Service Manual
Page 6
... and exit deflector removal 4-18 Controller board removal 4-19 Developer unit removal 4-21 Duplex sensor removal 4-21 Exit deflector and bin full sensor flag removal 4-24 Fuser assembly removal 4-26 Fuser drive motor assembly removal 4-29 Fuser exit sensor removal 4-30 High-voltage power supply (HVPS) assembly removal 4-31 Image transfer unit (ITU) removal 4-33 Imaging unit (IU) removal 4-35 Low-voltage...
... and exit deflector removal 4-18 Controller board removal 4-19 Developer unit removal 4-21 Duplex sensor removal 4-21 Exit deflector and bin full sensor flag removal 4-24 Fuser assembly removal 4-26 Fuser drive motor assembly removal 4-29 Fuser exit sensor removal 4-30 High-voltage power supply (HVPS) assembly removal 4-31 Image transfer unit (ITU) removal 4-33 Imaging unit (IU) removal 4-35 Low-voltage...
Service Manual
Page 37
... panel display is dim and unchanging" on page 2-37. Press Menu ( ) on the operator panel (Settings->General Settings->Timeouts->Print Timeout.) • Remove and flex the paper in the tray. • Make sure the paper is important to "Operator panel display blank, five beeps" on page 2-41.... Operator panel-display is dim and unchanging. Go to "One or more buttons do not work . Therefore the toner goes into the ITU cleaner which cannot process massive amounts of the paper guides. • The multipurpose feeder does not automatically sense the paper size. Multipurpose ...
... panel display is dim and unchanging" on page 2-37. Press Menu ( ) on the operator panel (Settings->General Settings->Timeouts->Print Timeout.) • Remove and flex the paper in the tray. • Make sure the paper is important to "Operator panel display blank, five beeps" on page 2-41.... Operator panel-display is dim and unchanging. Go to "One or more buttons do not work . Therefore the toner goes into the ITU cleaner which cannot process massive amounts of the paper guides. • The multipurpose feeder does not automatically sense the paper size. Multipurpose ...
Service Manual
Page 77
... printhead. In Ready mode, press Menus ( ). 2. In Ready mode, press Menus ( ). 2. Go to the image transfer unit (ITU). supply (HVPS) assembly removal" on page 4-21. Problem resolved. Does this value: Go to step 4. 4 Replace the photoconductor unit. Select the imaging unit , ...-voltage power Problem resolved. If this fix the problem? See "Image transfer unit (ITU) removal" on page 4-33. • High-voltage power supply (HVPS). Using non-Lexmark toner cartridges may also cause background problems. Some problems occur by using rough paper or...
... printhead. In Ready mode, press Menus ( ). 2. In Ready mode, press Menus ( ). 2. Go to the image transfer unit (ITU). supply (HVPS) assembly removal" on page 4-21. Problem resolved. Does this value: Go to step 4. 4 Replace the photoconductor unit. Select the imaging unit , ...-voltage power Problem resolved. If this fix the problem? See "Image transfer unit (ITU) removal" on page 4-33. • High-voltage power supply (HVPS). Using non-Lexmark toner cartridges may also cause background problems. Some problems occur by using rough paper or...
Service Manual
Page 79
... of spring force? Check the developer cartridge contacts from one of the input paper sources, media trays, or duplex paper path. See "Rear shield removal" on page 4-19. Replace the controller board. The TPS sensor may not properly seated. Replace the highvoltage power supply as necessary. 5025-2xx, ... Print quality-blurred or fuzzy print Run the automatic alignment. Check the high-voltage spring contacts to move in the image transfer unit (ITU). See "Developer unit removal" on page 4-31. Diagnostic information 2-45 Resetting appears. Check the main drive gear assembly and...
... of spring force? Check the developer cartridge contacts from one of the input paper sources, media trays, or duplex paper path. See "Rear shield removal" on page 4-19. Replace the controller board. The TPS sensor may not properly seated. Replace the highvoltage power supply as necessary. 5025-2xx, ... Print quality-blurred or fuzzy print Run the automatic alignment. Check the high-voltage spring contacts to move in the image transfer unit (ITU). See "Developer unit removal" on page 4-31. Diagnostic information 2-45 Resetting appears. Check the main drive gear assembly and...
