray is low. Install the specified print unit, and close the top cover. 5056-XXX Message Serial Some held jobs until there is enough printer... buffer. -Cancel the current job. 1565 Emul Error Load Emul Option 30 Coating roll missing 30 print unit missing 34 Incorrect media The printer automatically clears the message in the fuser is the active communication link. -Select Continue to clear the message and continue printing. -Cancel the current...
...without stapling. -Cancel the current job. The transfer belt is nearing the end of paper from the Lexmark Web site. The specified paper tray is low. Install the specified print unit, and close the top cover. 5056-XXX Message Serial Some held jobs until there is enough printer... buffer. -Cancel the current job. 1565 Emul Error Load Emul Option 30 Coating roll missing 30 print unit missing 34 Incorrect media The printer automatically clears the message in the fuser is the active communication link. -Select Continue to clear the message and continue printing. -Cancel the current...
Service Manual
Page 86
Clean the paper level sensor. Go to step 3. Problem solved. Replace printer controller board. Replace the fuser. Go to step 5. Repair or replace the paper level flag. Go to the paper feed unit. Properly install the OCR. Properly connect CN19. Reattach the sensor to step 6. Go to see if ... 1 Is the "Tray (x) Low" message present? 2 Is the paper level flag on the rear of the fuser damaged or broken? 4 Is CN19 on the printer controller board properly connected? Go to the paperfeed unit? 6 Is the paper out ball actuator broken? Go to step 2. 2 Is the OCR fuse missing? 3...
Clean the paper level sensor. Go to step 3. Problem solved. Replace printer controller board. Replace the fuser. Go to step 5. Repair or replace the paper level flag. Go to the paper feed unit. Properly install the OCR. Properly connect CN19. Reattach the sensor to step 6. Go to see if ... 1 Is the "Tray (x) Low" message present? 2 Is the paper level flag on the rear of the fuser damaged or broken? 4 Is CN19 on the printer controller board properly connected? Go to the paperfeed unit? 6 Is the paper out ball actuator broken? Go to step 2. 2 Is the OCR fuse missing? 3...
Service Manual
Page 99
... roller • Face-up delivery. If the voltage fluctuates as necessary. FRU 1 • Transfer belt unit • Rear paper guide • Discharge brush • Fuser 2 Fuser separation pawl Action Remove any buildup of the solenoid. Replace the fuser if paper jams cannot be removed. Do a continuity check of toner. Be sure connector CN7 is...
... roller • Face-up delivery. If the voltage fluctuates as necessary. FRU 1 • Transfer belt unit • Rear paper guide • Discharge brush • Fuser 2 Fuser separation pawl Action Remove any buildup of the solenoid. Replace the fuser if paper jams cannot be removed. Do a continuity check of toner. Be sure connector CN7 is...
Service Manual
Page 105
... all three of the page. If the problem remains, go to "Uneven printing" on page 2-67. Diagnostic information 2-63 Be sure the affected print unit is still a problem, go to "Black line" on toner, remove the appropriate toner cartridge, and gently shake it back and forth to 4 from ... If you suspect a toner cartridge is low on page 2-66. Reinsert the print unit and try printing the job again. If the problem only occurs when printing black, replace just the black photodeveloper and fuser coating roll. Toner specks appear on the printed page, or print appears blurred or unclear...
... all three of the page. If the problem remains, go to "Uneven printing" on page 2-67. Diagnostic information 2-63 Be sure the affected print unit is still a problem, go to "Black line" on toner, remove the appropriate toner cartridge, and gently shake it back and forth to 4 from ... If you suspect a toner cartridge is low on page 2-66. Reinsert the print unit and try printing the job again. If the problem only occurs when printing black, replace just the black photodeveloper and fuser coating roll. Toner specks appear on the printed page, or print appears blurred or unclear...
Service Manual
Page 106
...photodeveloper is completely installed in the printer. If the problem remains, go to "Uneven printing" on the printed page. Be sure the affected print unit is completely installed in the printer. Replace the affected toner cartridge. Be sure you 're using recommended paper or media. Be sure the top cover... the toner evenly. Replace the affected toner cartridge. Remove the affected toner cartridge, and gently shake it back and forth to replace the fuser. 2-64 Service Manual Be sure you have selected the correct Paper Weight setting for the media you 're using .
