Field Service Ver. 2.0 Mar. 2006
25. Image quality problem
363
bizhub C250P
T
roubleshooting
25.3.16
Printer 4-Color: uneven density in main scan direction
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4046c0
4036fs4047c0
Step
Section
Check Item
Result
Action
1
Image Transfer Belt
Unit
Fingerprints, oil, or other foreign
matter is evident on the Image
Transfer Belt.
YES
Clean with specified sol-
vent.
(See Maintenance.)
2
Image Transfer Belt is dirty or
scratched.
YES
Clean dirty belt with a soft
cloth.
Change Image Transfer
Belt Unit if belt is dam-
aged.
3
Terminal is dirty.
YES
Clean.
4
2nd Image Transfer
Roller Unit
Image Transfer Roller is installed
properly.
NO
Reinstall.
5
Image Transfer Roller is dirty or
scratched.
YES
Change 2nd Image Trans-
fer Roller Unit.
6
The problem has been eliminated
through the checks of steps up to 5.
NO
Change Image Transfer
Belt Unit.
→
Change High Voltage
Unit (Image Transfer,
Neutralizing).
bizhub_C250P_Total.book 363 ページ 2006年3月27日 月曜日 午前8時28分