Service Manual
Page 80
... prompt, press Menu ( ). 2. Step Questions / actions Yes No 1 Measure the distance between bands either 34.6 or 94.2 mm? See "Imaging unit (IU) removal" on page 4-26. Replace the ITU. Check the various rollers in the printer for debris. Replace the photoconductor unit. Go to step 3. 3 Does the distance measure 37.7, 55, or...
... prompt, press Menu ( ). 2. Step Questions / actions Yes No 1 Measure the distance between bands either 34.6 or 94.2 mm? See "Imaging unit (IU) removal" on page 4-26. Replace the ITU. Check the various rollers in the printer for debris. Replace the photoconductor unit. Go to step 3. 3 Does the distance measure 37.7, 55, or...
Service Manual
Page 82
...page 4-21. Replace the image transfer unit. No Go to the photoconductor unit, developer roll, or transfer belt. See "Developer unit removal" on page 4-35. Print quality-random marks Service tip: The primary cause of support. 2-48 Service Manual Clean or replace the ... 3 Is there any loose or foreign material on page 4-33. Replace the developer unit. No Replace the developer unit. See "Image transfer unit (ITU) removal" on the transfer belt? Go to step 3. 5025-2xx, 4xx Print quality-narrow vertical line ABCDE ABCDE ABCDE Step Questions / actions 1 Replace the...
...page 4-21. Replace the image transfer unit. No Go to the photoconductor unit, developer roll, or transfer belt. See "Developer unit removal" on page 4-35. Print quality-random marks Service tip: The primary cause of support. 2-48 Service Manual Clean or replace the ... 3 Is there any loose or foreign material on page 4-33. Replace the developer unit. No Replace the developer unit. See "Image transfer unit (ITU) removal" on the transfer belt? Go to step 3. 5025-2xx, 4xx Print quality-narrow vertical line ABCDE ABCDE ABCDE Step Questions / actions 1 Replace the...
Service Manual
Page 87
...step 3. Go to step 2. Check the three spring-loaded contacts between the HVPS and the ITU located at the right rear of the printer and above the HVPS. See "Image transfer unit (ITU) removal" on page 4-11. The display should indicate Tray 1 Missing. Go to step 4. Problem...to step 6. Replace the controller board. See "Image transfer unit (ITU) removal" on page 4-19. 2 Turn the printer off , and remove the rear shield. Clean the contacts, and reinstall the ITU. Replace the HVPS. See "Controller board removal" on page 4-33. Replace the tray. Go to appear when ...
...step 3. Go to step 2. Check the three spring-loaded contacts between the HVPS and the ITU located at the right rear of the printer and above the HVPS. See "Image transfer unit (ITU) removal" on page 4-11. The display should indicate Tray 1 Missing. Go to step 4. Problem...to step 6. Replace the controller board. See "Image transfer unit (ITU) removal" on page 4-19. 2 Turn the printer off , and remove the rear shield. Clean the contacts, and reinstall the ITU. Replace the HVPS. See "Controller board removal" on page 4-33. Replace the tray. Go to appear when ...
Service Manual
Page 171
... the spring and the cam are held out of the new ITU before installing it is easier to the ITU. 6. Remove the imaging unit (IU). Rotate the left spring (B), and pivot the cam away from the side frames, leaving the right one attached to ... value from the barcode after the installation, and it . Remove the waste toner bottle. Repair information 4-33 Remove the right cover assembly. See "Imaging unit (IU) removal" on page 7-5 for the part number. 1. 5025-2xx, 4xx Image transfer unit (ITU) removal See "Image transfer unit (ITU) assembly" on page 4-35. 5. Write down the number...
... the spring and the cam are held out of the new ITU before installing it is easier to the ITU. 6. Remove the imaging unit (IU). Rotate the left spring (B), and pivot the cam away from the side frames, leaving the right one attached to ... value from the barcode after the installation, and it . Remove the waste toner bottle. Repair information 4-33 Remove the right cover assembly. See "Imaging unit (IU) removal" on page 7-5 for the part number. 1. 5025-2xx, 4xx Image transfer unit (ITU) removal See "Image transfer unit (ITU) assembly" on page 4-35. 5. Write down the number...
