Troubleshooting Guide
Page 9
... remains faded, and then replace the toner cartridge. Replace the photoconductor(s). Note: The printer has four photoconductors: cyan, magenta, yellow, and black. IS THE TRANSFER BELT DEFECTIVE? Replace the transfer belt. HAS THE PAPER ABSORBED MOISTURE DUE TO HIGH HUMIDITY? • Load paper from a fresh package. • Store paper in its original wrapper until...
... remains faded, and then replace the toner cartridge. Replace the photoconductor(s). Note: The printer has four photoconductors: cyan, magenta, yellow, and black. IS THE TRANSFER BELT DEFECTIVE? Replace the transfer belt. HAS THE PAPER ABSORBED MOISTURE DUE TO HIGH HUMIDITY? • Load paper from a fresh package. • Store paper in its original wrapper until...
User's Guide
Page 247
... printhead lenses may be replaced separately. Light colored line, white line, or incorrectly colored line These are possible solutions. Replace the transfer belt. 247 Is a toner cartridge defective? Is the transfer belt defective? Incorrect margins Check the paper guides Move the guides in the tray to print, specify the correct page size in the...
... printhead lenses may be replaced separately. Light colored line, white line, or incorrectly colored line These are possible solutions. Replace the transfer belt. 247 Is a toner cartridge defective? Is the transfer belt defective? Incorrect margins Check the paper guides Move the guides in the tray to print, specify the correct page size in the...
Service Manual
Page 3
... Registration 1-11 Sensor (registration 1-11 Sensor (transparency detect 1-11 Registration clutch 1-11 Media transport roll assembly 1-11 Registration roll assembly 1-11 Transfer 1-12 Transfer belt drive motor assembly 1-12 Transfer belt cleaning assembly 1-12 Transfer belt unit assembly 1-13 Table of contents iii Notices and safety information xxi Laser notice xxi Safety information xxvii Preface xxx Conventions...
... Registration 1-11 Sensor (registration 1-11 Sensor (transparency detect 1-11 Registration clutch 1-11 Media transport roll assembly 1-11 Registration roll assembly 1-11 Transfer 1-12 Transfer belt drive motor assembly 1-12 Transfer belt cleaning assembly 1-12 Transfer belt unit assembly 1-13 Table of contents iii Notices and safety information xxi Laser notice xxi Safety information xxvii Preface xxx Conventions...
Service Manual
Page 4
7510 Transfer belt steering motor 1-13 2nd transfer roll assembly 1-13 2nd transfer roll retract motor 1-13 Sensor (2nd transfer roll HP 1-14 Printhead assembly 1-14 Printhead shutter 1-17 Fuser 1-18 Heat roll 1-18 Pressure belt 1-19 Heater lamp 1-19 Thermostat 1-19 Front thermistor 1-19 Rear thermistor 1-19 Fuser ...23 Fuser cooling fan 1-23 AC drive card assembly 1-23 5V LVPS card assembly 1-24 24V LVPS card assembly 1-24 CMYK transfer roll HVPS card assembly 1-24 Developer roll HVPS card assembly 1-24 Charge roll HVPS card assembly 1-24 Upper printer engine card assembly...
7510 Transfer belt steering motor 1-13 2nd transfer roll assembly 1-13 2nd transfer roll retract motor 1-13 Sensor (2nd transfer roll HP 1-14 Printhead assembly 1-14 Printhead shutter 1-17 Fuser 1-18 Heat roll 1-18 Pressure belt 1-19 Heater lamp 1-19 Thermostat 1-19 Front thermistor 1-19 Rear thermistor 1-19 Fuser ...23 Fuser cooling fan 1-23 AC drive card assembly 1-23 5V LVPS card assembly 1-24 24V LVPS card assembly 1-24 CMYK transfer roll HVPS card assembly 1-24 Developer roll HVPS card assembly 1-24 Charge roll HVPS card assembly 1-24 Upper printer engine card assembly...
Service Manual
Page 9
...903.03 Developer drive motor error 2-134 904.00 Sensor (transfer belt HP) late error 2-135 904.01 Transfer belt position failure 2-135 904.02 Sensor (transfer belt edge) failure 2-136 904.03 Sensor (2nd transfer roll retract HP) late error 2-137 904.04 Sensor (2nd transfer roll retract HP) lag error 2-138 904.05 Sensor ...144 907.05 Printhead control error 2-144 908.00 Waste toner full error 2-145 911.00 24V LVPS cooling fan error 2-145 911.01 Transfer belt drive motor cooling fan error 2-146 911.02 Fuser cooling fan lock error 2-146 918.00 Standard media exit shift error 2-147 920.00...
...903.03 Developer drive motor error 2-134 904.00 Sensor (transfer belt HP) late error 2-135 904.01 Transfer belt position failure 2-135 904.02 Sensor (transfer belt edge) failure 2-136 904.03 Sensor (2nd transfer roll retract HP) late error 2-137 904.04 Sensor (2nd transfer roll retract HP) lag error 2-138 904.05 Sensor ...144 907.05 Printhead control error 2-144 908.00 Waste toner full error 2-145 911.00 24V LVPS cooling fan error 2-145 911.01 Transfer belt drive motor cooling fan error 2-146 911.02 Fuser cooling fan lock error 2-146 918.00 Standard media exit shift error 2-147 920.00...
