Printer 4-Color: Uneven Density In Main Scan Direction - Olivetti PF-P09 Service Manual

Field Service Ver. 1.1 May 2011
22.2.27

Printer 4-color: uneven density in main scan direction

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Transfer belt unit Fingerprints, oil, or other foreign
2
3
4 Transfer roller
unit
5
6
Check item
matter is evident on the transfer
belt.
Transfer belt is dirty or scratched.
Terminal is dirty.
Transfer roller is installed properly.
Transfer roller is dirty or scratched.
The problem has been eliminated
through the checks of steps up to 5.
22. IMAGE QUALITY PROBLEM
Result Action
YES Clean it with the tender cloth or
paper which is dusted with the
toner.
YES Clean dirty belt with a soft cloth.
Change transfer belt unit if belt is
damaged.
YES Clean.
NO Reinstall.
YES Change transfer roller unit.
NO Change transfer belt unit.
Change high voltage unit.
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