Service Manual
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...23 Mirror Motor Test 3-23 Sensor Monitor Test 3-24 Cooling Fan / Fuser Control Test 3-25 Erase Lamp Test 3-26 Reset Test Mode 3-26 Engine Firmware 3-26 Printer Operation 3-27 Electrophotographic Process 3-27 Paper Feeding, Transferring and Fusing 3-27... Paper Path/Sensor Locations 3-28 Cable Locations 3-29 Repair Information 4-1 Handling ESD-Sensitive Parts 4-1 Adjustment Procedures 4-2 Printhead Assembly 4-2 Paper Alignment 4-3 Removal Procedures...
...23 Mirror Motor Test 3-23 Sensor Monitor Test 3-24 Cooling Fan / Fuser Control Test 3-25 Erase Lamp Test 3-26 Reset Test Mode 3-26 Engine Firmware 3-26 Printer Operation 3-27 Electrophotographic Process 3-27 Paper Feeding, Transferring and Fusing 3-27... Paper Path/Sensor Locations 3-28 Cable Locations 3-29 Repair Information 4-1 Handling ESD-Sensitive Parts 4-1 Adjustment Procedures 4-2 Printhead Assembly 4-2 Paper Alignment 4-3 Removal Procedures...
Service Manual
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Output 6-14 Assembly 7: Main Drive 6-16 Assembly 8: Developer Drive 6-18 Assembly 9: Fuser 6-20 Assembly 10: Transfer 6-24 Assembly 11: Charging 6-26 Assembly 12: Electronics 6-28 Assembly 13: 250-Sheet Tray 6-34 Assembly 14: 500-Sheet Tray 6-36 Assembly 15: Options 6-40 Index I-1 v 4045-XXX Fuser 4-15 HVPS 4-17 Inner Deflector 4-18 Left Side Frame 4-20 LVPS 4-21 Main Drive Assembly 4-23 Multipurpose Tray...
Output 6-14 Assembly 7: Main Drive 6-16 Assembly 8: Developer Drive 6-18 Assembly 9: Fuser 6-20 Assembly 10: Transfer 6-24 Assembly 11: Charging 6-26 Assembly 12: Electronics 6-28 Assembly 13: 250-Sheet Tray 6-34 Assembly 14: 500-Sheet Tray 6-36 Assembly 15: Options 6-40 Index I-1 v 4045-XXX Fuser 4-15 HVPS 4-17 Inner Deflector 4-18 Left Side Frame 4-20 LVPS 4-21 Main Drive Assembly 4-23 Multipurpose Tray...
Service Manual
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... turns on and runs slowly. 13. The exit rollers turn the printer On, it performs a Power-On Self Test. The cooling fan turns on . The fuser takes longer to warm up from a cold start than a warm start. 7. The developer drive assembly drives the developer shaft in the toner cartridge. 10. The exit rollers...
... turns on and runs slowly. 13. The exit rollers turn the printer On, it performs a Power-On Self Test. The cooling fan turns on . The fuser takes longer to warm up from a cold start than a warm start. 7. The developer drive assembly drives the developer shaft in the toner cartridge. 10. The exit rollers...
Service Manual
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...and check that it rotates freely. If incorrect, replace the cable. Turn the cooling fan on again. Disconnect the fan connector at the main fan assembly. The voltage measures +24 V dc. If correct, replace the fan. A 920 error caused by low line voltage can sometimes be cleared by ... connection to NORMAL before starting this service check. Service Tip: Set the Fuser Temperature to the engine board, J13 for a cold fuser failure. 4045-XXX Fan Service Check Check the cable connections at J13 on unless the printer is powered on the engine board and at J13 and measure the voltage...
...and check that it rotates freely. If incorrect, replace the cable. Turn the cooling fan on again. Disconnect the fan connector at the main fan assembly. The voltage measures +24 V dc. If correct, replace the fan. A 920 error caused by low line voltage can sometimes be cleared by ... connection to NORMAL before starting this service check. Service Tip: Set the Fuser Temperature to the engine board, J13 for a cold fuser failure. 4045-XXX Fan Service Check Check the cable connections at J13 on unless the printer is powered on the engine board and at J13 and measure the voltage...
Service Manual
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... the lamp cables are connected to 475K ohms 2-24 Service Manual Disconnect the fuser lamp connectors at the fuser assembly. Disconnect the thermistor cable from the printer. Turn the printer off. Turn the printer on the fuser lamp cable going to the fuser assembly. Inspect the fuser lamp contacts in the fuser cover. If the lamp doesn't come on, unplug the...