Service Manual
Page 10
... (short edge) in the media paper tray 2-177 PC cartridge end of life 2-177 Printer front door assembly open 2-178 Printer left door open 2-179 Transfer belt access door open 2-180 Printer left lower door assembly open 2-180 100K maintenance required 2-181 600K maintenance required 2-181 ADF maintenance required 2-182 Standard media...
... (short edge) in the media paper tray 2-177 PC cartridge end of life 2-177 Printer front door assembly open 2-178 Printer left door open 2-179 Transfer belt access door open 2-180 Printer left lower door assembly open 2-180 100K maintenance required 2-181 600K maintenance required 2-181 ADF maintenance required 2-182 Standard media...
Service Manual
Page 13
... 4-12 Duplex drive motor removal 4-13 Duplex controller card assembly removal 4-14 Fuser unit assembly removal 4-15 Transfer belt unit assembly removal 4-16 Transfer belt cleaning assembly removal 4-17 Standard media exit shift assembly removal 4-17 Standard media exit bin full actuator removal...left door damper removal 4-28 Sensor (media on belt) removal 4-30 2nd transfer roll retract cam assembly removal 4-31 Sensor (2nd transfer roll retract HP) removal 4-34 2nd transfer roll retract motor assembly removal 4-35 2nd transfer roll assembly removal 4-35 Registration / transport roll...
... 4-12 Duplex drive motor removal 4-13 Duplex controller card assembly removal 4-14 Fuser unit assembly removal 4-15 Transfer belt unit assembly removal 4-16 Transfer belt cleaning assembly removal 4-17 Standard media exit shift assembly removal 4-17 Standard media exit bin full actuator removal...left door damper removal 4-28 Sensor (media on belt) removal 4-30 2nd transfer roll retract cam assembly removal 4-31 Sensor (2nd transfer roll retract HP) removal 4-34 2nd transfer roll retract motor assembly removal 4-35 2nd transfer roll assembly removal 4-35 Registration / transport roll...
Service Manual
Page 14
... unit assembly removal 4-53 Developer carrier removal and replacement 4-56 Photoconductor (PC) unit assembly removal 4-59 Transfer belt lift latch assembly removal 4-61 Transfer belt steering motor removal 4-63 CMY erase lamp assembly removal 4-63 K erase lamp assembly removal 4-64 Printhead ...engine card bracket assembly removal 4-78 Lower printer engine card assembly removal 4-79 Transfer belt drive motor cooling fan removal 4-80 Transfer belt drive motor assembly removal 4-81 Switch (transfer belt access door interlock) removal 4-81 Laser diode power card assembly removal 4-82 ...
... unit assembly removal 4-53 Developer carrier removal and replacement 4-56 Photoconductor (PC) unit assembly removal 4-59 Transfer belt lift latch assembly removal 4-61 Transfer belt steering motor removal 4-63 CMY erase lamp assembly removal 4-63 K erase lamp assembly removal 4-64 Printhead ...engine card bracket assembly removal 4-78 Lower printer engine card assembly removal 4-79 Transfer belt drive motor cooling fan removal 4-80 Transfer belt drive motor assembly removal 4-81 Switch (transfer belt access door interlock) removal 4-81 Laser diode power card assembly removal 4-82 ...
Service Manual
Page 18
...Assembly 1: Covers 1 7-2 Assembly 2: Covers 2 7-3 Assembly 3: Covers 3 7-4 Assembly 4: PC cartridge and developer drive 7-5 Assembly 5: ID sensor and transfer belt steering 7-6 Assembly 6: Media tray 7-7 Assembly 7: Printer left lower door and media feed unit 7-8 Assembly 8: Media feed unit 7-9 Assembly 9: MPF feed ...and waste toner 7-23 Assembly 22: Erase lamps and developer interlock plate 7-24 Assembly 23: Transfer belt lift 1 7-25 Assembly 24: Transfer belt 7-26 Assembly 25: Transfer belt lift 2 7-27 Assembly 26: Toner Dispense 7-28 Assembly 27: Developer unit assemblies 7-29 ...
...Assembly 1: Covers 1 7-2 Assembly 2: Covers 2 7-3 Assembly 3: Covers 3 7-4 Assembly 4: PC cartridge and developer drive 7-5 Assembly 5: ID sensor and transfer belt steering 7-6 Assembly 6: Media tray 7-7 Assembly 7: Printer left lower door and media feed unit 7-8 Assembly 8: Media feed unit 7-9 Assembly 9: MPF feed ...and waste toner 7-23 Assembly 22: Erase lamps and developer interlock plate 7-24 Assembly 23: Transfer belt lift 1 7-25 Assembly 24: Transfer belt 7-26 Assembly 25: Transfer belt lift 2 7-27 Assembly 26: Toner Dispense 7-28 Assembly 27: Developer unit assemblies 7-29 ...