23. IMAGE QUALITY PROBLEM
23.3.24
Printer monocolor: blurred image
A. Typical faulty images
B. Troubleshooting procedure
Step
Section
1
PH unit
2
Drum unit
3
730
Check item
The surface of the PH window is
dirty.
Dirty on the outside.
The problem has been eliminated
through the checks of steps up to 2.
Field Service Ver. 2.1 Feb. 2012
Result
Action
YES Clean with cleaning jig.
YES Clean.
NO
Change imaging unit.
→ Change PH unit.
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