... the lamp cables are connected to 475K ohms 2-24 Service Manual Disconnect the fuser lamp connectors at the fuser assembly. Disconnect the thermistor cable from the printer. Turn the printer off. Turn the printer on the fuser lamp cable going to the fuser assembly. Inspect the fuser lamp contacts in the fuser cover. If the lamp doesn't come on, unplug the...
Service Manual
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... Check Error codes 923 and 924 may be hot, use caution before removing or servicing. Examine the fuser assembly for damage to the thermistor assembly. FRU 1 Fuser Thermistor 2 Engine Board 3 Fuser Hot Roll Backup Roll Bearings Action Check for signs of excessive toner, label glue, labels or other contaminants. If ...of the sensor. The voltage on J8-6 on the engine board measures approximately +5 V dc. Check the hot roll and backup roll for the fuser assembly. The display changes from open circuit in and out of the themistor: HOT - 1K ohms COLD =150K ohms to 475K ohms With the ...
... Check Error codes 923 and 924 may be hot, use caution before removing or servicing. Examine the fuser assembly for damage to the thermistor assembly. FRU 1 Fuser Thermistor 2 Engine Board 3 Fuser Hot Roll Backup Roll Bearings Action Check for signs of excessive toner, label glue, labels or other contaminants. If ...of the sensor. The voltage on J8-6 on the engine board measures approximately +5 V dc. Check the hot roll and backup roll for the fuser assembly. The display changes from open circuit in and out of the themistor: HOT - 1K ohms COLD =150K ohms to 475K ohms With the ...
Service Manual
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... replace the engine board. Check the continuity of the gears to come in the main drive assembly, fuser, developer drive assembly or alignment assembly. It is usually caused by a defective motor assembly or engine board. Evenly spaced horizontal lines or marks" on the engine board. Diagnostic Information ...2-29 4045-XXX Main Drive Service Check Service Tip: Excessive gear or main drive assembly noise is also very important not to let any dirt, paper, staples or other hard surface to avoid gear damage. The voltages...
... replace the engine board. Check the continuity of the gears to come in the main drive assembly, fuser, developer drive assembly or alignment assembly. It is usually caused by a defective motor assembly or engine board. Evenly spaced horizontal lines or marks" on the engine board. Diagnostic Information ...2-29 4045-XXX Main Drive Service Check Service Tip: Excessive gear or main drive assembly noise is also very important not to let any dirt, paper, staples or other hard surface to avoid gear damage. The voltages...
Service Manual
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... transformer on the page. Light Print Action Check the erase lamp lens assembly for failed erase lamps. 4045-XXX FRU 1 Erase Lamp Assembly 2 Fuser Assembly Print Quality - Check the continuity of the transfer roll assembly cable to the bearing. The hot roll especially might cause toner to ...ensure the transfer cable is clean then check the erase lamp assembly for any signs of paper dust,...
... transformer on the page. Light Print Action Check the erase lamp lens assembly for failed erase lamps. 4045-XXX FRU 1 Erase Lamp Assembly 2 Fuser Assembly Print Quality - Check the continuity of the transfer roll assembly cable to the bearing. The hot roll especially might cause toner to ...ensure the transfer cable is clean then check the erase lamp assembly for any signs of paper dust,...
Service Manual
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... the display for any signs of the paper. The test helps isolate the printer from the serial cable and host. If the test indicates a problem, replace the controller board. FRU 1 Fuser Assembly 2 Transfer Roll Action Toner is generally caused by a toner buildup on the backside... of toner. Repair as necessary. Diagnostic Information 2-47 Check the fuser hotroll and backup roll for approximately three seconds. If the ...
... the display for any signs of the paper. The test helps isolate the printer from the serial cable and host. If the test indicates a problem, replace the controller board. FRU 1 Fuser Assembly 2 Transfer Roll Action Toner is generally caused by a toner buildup on the backside... of toner. Repair as necessary. Diagnostic Information 2-47 Check the fuser hotroll and backup roll for approximately three seconds. If the ...
Service Manual
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...all cables connected to the controller board. 3. Turn the printer off and on to display the Operator Panel Test again once... If "Engine Service" appears on the operator panel once the printer is turned on . You can scroll forward and backward through... test. To enter the Hardware Test Mode: 1. Turn the printer on , one of the operator panel buttons is stuck. ...2 Motor Mirror Motor Sensor Monitor Cooling Fan (status) Fuser Ctrl Erase Lamp Reset Test Mode Engine Firmware Note: The...menu item to appear on the operator panel when the printer is powered on . 4045-XXX Hardware Test Mode ...
