Field Service Ver. 1.0 Aug. 2005 21. Image quality problem
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bizhub 200/250/350
Troubleshooting
21.3.11 Printer System: Black streaks or bands
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4023c0 4036fs4024c0
Step Section Check Item Result Action
1 Paper Path Toner is on the paper path. YES Clean.
2 Imaging Unit Photo Conductor is dirty. YES Change Photo Conductor
Unit.
3 Fusing Unit Fusing Rollers are dirty or scratched. YES Change Photo Conductor
Unit.
4 - The problem has been eliminated after
performing step 3.
NO Change Photo Conductor
Unit.
Change Developing Unit.
Change Mechanical Con-
trol Board.