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Confidential
4.7 Troubleshooting for Toner Cartridge and Drum Unit
Problems
4.7.1 New toner not detected
< User Check >
- Check if the supplied toner cartridge is installed.
- Be sure to set a new toner cartridge.
- Install a genuine toner cartridge.
4.7.2 Toner cartridge not detected
< User Check >
- Re-assemble the toner cartridge.
4.7.3 Toner replacement message displayed on LCD is not cleared
< User Check >
- Be sure to set a new toner cartridge.
- Install a genuine toner cartridge.
Step
Cause
Remedy
1
New toner actuator coming off
Re-assemble the new toner actuator.
2
Connection failure of the new
toner sensor PCB harness
Reconnect the toner/new sensor PCB
harness.
3
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
2
New toner sensor PCB failure
Replace the toner/new sensor PCB ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
New toner actuator coming off
Re-assemble the new toner actuator.
2
Connection failure of the new
toner sensor PCB harness
Reconnect the toner/new sensor PCB
harness.
3
Main PCB failure
Replace the main PCB ASSY.
Содержание DCP-L8400CDN
Страница 38: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 Right side Left side Face up Document scanning feed path ...
Страница 249: ...3 85 Confidential 3 Remove the ADF spring from the Upper ADF chute Fig 3 95 ADF spring Upper ADF chute ...
Страница 277: ...3 113 Confidential 9 35 LCD 1 Remove the LCD from the Control panel ASSY Fig 3 145 Control panel ASSY LCD ...
Страница 391: ...5 7 Confidential Common to first and second side Fig 5 1 ...