...all cables connected to the controller board. 3. Turn the printer off and on to display the Operator Panel Test again once... If "Engine Service" appears on the operator panel once the printer is turned on . You can scroll forward and backward through... test. To enter the Hardware Test Mode: 1. Turn the printer on , one of the operator panel buttons is stuck. ...2 Motor Mirror Motor Sensor Monitor Cooling Fan (status) Fuser Ctrl Erase Lamp Reset Test Mode Engine Firmware Note: The...menu item to appear on the operator panel when the printer is powered on . 4045-XXX Hardware Test Mode ...
Service Manual
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...Electrophotographic Process which apply heat and pressure to the toner on the PC drum. Electrophotographic Process The photoconductive drum, located within the toner cartridge assembly, creates the image to the paper, and the PC drum is drawn from the PC drum onto the paper via a D-roll type ...After the paper passes through the sensor, the paper travels between the PC drum and transfer roller. Diagnostic Aids 3-27 4045-XXX Printer Operation The printer makes an image by applying toner dots to the paper. As the paper exists the fuser, a paper exit sensor detects the paper.
...Electrophotographic Process which apply heat and pressure to the toner on the PC drum. Electrophotographic Process The photoconductive drum, located within the toner cartridge assembly, creates the image to the paper, and the PC drum is drawn from the PC drum onto the paper via a D-roll type ...After the paper passes through the sensor, the paper travels between the PC drum and transfer roller. Diagnostic Aids 3-27 4045-XXX Printer Operation The printer makes an image by applying toner dots to the paper. As the paper exists the fuser, a paper exit sensor detects the paper.
Service Manual
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Remove the redrive assembly. 4. Repair Information 4-15 Remove the right side cover. 2. Remove the screw from the fuser. 3. Disconnect the two LVPS wires (A) from the inner air duct cover and remove the cover. 4045-XXX Fuser 1.
Remove the redrive assembly. 4. Repair Information 4-15 Remove the right side cover. 2. Remove the screw from the fuser. 3. Disconnect the two LVPS wires (A) from the inner air duct cover and remove the cover. 4045-XXX Fuser 1.
Service Manual
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... 12G0441 12G0424 12G1860 12G0262 12G0255 12G0269 Units 1 1 1 1 1 1 1 2 6 1 2 10 2 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 Description Cover, Exit Duct, Fuser Cooling Air Support, Paper Bail Assembly, Optional Cover, Top Cover, Rear Link, Right Hinge Link, Spring Screw, M4x8 PP 12G0445 Cover, Right Side Pin, Hinge Screw, M3x8 PP 12G0445... Clip, PP 12G0445 Hinge, Right Cover, Upper Front M410 Cover, Upper Front M412 Screw w/washer, ...
... 12G0441 12G0424 12G1860 12G0262 12G0255 12G0269 Units 1 1 1 1 1 1 1 2 6 1 2 10 2 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 Description Cover, Exit Duct, Fuser Cooling Air Support, Paper Bail Assembly, Optional Cover, Top Cover, Rear Link, Right Hinge Link, Spring Screw, M4x8 PP 12G0445 Cover, Right Side Pin, Hinge Screw, M3x8 PP 12G0445... Clip, PP 12G0445 Hinge, Right Cover, Upper Front M410 Cover, Upper Front M412 Screw w/washer, ...
Service Manual
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4045-XXX Index A Acronyms 1-5 Adjustment Procedures 4-2 Paper Alignment 4-3 Printhead Assembly 4-2 B Base Sensor Test 3-14 Button Test 3-9 C Cable Locations 3-29... Exiting the Diagnostic Mode 3-5 Hardware Test Mode 3-20 Engine Firmware 3-26 Erase Lamp Test 3-26 Fan/Fuser Test 3-25 Main Motor Test 3-22 Mirror Motor Test 3-23 Operator Panel Test 3-21 Reset Test Mode...Feed Tests Base Sensor Test 3-14 PPDS Emulation 3-3 Print Quality Test Pages 3-2 Print Registration 3-6 Print Tests 3-6 Printer Setup 3-14 Edge to Edge 3-16 Factory Defaults 3-16 Parallel Strobe Adjust 3-16 Serial Number 3-16 Setting ...
