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
... (Settings->General settings->Print Recovery->Jam Recovery.) Diagnostic information 2-3 To print a menu settings page: 1. Reload the paper, and try printing. • Remove the paper, turn it over and place it back in the tray. • Make sure the feeder is properly installed. • Make sure the ...all diamonds and does not complete POST. Go to "Dead printer service check" on the operator panel. 2. Therefore the toner goes into the ITU cleaner which cannot process massive amounts of paper are positioned correctly for each tray. • Check the location of the paper guides. •...
... (Settings->General settings->Print Recovery->Jam Recovery.) Diagnostic information 2-3 To print a menu settings page: 1. Reload the paper, and try printing. • Remove the paper, turn it over and place it back in the tray. • Make sure the feeder is properly installed. • Make sure the ...all diamonds and does not complete POST. Go to "Dead printer service check" on the operator panel. 2. Therefore the toner goes into the ITU cleaner which cannot process massive amounts of paper are positioned correctly for each tray. • Check the location of the paper guides. •...
Service Manual
Page 77
.../ actions Yes No 1 Read the current status of the imaging unit from the HVPS to step 2. Problem resolved. See "Image transfer unit (ITU) removal" on page 4-49. Go to step 3. Diagnostic information 2-43 Some slick or coated papers may also cause the problem. In Ready mode,...developer unit correct the problem? Does this fix the problem? 5 Check the high-voltage contact from the customer menus. Using non-Lexmark toner cartridges may also cause background problems. Some problems occur by using rough paper or incorrectly setting the operator panel settings to step...
.../ actions Yes No 1 Read the current status of the imaging unit from the HVPS to step 2. Problem resolved. See "Image transfer unit (ITU) removal" on page 4-49. Go to step 3. Diagnostic information 2-43 Some slick or coated papers may also cause the problem. In Ready mode,...developer unit correct the problem? Does this fix the problem? 5 Check the high-voltage contact from the customer menus. Using non-Lexmark toner cartridges may also cause background problems. Some problems occur by using rough paper or incorrectly setting the operator panel settings to step...
Service Manual
Page 79
See "Developer unit removal" on , and release the buttons when installed memory and processor speed displays. 2. Are all the spring-loaded pins in the HVPS free to move in the image transfer unit (ITU). Replace the HVPS. Replace the cable. Print quality-blurred or fuzzy print Run the automatic alignment. ... caused by incorrect feeding from one of the input paper sources, media trays, or duplex paper path. If that does not work, remove the imaging unit and reseat each of spring force? Did this fix the problem? Enter the Diagnostics Menu. (Turn the printer off , and...
See "Developer unit removal" on , and release the buttons when installed memory and processor speed displays. 2. Are all the spring-loaded pins in the HVPS free to move in the image transfer unit (ITU). Replace the HVPS. Replace the cable. Print quality-blurred or fuzzy print Run the automatic alignment. ... caused by incorrect feeding from one of the input paper sources, media trays, or duplex paper path. If that does not work, remove the imaging unit and reseat each of spring force? Did this fix the problem? Enter the Diagnostics Menu. (Turn the printer off , and...
Service Manual
Page 80
... Service Manual Step Questions / actions Yes No 1 Measure the distance between bands either 34.6 or 94.2 mm? See "Image transfer unit (ITU) removal" on page 4-26. Check the various rollers in the printer for debris. Replace the damaged part of the developer units that match the missing... measure 37.7, 55, or 78.5 mm? 4 Does the distance measure 43.9 mm or 45.5? Replace the photoconductor unit. See "Fuser assembly removal" on page 4-33. Replace the developers that make up the imaging unit is defective. Print quality-horizontal line Either the photoconductor unit or one...
... Service Manual Step Questions / actions Yes No 1 Measure the distance between bands either 34.6 or 94.2 mm? See "Image transfer unit (ITU) removal" on page 4-26. Check the various rollers in the printer for debris. Replace the damaged part of the developer units that match the missing... measure 37.7, 55, or 78.5 mm? 4 Does the distance measure 43.9 mm or 45.5? Replace the photoconductor unit. See "Fuser assembly removal" on page 4-33. Replace the developers that make up the imaging unit is defective. Print quality-horizontal line Either the photoconductor unit or one...
