Service Manual
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...Information vii Laser Notices vii Safety Information xv General Information 1-1 Options 1-2 Printer Specifications 1-3 Diagnostic Information 2-1 Start 2-1 Service Error Codes 2-2 User Status Messages 2-5 User Error Messages ...2-9 Power-On Self Test (POST 2-14 Symptom Tables 2-15 Charge Roll Service Check 2-17 Cover Open Switch/Cable Service Check 2-19 Dead Machine Service Check 2-20 Erase Lamp Service Check 2-22 Fan Service Check 2-23 Fuser...
...Information vii Laser Notices vii Safety Information xv General Information 1-1 Options 1-2 Printer Specifications 1-3 Diagnostic Information 2-1 Start 2-1 Service Error Codes 2-2 User Status Messages 2-5 User Error Messages ...2-9 Power-On Self Test (POST 2-14 Symptom Tables 2-15 Charge Roll Service Check 2-17 Cover Open Switch/Cable Service Check 2-19 Dead Machine Service Check 2-20 Erase Lamp Service Check 2-22 Fan Service Check 2-23 Fuser...
Service Manual
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... the Diagnostic Mode 3-5 Print Registration 3-6 Print Tests 3-6 Hardware Tests 3-8 Input Tray Tests 3-13 Base Sensor Test 3-14 Printer Setup 3-14 Error Log 3-17 Device Tests 3-17 Hardware Test Mode 3-20 Operator Panel Test 3-21 Main Motor Test 3-22 Solenoid Test 3-22... Tray 2 Motor Test 3-23 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...
... the Diagnostic Mode 3-5 Print Registration 3-6 Print Tests 3-6 Hardware Tests 3-8 Input Tray Tests 3-13 Base Sensor Test 3-14 Printer Setup 3-14 Error Log 3-17 Device Tests 3-17 Hardware Test Mode 3-20 Operator Panel Test 3-21 Main Motor Test 3-22 Solenoid Test 3-22... Tray 2 Motor Test 3-23 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...
Service Manual
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... non-recoverable except in the Fuser Thermistor Circuit. Go to the "Cold Fuser Service Check" on page 2-23. 922 Fuser Error Fuser failed to the "Cold Fuser Service Check" on page 2-23. 923 Fuser Error Fuser is too hot during printing or when printer is idle. Go to the "Hot Fuser Service Check" on page 2-25. 924 Fuser Error An open circuit has...
... non-recoverable except in the Fuser Thermistor Circuit. Go to the "Cold Fuser Service Check" on page 2-23. 922 Fuser Error Fuser failed to the "Cold Fuser Service Check" on page 2-23. 923 Fuser Error Fuser is too hot during printing or when printer is idle. Go to the "Hot Fuser Service Check" on page 2-25. 924 Fuser Error An open circuit has...
Service Manual
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...rotates freely. Disconnect the fan connector at the main fan assembly. A 920 error caused by low line voltage can sometimes be cleared by turning the machine off and then on unless the printer is in the Hardware Test Mode. Perform the Cooling Fan Test in the Power... the fan. If incorrect, replace the cable. Diagnostic Information 2-23 Check the cable connection to the engine board, J13 for a cold fuser failure. Fuser Service Check Cold Fuser Service Check Error codes 920, 921, and 922 may display for correct installation. The main fan runs continuously when the...
...rotates freely. Disconnect the fan connector at the main fan assembly. A 920 error caused by low line voltage can sometimes be cleared by turning the machine off and then on unless the printer is in the Hardware Test Mode. Perform the Cooling Fan Test in the Power... the fan. If incorrect, replace the cable. Diagnostic Information 2-23 Check the cable connection to the engine board, J13 for a cold fuser failure. Fuser Service Check Cold Fuser Service Check Error codes 920, 921, and 922 may display for correct installation. The main fan runs continuously when the...
