Brother MFC-L8650CDW - Page 133

2-103
Confidential
■ Dirt on back side of paper
■ Electrodes location of waste toner box
Fig. 2-12
< User Check >
- This symptom might stop occurring after making
several prints.
- Replace the toner cartridge with a new one.
- Replace the belt unit.
- Replace the waste toner box.
Step Cause Remedy
1
Dirt in the paper feed system
Wipe dirt off.
2
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 Fig. 2-7 (P2-55) , Fig. 2-11 (P2-99) .)
3
Dirt on the electrodes of the
main body and the waste
toner box
Clean the electrodes of the main body and
the waste toner box.
(Refer to Fig. 2-7 (P2-55), See the figure
below.)
4
Dirt on the cleaner pinch roller
of the fuser cover
Replace the cleaner pinch roller S ASSY.
5
Dirt on the fuser unit Replace the fuser unit.
6
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.