Service Manual
Page 82
...material on page 4-33. Go to step 2. Replace the image transfer unit. Clean or replace the faulty unit. See "Image transfer unit (ITU) removal" on the transfer belt? Yes Inspect the imaging unit by looking at the individual developers and photo conductors. Contact your next level of random...inside the printer and attaching to the photoconductor unit, developer roll, or transfer belt. No Go to step 3. See "Developer unit removal" on page 4-35. Yes Problem resolved. See "Imaging unit (IU) removal" on page 4-21. Replace the developer unit. See "Imaging unit (IU...
...material on page 4-33. Go to step 2. Replace the image transfer unit. Clean or replace the faulty unit. See "Image transfer unit (ITU) removal" on the transfer belt? Yes Inspect the imaging unit by looking at the individual developers and photo conductors. Contact your next level of random...inside the printer and attaching to the photoconductor unit, developer roll, or transfer belt. No Go to step 3. See "Developer unit removal" on page 4-35. Yes Problem resolved. See "Imaging unit (IU) removal" on page 4-21. Replace the developer unit. See "Imaging unit (IU...
Service Manual
Page 87
... information 2-53 Is the sensor dislodged? 4 Does the message Tray 1 Missing fail to step 2. Replace the tray 1 sensor. See "Image transfer unit (ITU) removal" on page 4-33. Are the contact dirty?. Yes Go to appear when the tray is in Ready state, pull the standard tray out. Replace the...remain on the display? 2 Check the vertical wall (or web) at the left rear of the tray for a dislodged sensor. See "Image transfer unit (ITU) removal" on page 4-33. Turn the printer on, and check the cable at JHVPS1 connector on page 4-31. Verify the following values: JHVPS1 Pin Value 7 ...
... information 2-53 Is the sensor dislodged? 4 Does the message Tray 1 Missing fail to step 2. Replace the tray 1 sensor. See "Image transfer unit (ITU) removal" on page 4-33. Are the contact dirty?. Yes Go to appear when the tray is in Ready state, pull the standard tray out. Replace the...remain on the display? 2 Check the vertical wall (or web) at the left rear of the tray for a dislodged sensor. See "Image transfer unit (ITU) removal" on page 4-33. Turn the printer on, and check the cable at JHVPS1 connector on page 4-31. Verify the following values: JHVPS1 Pin Value 7 ...
Service Manual
Page 171
...and pivot the cam away from the ITU so the spring and the cam are held out of the new ITU before installing it is easier to the ITU. 6. 5025-2xx, 4xx Image transfer unit (ITU) removal See "Image transfer unit (ITU) assembly" on page 4-60. 4. Remove the imaging unit (IU). See "...Waste toner bottle removal" on page 7-5 for the part number. 1. ...
...and pivot the cam away from the ITU so the spring and the cam are held out of the new ITU before installing it is easier to the ITU. 6. 5025-2xx, 4xx Image transfer unit (ITU) removal See "Image transfer unit (ITU) assembly" on page 4-60. 4. Remove the imaging unit (IU). See "...Waste toner bottle removal" on page 7-5 for the part number. 1. ...
Service Manual
Page 191
See "Image transfer unit (ITU) removal" on page 4-11. 3. See "Rear shield removal" on page 4-33. 2. Note: The toner density sensor is also called the toner patch sensor (TPS). The toner density sensors are removing the left toner density sensor, also disconnect the thermistor from JTDS1 connector ...Right) or JTDS2 connector (A Left) on the new TDS. 1. Remove the rear shield. Remove the two screws (C) securing each sensor. Note: Observe the routing of the cable(s) for the part number. Remove the ITU. Reinstall the thermistor on the controller board. If you are the ...
See "Image transfer unit (ITU) removal" on page 4-11. 3. See "Rear shield removal" on page 4-33. 2. Note: The toner density sensor is also called the toner patch sensor (TPS). The toner density sensors are removing the left toner density sensor, also disconnect the thermistor from JTDS1 connector ...Right) or JTDS2 connector (A Left) on the new TDS. 1. Remove the rear shield. Remove the two screws (C) securing each sensor. Note: Observe the routing of the cable(s) for the part number. Remove the ITU. Reinstall the thermistor on the controller board. If you are the ...
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...