Service Manual
Page 191
... are the same, but the left sensor has a thermistor attached which needs to be removed when you are removing the left side. See "Rear shield removal" on the new TDS. 1. Reinstall the thermistor on page 4-11. 3. Remove the ITU. If you install a new TDS on page 7-8 for reinstallation. 4. Repair information ...JFUSES1 connector (B) on the controller board. Note: Observe the routing of the cable(s) for the part number. See "Image transfer unit (ITU) removal" on page 4-33. 2. Remove the rear shield. Note: The toner density sensor is also called the toner patch sensor (TPS...
... are the same, but the left sensor has a thermistor attached which needs to be removed when you are removing the left side. See "Rear shield removal" on the new TDS. 1. Reinstall the thermistor on page 4-11. 3. Remove the ITU. If you install a new TDS on page 7-8 for reinstallation. 4. Repair information ...JFUSES1 connector (B) on the controller board. Note: Observe the routing of the cable(s) for the part number. See "Image transfer unit (ITU) removal" on page 4-33. 2. Remove the rear shield. Note: The toner density sensor is also called the toner patch sensor (TPS...
Service Manual
Page 230
...Motor Detect 3-16 Print Tests input source tests 3-10 Prt Quality Pgs 3-11 Printer Setup Configuration ID 3-18 Defaults 3-17 Engine Setting 1-4 3-18 ITU Barcode 3-19 Model Name 3-18 Page Counts 3-17 Serial Number 3-18 Registration 3-4 Bottom Margin 3-4 Left Margin 3-4 Quick Test 3-5 Right Margin ...menu 3-25 diagnostics mode 3-21 exit deflector parts catalog 7-4 removal 4-24 F Factory Defaults 3-26 fan, service check 2-25 Flash Test 3-17 Font Sharpening 3-27 frame, lower left removal 4-39 right removal 4-41 fuser assembly parts catalog 7-4 removal 4-26 Reset Fuser Cnt 3-19 service check 2-24, 2-...
...Motor Detect 3-16 Print Tests input source tests 3-10 Prt Quality Pgs 3-11 Printer Setup Configuration ID 3-18 Defaults 3-17 Engine Setting 1-4 3-18 ITU Barcode 3-19 Model Name 3-18 Page Counts 3-17 Serial Number 3-18 Registration 3-4 Bottom Margin 3-4 Left Margin 3-4 Quick Test 3-5 Right Margin ...menu 3-25 diagnostics mode 3-21 exit deflector parts catalog 7-4 removal 4-24 F Factory Defaults 3-26 fan, service check 2-25 Flash Test 3-17 Font Sharpening 3-27 frame, lower left removal 4-39 right removal 4-41 fuser assembly parts catalog 7-4 removal 4-26 Reset Fuser Cnt 3-19 service check 2-24, 2-...
Service Manual
Page 232
...Count 3-17 Prt Mono Pg Count 3-17 Prt Quality Pgs configuration menu 3-24 diagnostic menu 3-11 Q quick test duplex 3-13 single-page 3-5 R removals autocompensator mechanism (ACM) 4-15 bin full sensor 4-18 bin full sensor flag 4-24 controller board 4-19 covers front cover assembly 4-2 left cover assembly ...fuser assembly 4-26 fuser drive motor assembly 4-29 fuser exit sensor 4-30 getting started 4-2 high-voltage power supply (HVPS) 4-31 image transfer unit (ITU) 4-33 imaging unit (IU) 4-35 left lower frame 4-39 low-voltage power supply (LVPS) 4-37 main drive gear assembly 4-45 photoconductor unit...
...Count 3-17 Prt Mono Pg Count 3-17 Prt Quality Pgs configuration menu 3-24 diagnostic menu 3-11 Q quick test duplex 3-13 single-page 3-5 R removals autocompensator mechanism (ACM) 4-15 bin full sensor 4-18 bin full sensor flag 4-24 controller board 4-19 covers front cover assembly 4-2 left cover assembly ...fuser assembly 4-26 fuser drive motor assembly 4-29 fuser exit sensor 4-30 getting started 4-2 high-voltage power supply (HVPS) 4-31 image transfer unit (ITU) 4-33 imaging unit (IU) 4-35 left lower frame 4-39 low-voltage power supply (LVPS) 4-37 main drive gear assembly 4-45 photoconductor unit...