...photodeveloper is completely installed in the printer. If the problem remains, go to "Uneven printing" on the printed page. Be sure the affected print unit is completely installed in the printer. Replace the affected toner cartridge. Be sure you 're using recommended paper or media. Be sure the top cover... the toner evenly. Replace the affected toner cartridge. Remove the affected toner cartridge, and gently shake it back and forth to replace the fuser. 2-64 Service Manual Be sure you have selected the correct Paper Weight setting for the media you 're using .
Service Manual
Page 108
... the customer about correct storage. If the problem remains, replace the high voltage unit. Be sure the LED printhead cable is not curled or wavy due to moisture. Replace the fuser. Be sure the charge roll or belt is scratched. Turn the printer off ...registration. No image Possible cause Moist paper LED printhead High voltage unit (HVU) Printer controller board Printhead controller board Black line Possible cause Photodeveloper drum • Fuser detach pawl • Fuser roller surface • Fuser thermistor surface LED printhead Action Be sure the printer is not ...
... the customer about correct storage. If the problem remains, replace the high voltage unit. Be sure the LED printhead cable is not curled or wavy due to moisture. Replace the fuser. Be sure the charge roll or belt is scratched. Turn the printer off ...registration. No image Possible cause Moist paper LED printhead High voltage unit (HVU) Printer controller board Printhead controller board Black line Possible cause Photodeveloper drum • Fuser detach pawl • Fuser roller surface • Fuser thermistor surface LED printhead Action Be sure the printer is not ...
Service Manual
Page 110
...the options slots on page 3-10 from the serial cable and host computer. Replace the belt unit if it is not listed. Flash Memory Option(s) Run a copy of the other option slots to the fuser rolls or the oil coating roller (OCR). The printer does not recognize the option being ...isolate the printer from the menu if the DRAM Memory card assembly is listed. 5056-XXX Periodic dirt Possible cause Oil coating fuser roller (OCR) Photoconductor drum Transfer belt unit Action Check for scratches or nicks. If the Memory card assembly is not broken or damaged. If the problem continues, ...
...the options slots on page 3-10 from the serial cable and host computer. Replace the belt unit if it is not listed. Flash Memory Option(s) Run a copy of the other option slots to the fuser rolls or the oil coating roller (OCR). The printer does not recognize the option being ...isolate the printer from the menu if the DRAM Memory card assembly is listed. 5056-XXX Periodic dirt Possible cause Oil coating fuser roller (OCR) Photoconductor drum Transfer belt unit Action Check for scratches or nicks. If the Memory card assembly is not broken or damaged. If the problem continues, ...
Service Manual
Page 205
...13. Remove the eight screws from the fuser connector plate. Remove the three screws from the bracket. Open the top unit, and remove the gear cover, upper cassette, left side cover, power unit 1, and power unit 2. 4. Remove the fuser unit, face up paper delivery unit, belt up/down clutch, and DC ...drive motor. 7. After removing the two screws on the bracket that attaches the rear side and paper exit side of the fuser connector cable assembly from the...
...13. Remove the eight screws from the fuser connector plate. Remove the three screws from the bracket. Open the top unit, and remove the gear cover, upper cassette, left side cover, power unit 1, and power unit 2. 4. Remove the fuser unit, face up paper delivery unit, belt up/down clutch, and DC ...drive motor. 7. After removing the two screws on the bracket that attaches the rear side and paper exit side of the fuser connector cable assembly from the...
Service Manual
Page 287
... maintenance 6-1 Paper path maintenance A paper path maintenance kit can be used when a machine is 40X1109. Maintenance kit P/N 40X1251 56P2650 56P2651 Unit Transfer Belt Fuser Fuser Printer power supply 115 V-230 V 115 V 230 V The status message appears until the appropriate part(s) is composed of the following message... frame Pickup roll Paper feed roll Separator roll FD paper exit roller In addition to replace the fuser unit and/or transfer belt unit: 80 Belt Life Warning and/or 80 Fuser Life Warning Routine replacement of Nyogel 744 (part number 40X0179). 5056-XXX 6.
