Printer 4-Color: Brush Effect, Blurred Image - Konica Minolta bizhub C450 Service Manual

18. Image quality problem
18.3.37

Printer 4-Color: brush effect, blurred image

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
Paper
1
2
Fusing Unit
3
4
Machine
→ Fusing Trans-
5
port Speed
(Service Mode)
6
418
Brush effect
4036fs4061c0
Check Item
Paper is damp.
Paper type does not match.
Fusing Entrance Guide Plate is
dirty.
Fusing Belt is dirty or scratched.
Changing fusing speed eliminates
the problem of brush effect and
blurred image.
The problem has been eliminated
through the checks of steps up to 5.
Field Service Ver. 1.0 Mar. 2005
Blurred image
4036fs4031c0
Result
YES Change paper to one just
unwrapped from its package.
Install Paper Dehumidifying
Heater.
YES Change the setting.
YES Clean.
YES Change Fusing Unit.
YES Readjust Fusing Transport
Speed.
NO Change Fusing Unit.
Action