Service Manual
Page 3
...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
Page 4
... 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
Page 28
... page 2-29. 2-2 Service Manual Go to the "Cold Fuser Service Check" on page 2-23. 923 Fuser Error Fuser is too hot during printing or when printer is below standby temperature when the printer is idle. Go to the "Cold Fuser Service Check" on page 2-25. 931-935 Printhead Error These errors represent a problem with the main drive motor. Mirror...
... page 2-29. 2-2 Service Manual Go to the "Cold Fuser Service Check" on page 2-23. 923 Fuser Error Fuser is too hot during printing or when printer is below standby temperature when the printer is idle. Go to the "Cold Fuser Service Check" on page 2-25. 931-935 Printhead Error These errors represent a problem with the main drive motor. Mirror...
Service Manual
Page 49
.... If incorrect, replace the engine board. Diagnostic Information 2-23 Perform the Cooling Fan Test in the Power Saver mode. Fuser Service Check Cold Fuser Service Check Error codes 920, 921, and 922 may display for correct installation. FRU 1 Fan 2 Engine Board Action Manually spin the fan... and check that it rotates freely. The main fan runs continuously when the printer is powered on unless the printer is in ...
.... If incorrect, replace the engine board. Diagnostic Information 2-23 Perform the Cooling Fan Test in the Power Saver mode. Fuser Service Check Cold Fuser Service Check Error codes 920, 921, and 922 may display for correct installation. FRU 1 Fan 2 Engine Board Action Manually spin the fan... and check that it rotates freely. The main fan runs continuously when the printer is powered on unless the printer is in ...
Service Manual
Page 51
...Run the Base Sensor Test. The voltage on J8-6 on the engine board measures approximately +5 V dc. CAUTION: The fuser may display for proper operation. Error code 924 indicates the engine board detects an open to 475K ohms With the cable connected, check the continuity from open ...J8-7 to the thermistor assembly. Diagnostic Information 2-25 If incorrect, replace the engine board. Examine the fuser assembly for signs of overheating or damage. 4045-XXX Hot Fuser Service Check Error codes 923 and 924 may be hot, use caution before removing or servicing. Check the input sensor ...
...Run the Base Sensor Test. The voltage on J8-6 on the engine board measures approximately +5 V dc. CAUTION: The fuser may display for proper operation. Error code 924 indicates the engine board detects an open to 475K ohms With the cable connected, check the continuity from open ...J8-7 to the thermistor assembly. Diagnostic Information 2-25 If incorrect, replace the engine board. Examine the fuser assembly for signs of overheating or damage. 4045-XXX Hot Fuser Service Check Error codes 923 and 924 may be hot, use caution before removing or servicing. Check the input sensor ...
Service Manual
Page 55
... is removed from the machine it must be handled very carefully. Do not allow any metal or other material come in the main drive assembly, fuser, developer drive assembly or alignment assembly. Determine if the noise is also very important not to "Print Quality - If incorrect, replace the engine board. Check..., go to 0 V dc when the motor is not running and go to let any loose, worn or binding parts in the gearbox assembly. If a service error code 936 Transport Motor message displays, check the voltage at J3-6 and J3-8 on page 2-41.
... is removed from the machine it must be handled very carefully. Do not allow any metal or other material come in the main drive assembly, fuser, developer drive assembly or alignment assembly. Determine if the noise is also very important not to "Print Quality - If incorrect, replace the engine board. Check..., go to 0 V dc when the motor is not running and go to let any loose, worn or binding parts in the gearbox assembly. If a service error code 936 Transport Motor message displays, check the voltage at J3-6 and J3-8 on page 2-41.
Service Manual
Page 99
... the higher the value, the higher the thermistor temperature. Note: The message "Error!! 00 10 24" displays if the thermistor is shorted. 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. The numbers... the fan off . Status displays the current status of the operator panel is a preset thermistor value corresponding to either standby or printing fuser temperatures, depending on whether the cooling fan is working properly. Press STOP to turn the fan on to slow or fast. "Heating Print...
... the higher the value, the higher the thermistor temperature. Note: The message "Error!! 00 10 24" displays if the thermistor is shorted. 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. The numbers... the fan off . Status displays the current status of the operator panel is a preset thermistor value corresponding to either standby or printing fuser temperatures, depending on whether the cooling fan is working properly. Press STOP to turn the fan on to slow or fast. "Heating Print...
Service Manual
Page 189
... 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
Page 190
... 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 ...