Service Manual
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... the sensor. Error code 924 indicates the engine board detects an open circuit in and out of the themistor: HOT - 1K ohms COLD =150K ohms to 475K ohms With the cable connected, check the continuity from open to closed as necessary or replace the fuser assembly. The ...Sensor Service Check Service Tip: Run the Base Sensor Test. Diagnostic Information 2-25 If incorrect, replace the engine board. CAUTION: The fuser may display for the fuser assembly. Check the hot roll and backup roll for proper operation. The display changes from J8-6 and J8-7 to the thermistor assembly...
... the sensor. Error code 924 indicates the engine board detects an open circuit in and out of the themistor: HOT - 1K ohms COLD =150K ohms to 475K ohms With the cable connected, check the continuity from open to closed as necessary or replace the fuser assembly. The ...Sensor Service Check Service Tip: Run the Base Sensor Test. Diagnostic Information 2-25 If incorrect, replace the engine board. CAUTION: The fuser may display for the fuser assembly. Check the hot roll and backup roll for proper operation. The display changes from J8-6 and J8-7 to the thermistor assembly...
Service Manual
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...to come intact with the grease in all assemblies. If the noise goes away with any of the main drive motor cable. If a service error code 936 Transport Motor message displays, check the voltage at J3-6 and J3-8 on page 2-41. WARNING: Whenever the gearbox assembly is ...Excessive noise or vibration) 2 Main Drive Motor Cable Action Remove the controller board and run the Main Motor Test in the main drive assembly, fuser, developer drive assembly or alignment assembly. Repair as necessary. If incorrect, replace the cable. Service Tip: If there are equally spaced horizontal lines ...
...to come intact with the grease in all assemblies. If the noise goes away with any of the main drive motor cable. If a service error code 936 Transport Motor message displays, check the voltage at J3-6 and J3-8 on page 2-41. WARNING: Whenever the gearbox assembly is ...Excessive noise or vibration) 2 Main Drive Motor Cable Action Remove the controller board and run the Main Motor Test in the main drive assembly, fuser, developer drive assembly or alignment assembly. Repair as necessary. If incorrect, replace the cable. Service Tip: If there are equally spaced horizontal lines ...
Service Manual
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...fan is the current thermistor value. However, the higher the value, the higher the thermistor temperature. The message "Error!! 00 20 23" displays if the thermistor detects the fuser is too hot or if the thermistor circuit is disconnected or defective. Select Cooling Fan (status) from Fast to...menu > button to turn the fan off . This value increases from 0 and stabilizes somewhat near the preset thermistor value. Note: The message "Error!! 00 10 24" displays if the thermistor is shorted. Diagnostic Aids 3-25 The number displayed on the bottom left of the operator panel is...
...fan is the current thermistor value. However, the higher the value, the higher the thermistor temperature. The message "Error!! 00 20 23" displays if the thermistor detects the fuser is too hot or if the thermistor circuit is disconnected or defective. Select Cooling Fan (status) from Fast to...menu > button to turn the fan off . This value increases from 0 and stabilizes somewhat near the preset thermistor value. Note: The message "Error!! 00 10 24" displays if the thermistor is shorted. Diagnostic Aids 3-25 The number displayed on the bottom left of the operator panel is...
Service Manual
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... 3-17 Clearing the Error Log 3-17 Viewing the Error Log 3-17 Exiting the Configuration Mode 3-5 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...Tests 3-13 Panel Menus 3-2 Paper 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 Configuration ID 3-15 Setting the Page Count...
... 3-17 Clearing the Error Log 3-17 Viewing the Error Log 3-17 Exiting the Configuration Mode 3-5 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...Tests 3-13 Panel Menus 3-2 Paper 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 Configuration ID 3-15 Setting the Page Count...
Service Manual
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... 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 ...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 - 4045-XXX Erase Lamp Test 3-26 Error Codes Service Error Codes 2-2 User Error Messages 2-9 Error Log 3-17 ESD-sensitive Parts 4-1 Exiting the Configuration Mode 3-5 ...
... 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 ...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 - 4045-XXX Erase Lamp Test 3-26 Error Codes Service Error Codes 2-2 User Error Messages 2-9 Error Log 3-17 ESD-sensitive Parts 4-1 Exiting the Configuration Mode 3-5 ...