2-102
Confidential
■
All one color
< User Check >
- Clean the corona wire of all four colors on the drum unit.
- Replace the drum unit with a new one.
Step
Cause
Remedy
1
Dirt on the electrodes of the
main body and the drum unit
Clean the electrodes of the main body and
the drum unit.
(Refer to
.)
2
Dirt on the electrodes of the
main body and the toner
cartridge
Clean the electrodes of the main body and
the toner cartridge.
(Refer to
3
Dirt on the electrodes of the
main body and the belt unit
Clean the electrodes of the main body and
the belt unit.
(Refer to
,
.)
4
Laser unit flat cable failure
Replace the laser unit flat cable.
5
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
6
Laser unit failure
Replace the laser unit.
7
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 ...