2-93
Confidential
■
Dirt on back side of paper
<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 in the fuser unit
Replace the fuser unit.
3
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
Summary of Contents for DCP-9020CDN
Page 47: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 ...
Page 89: ...2 50 Confidential Electrodes location of main body Fig 2 7 ...
Page 172: ...3 9 Confidential EM2 0 MOLYKOTE EM D110 2 0 mm dia ball EM2 0 Back cover ASSY Back cover ASSY ...
Page 345: ...5 7 Confidential Black and white scanning First side Front Fig 5 1 ...
Page 346: ...5 8 Confidential Black and white scanning Second side Back Fig 5 2 ...
Page 347: ...5 9 Confidential Color scanning First side Front Fig 5 3 ...
Page 348: ...5 10 Confidential Color scanning Second side Back Fig 5 4 ...
Page 384: ...5 46 Confidential LED test pattern M68_L Fig 5 17 ...
Page 429: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...