... maintenance 6-1 Paper path maintenance A paper path maintenance kit can be used when a machine is 40X1109. Maintenance kit P/N 40X1251 56P2650 56P2651 Unit Transfer Belt Fuser Fuser Printer power supply 115 V-230 V 115 V 230 V The status message appears until the appropriate part(s) is composed of the following message... frame Pickup roll Paper feed roll Separator roll FD paper exit roller In addition to replace the fuser unit and/or transfer belt unit: 80 Belt Life Warning and/or 80 Fuser Life Warning Routine replacement of Nyogel 744 (part number 40X0179). 5056-XXX 6.
Service Manual
Page 288
... it is still dirty, clean with a dry cloth. 5056-XXX Periodic maintenance This table lists the parts to gears. Part name Paper feed unit Registration unit Charge/exposure unit Transfer unit Fuser unit Outer covers Method • Pick roller • Separator roller • Paper feed roller • MPF roll Remove any dust or dirt, and wipe...
... it is still dirty, clean with a dry cloth. 5056-XXX Periodic maintenance This table lists the parts to gears. Part name Paper feed unit Registration unit Charge/exposure unit Transfer unit Fuser unit Outer covers Method • Pick roller • Separator roller • Paper feed roller • MPF roll Remove any dust or dirt, and wipe...
Service Manual
Page 355
5056-XXX Flushing buffer 2-32 Formatting Disk 2-32 Formatting Disk yyy% 2-32 Formatting Flash 2-32 Fuser Life Warning 2-32 fuser unit parts catalog 7-23 removal 4-18 H Handling ESD-sensitive parts 4-1 Hex Trace 2-32 high-capacity feeder call roller removal 4-59 covers removal 4-58 diagram 5-19 ... open bin 1 exit tray 2-46 false 88 toner low/toner empty 2-45 false close top door 2-43 false close tray (x) top cover 2-43 false print unit missing 2-45 false side door open 2-43 false tray (x) low/empty 2-44 paper size 2-48 unrecoverable check tray (x) or duplex connection 2-47 maintenance kit 6-1...
5056-XXX Flushing buffer 2-32 Formatting Disk 2-32 Formatting Disk yyy% 2-32 Formatting Flash 2-32 Fuser Life Warning 2-32 fuser unit parts catalog 7-23 removal 4-18 H Handling ESD-sensitive parts 4-1 Hex Trace 2-32 high-capacity feeder call roller removal 4-59 covers removal 4-58 diagram 5-19 ... open bin 1 exit tray 2-46 false 88 toner low/toner empty 2-45 false close top door 2-43 false close tray (x) top cover 2-43 false print unit missing 2-45 false side door open 2-43 false tray (x) low/empty 2-44 paper size 2-48 unrecoverable check tray (x) or duplex connection 2-47 maintenance kit 6-1...
Service Manual
Page 356
...7-28 finisher covers 7-46, 7-47 docking 7-55, 7-56 electronics 7-54 elevator 7-53 feed 7-50, 7-51, 7-52 frame 7-48, 7-49 finisher parts packet 7-63 fuser unit 7-23 high-capacity feeder 7-34, 7-36, 7-38, 7-40, 7-42, 7-43, 7-44, 7-45 miscellaneous 7-57 options 7-57 parts packets 7-58 RIP board 7-22 upper... 4-55 paper carrying motor 4-57 pressure roller and solenoid 4-55 side fence motor assembly 4-56 side fence removal 4-56 timing belt 4-54 duplex unit connector 4-14 electronic box 4-16 eraser 4-21 face down guide assembly 4-32 face up paper exit assembly 4-17 finisher control board 4-64 elevator ...
...7-28 finisher covers 7-46, 7-47 docking 7-55, 7-56 electronics 7-54 elevator 7-53 feed 7-50, 7-51, 7-52 frame 7-48, 7-49 finisher parts packet 7-63 fuser unit 7-23 high-capacity feeder 7-34, 7-36, 7-38, 7-40, 7-42, 7-43, 7-44, 7-45 miscellaneous 7-57 options 7-57 parts packets 7-58 RIP board 7-22 upper... 4-55 paper carrying motor 4-57 pressure roller and solenoid 4-55 side fence motor assembly 4-56 side fence removal 4-56 timing belt 4-54 duplex unit connector 4-14 electronic box 4-16 eraser 4-21 face down guide assembly 4-32 face up paper exit assembly 4-17 finisher control board 4-64 elevator ...
