Konica Minolta Magicolor 8650 Service Manual page 411

16. Image quality problem
16.3.23 Printer 4-color: brush effect, blurred image
A. Typical faulty images
B. Troubleshooting procedure
Step Section
Paper
1
2
3 Fusing unit
4
5
Service Mode →
MachineAdjust-
6
met → Fusing
Speed
370
Confidential – for internal use only, do not distribute
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. 2.0 Nov. 2007
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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