4045-XXX Index A Acronyms 1-5 Adjustment Procedures 4-2 Paper Alignment 4-3 Printhead Assembly 4-2 B Base Sensor Test 3-14 Button Test 3-9 C Cable Locations 3-29... Exiting the Diagnostic Mode 3-5 Hardware Test Mode 3-20 Engine Firmware 3-26 Erase Lamp Test 3-26 Fan/Fuser Test 3-25 Main Motor Test 3-22 Mirror Motor Test 3-23 Operator Panel Test 3-21 Reset Test Mode...Feed Tests Base Sensor Test 3-14 PPDS Emulation 3-3 Print Quality Test Pages 3-2 Print Registration 3-6 Print Tests 3-6 Printer Setup 3-14 Edge to Edge 3-16 Factory Defaults 3-16 Parallel Strobe Adjust 3-16 Serial Number 3-16 Setting ...
Service Manual
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...Registration 3-6 Print Tests 3-6 Printer Operation 3-27 Printer Setup 3-14 Q Quick Disk Test 3-17 R Removals Charge Roller 4-8 Controller Board 4-9 Cooling Fan 4-11 Covers 4-4 Developer Drive Assembly Engine Board 4-14 Fuser 4-15 HVPS 4-17 4-13 I Input Tray Tests 3-13 Interconnect Board Connectors 5-10 L Laser Notice vii LCD Test ... Strobe Adjust 3-16 Parallel Wrap Test 3-10 Parts Catalog 6-1 Charging 6-26 Covers 6-2 Developer Drive 6-18 Electronics 6-28 Frame 6-6 Fuser 6-20 Main Drive 6-16 Options 6-40 Paper Feed - Alignment 6-12 Paper Feed - 4045-XXX Erase Lamp Test 3-26 Error ...
...Registration 3-6 Print Tests 3-6 Printer Operation 3-27 Printer Setup 3-14 Q Quick Disk Test 3-17 R Removals Charge Roller 4-8 Controller Board 4-9 Cooling Fan 4-11 Covers 4-4 Developer Drive Assembly Engine Board 4-14 Fuser 4-15 HVPS 4-17 4-13 I Input Tray Tests 3-13 Interconnect Board Connectors 5-10 L Laser Notice vii LCD Test ... Strobe Adjust 3-16 Parallel Wrap Test 3-10 Parts Catalog 6-1 Charging 6-26 Covers 6-2 Developer Drive 6-18 Electronics 6-28 Frame 6-6 Fuser 6-20 Main Drive 6-16 Options 6-40 Paper Feed - Alignment 6-12 Paper Feed - 4045-XXX Erase Lamp Test 3-26 Error ...
Service Manual
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4045-XXX Inner Deflector 4-18 Left Side Frame 4-20 LVPS 4-21 Main Drive Assembly 4-23 Multipurpose Tray 4-24 Paper Alignment Assembly 4-25 Pick Roll 4-27 Printhead 4-28 Redrive Assembly 4-29 Right Side Frame 4-30 Transfer Roller 4-30 Reset Test Mode 3-26 Restore Factory Defaults 3-4 ROM Memory Test 3-10 S Safety ...Number 3-16 Serial Wrap Test 3-11 Service Checks Charge Roll 2-17 Cover Open Switch/Cable 2-19 Dead Machine 2-20 Erase Lamp 2-22 Fan 2-23 Fuser 2-23 Input Sensor 2-25 Input Tray(s) Option 2-26 Main Drive 2-29 Operator Panel 2-30 Options 2-32 Paper Feed 2-33 Parallel Port 2-35 Print...
4045-XXX Inner Deflector 4-18 Left Side Frame 4-20 LVPS 4-21 Main Drive Assembly 4-23 Multipurpose Tray 4-24 Paper Alignment Assembly 4-25 Pick Roll 4-27 Printhead 4-28 Redrive Assembly 4-29 Right Side Frame 4-30 Transfer Roller 4-30 Reset Test Mode 3-26 Restore Factory Defaults 3-4 ROM Memory Test 3-10 S Safety ...Number 3-16 Serial Wrap Test 3-11 Service Checks Charge Roll 2-17 Cover Open Switch/Cable 2-19 Dead Machine 2-20 Erase Lamp 2-22 Fan 2-23 Fuser 2-23 Input Sensor 2-25 Input Tray(s) Option 2-26 Main Drive 2-29 Operator Panel 2-30 Options 2-32 Paper Feed 2-33 Parallel Port 2-35 Print...