4-Color: Brush Effect, Blurred Image - Konica Minolta magicolor 7450 Service Manual

16. Image quality problem
16.3.23

4-Color: brush effect, blurred image

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
Paper
1
2
Fusing Unit
3
4
[SERVICE
MENU]
→[ALIGN-
5
MENT]
→[FUSER
SPEED]
238
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.
Field Service Ver. 1.0 May 2006
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.
Action