23. IMAGE QUALITY PROBLEM
23.3.37
Printer 4-color: brush effect, blurred image
A. Typical faulty images
B. Troubleshooting procedure
Step
Section
1
Paper
2
3
Fusing unit
4
5
6
Machine
→ Fusing Trans-
port Speed
(Service Mode)
744
Brush effect
Check item
Paper is damp.
Paper type does not match.
Fusing unit is installed properly.
Fusing entrance guide plate is dirty. YES Clean.
Fusing belt is dirty or scratched.
Changing fusing speed eliminates
the problem of brush effect and
blurred image.
Field Service Ver. 2.1 Feb. 2012
Blurred image
Result
Action
YES Change paper to one just
unwrapped from its package.
YES Change the setting.
NO
Reinstall.
YES Change fusing unit.
YES Readjust fusing transport
speed.
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