Field Service Ver. 1.0 Aug. 2005 21. Image quality problem
261
bizhub 200/250/350
Troubleshooting
21.3.9 Printer System: Low image density or rough image
A. Typical Faulty Images
B. Troubleshooting Procedure
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
4036fs4036c0
Step Section Check Item Result Action
1 Imaging Unit Image transfer current contact terminal
is dirty or deformed.
YES Clean.
Change Photo Conductor
Unit.
2 Developing bias contact terminal is dirty
or deformed.
YES Clean.
Change Photo Conductor
Unit.
3 Tech. Rep. Mode
→ Image Den-
sity
Select Tech. Rep. Mode → [Tech. Rep.
Choice] → [Printer] → [Image Density].
The image problem can be corrected by
selecting an Image Density setting
toward the + end.
YES Make setting again.
4 Tech. Rep. Mode
→ Grid Voltage
Adjustment
Select Tech. Rep. Mode → [Tech. Rep.
Choice] → [Printer] → [Grid Voltage
Adjustment].
The image problem can be corrected by
selecting an VG Adjust setting toward
the + end.
YES Make setting again.
5 - The problem has been eliminated after
performing step 4.
NO Change Photo Conductor
Unit.
Change PH Unit.
Change High Voltage
Unit.
Change Mechanical Con-
trol Board.
To Next Page
Loading...
