Printer Section: Void Areas - Konica Minolta Bizhub 162 Service Manual

Field Service Ver. 1.0 Apr. 2005
17.2.19

Printer Section: Void areas

A. Typical Faulty Images
B. Troubleshooting Procedure
Step
1 Foreign matter is present along the paper path.
2 Paper dust plugs up the Paper Dust Remover.
PC Drum Charge Corona, grid mesh, and Comb Electrode
3
are loose.
PC Drum Charge Corona contact is dirty, scratchy,
4
deformed, worn, or damaged.
Developing Roller is dirty, scratchy, deformed, worn, or
5
damaged.
6 Toner is even on Sleeve/Magnet Roller.
Developer is not even in the Developer Mixing Chamber of
7
IU.
DB of IU is plugged with foreign matter (such as paper
8
dust).
Image Transfer Roller is dirty, scratchy, deformed, worn, or
9
damaged.
10 Image Transfer Roller Assy is installed correctly.
11 Charge Neutralizing Plate is dirty, scratchy, folded, or bent.
12 Fusing Roller is dirty, scratchy, deformed, or worn.
Check
17. Image quality problem
4011T008AA
Result Action
YES • Remove foreign matter.
YES • Clean or change.
YES • Reinstall.
• Clean, correct, or
YES
change.
YES • Clean or change.
• Adjust Db. For details,
NO see ADJUSTING/SET-
TING.
• Even out developer in
YES the Developer Mixing
Chamber.
YES • Remove foreign matter.
• Clean, correct, or
YES
change.
NO • Reinstall.
• Clean, correct, or
YES
change.
YES • Clean or change.
NO • Change IU.
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