User's Guide
Page 132
Replacing the charge roll 132 Supplies and maintenance information 12 Remove the charge roll wrapper by pulling it off the roller and out of the printer. 13 Reinstall the print cartridge and close the front door. 14 Plug the printer power cord into a properly grounded electrical outlet.
Replacing the charge roll 132 Supplies and maintenance information 12 Remove the charge roll wrapper by pulling it off the roller and out of the printer. 13 Reinstall the print cartridge and close the front door. 14 Plug the printer power cord into a properly grounded electrical outlet.
Service Manual
Page 5
... removal 4-29 Fuser exit sensor removal 4-33 Cartridge contact assembly removal 4-34 Tray damper and spring removal 4-35 Door latch removal 4-36 Paper guide roller removal 4-37 Charge roll removal 4-38 Right guide removal 4-39 Left guide removal 4-40 Cartridge signature button sensor removal 4-42 Transfer roll assembly 4-43 Bracket, paper detect...
... removal 4-29 Fuser exit sensor removal 4-33 Cartridge contact assembly removal 4-34 Tray damper and spring removal 4-35 Door latch removal 4-36 Paper guide roller removal 4-37 Charge roll removal 4-38 Right guide removal 4-39 Left guide removal 4-40 Cartridge signature button sensor removal 4-42 Transfer roll assembly 4-43 Bracket, paper detect...
Service Manual
Page 6
...flag) removal 4-66 MPF paper sensor removal 4-67 Lower MPF housing assembly removal 4-70 Backup feed roller assembly removal 4-72 MPF pick roller assembly removal 4-73 HVPS card removal 4-75 LVPS fan removal 4-76 LVPS card removal 4-77 ...use this parts catalog 7-1 Assembly 1: Covers 7-2 Assembly 2: Paper feed 7-4 Assembly 3: Frame 7-6 Assembly 4: Multipurpose feeder (MPF 7-8 Assembly 5: Fuser 7-9 Assembly 6: Charging 7-10 Assembly 7: Electronics and cables 1 7-12 Assembly 8: Electronics and cables 2 7-14 Assembly 9: Sensors 7-18 Assembly 10: Options 7-20 Index I-1 Part number...
...flag) removal 4-66 MPF paper sensor removal 4-67 Lower MPF housing assembly removal 4-70 Backup feed roller assembly removal 4-72 MPF pick roller assembly removal 4-73 HVPS card removal 4-75 LVPS fan removal 4-76 LVPS card removal 4-77 ...use this parts catalog 7-1 Assembly 1: Covers 7-2 Assembly 2: Paper feed 7-4 Assembly 3: Frame 7-6 Assembly 4: Multipurpose feeder (MPF 7-8 Assembly 5: Fuser 7-9 Assembly 6: Charging 7-10 Assembly 7: Electronics and cables 1 7-12 Assembly 8: Electronics and cables 2 7-14 Assembly 9: Sensors 7-18 Assembly 10: Options 7-20 Index I-1 Part number...
Service Manual
Page 55
... may be re-transmitted from the host. For Tray x, x= 2 or 3. This error displays when the microcode to clear the message. Replace the fuser assembly, transfer roller, charge roll, and pick rolls at this message. The parts are ignored. The microcode data is discarded and must be taken: • Turn off the printer...
... may be re-transmitted from the host. For Tray x, x= 2 or 3. This error displays when the microcode to clear the message. Replace the fuser assembly, transfer roller, charge roll, and pick rolls at this message. The parts are ignored. The microcode data is discarded and must be taken: • Turn off the printer...
Service Manual
Page 86
...the controller card assembly. Make sure recommended paper is applied to the fuser belt. The cartridge may be nearing end-of the fuser backup roller to evenly distribute the toner. Check springs at each end of -life. If this does not correct the problem, replace the HVPS. ... gently shake the assembly to ensure adequate and even pressure is being used. 2-52 Service Manual 4048-1xx Heavy background Poor development or poorly charged toner particles cause excessive background. If the print cartridge is installed correctly and the problem persists, try a new one. If the cartridge is...
...the controller card assembly. Make sure recommended paper is applied to the fuser belt. The cartridge may be nearing end-of the fuser backup roller to evenly distribute the toner. Check springs at each end of -life. If this does not correct the problem, replace the HVPS. ... gently shake the assembly to ensure adequate and even pressure is being used. 2-52 Service Manual 4048-1xx Heavy background Poor development or poorly charged toner particles cause excessive background. If the print cartridge is installed correctly and the problem persists, try a new one. If the cartridge is...
Service Manual
Page 87
... equal forces at both ends of the transfer roller. If one side has a much lower force than the other, check the spring of wear or damage and replace if necessary. Poor fusing of the charge roll. Check for signs of the guide assembly. See "Cold fuser service check" on page... 4-43. The bearing assemblies should support the transfer roller, applying even pressure to the paper. Make sure recommended paper is not...
