Printer Section: Black Streaks Or Bands - Konica Minolta Bizhub 162 Service Manual

17. Image quality problem
17.2.16

Printer Section: Black streaks or bands

A. Typical Faulty Images
B. Troubleshooting Procedure
Step
1 PC Drum is dirty or scratchy.
Foreign matter (such as paper dust) sticks to the Cleaning
2
Blade of IU or the blade curves upward.
DB of IU is plugged with foreign matter (such as paper
3
dust).
PC Drum Charge Corona grid mesh and Comb Electrode
4
are dirty, scratchy, deformed, damaged, or out of position.
5 Fusing Roller is dirty or scratchy.
6 PH window of the PH Unit is dirty or scratchy.
170
4011T017AA
Check
Field Service Ver. 1.0 Apr. 2005
4011T023AA
Result Action
YES • Clean or change.
• Remove foreign matter,
YES
correct, or change.
YES • Remove foreign matter.
YES • Clean or change.
YES • Clean or change.
YES • Clean or change.
NO • Change IU.