... equal forces at both ends of the transfer roller. If one side has a much lower force than the other, check the spring of wear or damage and replace if necessary. Poor fusing of the charge roll. Check for signs of the guide assembly. See "Cold fuser service check" on page... 4-43. The bearing assemblies should support the transfer roller, applying even pressure to the paper. Make sure recommended paper is not...
Service Manual
Page 214
... and reliability of the printer. Maintenance kit contents Description Part number Tray 1 paper feed roll 56P2352 Transfer roll assembly 56P2329 Charge roll 56P0640 Fuser assembly See note below Rear cover assembly 56P2302 Lower MPF housing assembly 56P2311 Lubricant, Nyogel 744 99A0394 Maintenance... 6-2 Service Manual See "Reset Maint Cnt" on page 3-22. It may be reset to zero to replace the fuser assembly, transfer roller, charge roll, and pick tires at a fixed page count interval. The parts are available as a maintenance kit with the following part numbers: Maintenance...
... and reliability of the printer. Maintenance kit contents Description Part number Tray 1 paper feed roll 56P2352 Transfer roll assembly 56P2329 Charge roll 56P0640 Fuser assembly See note below Rear cover assembly 56P2302 Lower MPF housing assembly 56P2311 Lubricant, Nyogel 744 99A0394 Maintenance... 6-2 Service Manual See "Reset Maint Cnt" on page 3-22. It may be reset to zero to replace the fuser assembly, transfer roller, charge roll, and pick tires at a fixed page count interval. The parts are available as a maintenance kit with the following part numbers: Maintenance...
Service Manual
Page 243
... 2-pin connector 4-46 3-pin connector 4-46 bottom pan (non-duplex) 4-25 cartridge contact assembly 4-34 cartridge coupling assembly 4-65 cartridge signature button sensor 4-42 charge roll 4-38 controller card 4-50 controller card and cage 4-48 cooling fan 4-82 covers front 4-9 left side 4-14 MPF door cover 4-8 rear 4-15 rear ... assembly 4-70 LVPS card 4-77 LVPS fan 4-76 main drive assembly 4-55 main drive motor assembly 4-53 MPF paper sensor 4-67 MPF pick roller assembly 4-73 operator panel assembly 4-22 operator panel cable 4-20 output tray full flags 4-18 paper detect bracket 4-44 paper guide...
... 2-pin connector 4-46 3-pin connector 4-46 bottom pan (non-duplex) 4-25 cartridge contact assembly 4-34 cartridge coupling assembly 4-65 cartridge signature button sensor 4-42 charge roll 4-38 controller card 4-50 controller card and cage 4-48 cooling fan 4-82 covers front 4-9 left side 4-14 MPF door cover 4-8 rear 4-15 rear ... assembly 4-70 LVPS card 4-77 LVPS fan 4-76 main drive assembly 4-55 main drive motor assembly 4-53 MPF paper sensor 4-67 MPF pick roller assembly 4-73 operator panel assembly 4-22 operator panel cable 4-20 output tray full flags 4-18 paper detect bracket 4-44 paper guide...
Service Manual
Page 245
... Interlock cover switch 7-15 56P0629 Cartridge contact assembly 7-7 56P0634 Paper feed gear 7-5 56P0638 Cartridge coupling 7-5 56P0639 Guide bracket 7-5 56P0640 Charge roll 6-2, 7-11 56P0645 Photo sensor 7-5, 7-15, 7-19 56P0649 Fuser exit cable assembly 7-15 56P0651 Duplex assembly (101, 102 ...7-5 56P0653 Toner level sensor 7-15, 7-19 56P0655 Paper sensor bracket 7-5 56P0657 Paper feed assembly 7-5 56P0660 Paper guide roller 7-7 56P0661 Tray damper 7-7 56P0662 Base feet 7-7 56P0665 3-pin connector 7-15 56P0666 2-pin connector 7-15 56P0667 Door latch 7-7 56P0668 Parts...
... Interlock cover switch 7-15 56P0629 Cartridge contact assembly 7-7 56P0634 Paper feed gear 7-5 56P0638 Cartridge coupling 7-5 56P0639 Guide bracket 7-5 56P0640 Charge roll 6-2, 7-11 56P0645 Photo sensor 7-5, 7-15, 7-19 56P0649 Fuser exit cable assembly 7-15 56P0651 Duplex assembly (101, 102 ...7-5 56P0653 Toner level sensor 7-15, 7-19 56P0655 Paper sensor bracket 7-5 56P0657 Paper feed assembly 7-5 56P0660 Paper guide roller 7-7 56P0661 Tray damper 7-7 56P0662 Base feet 7-7 56P0665 3-pin connector 7-15 56P0666 2-pin connector 7-15 56P0667 Door latch 7-7 56P0668 Parts...