16. Image quality problem
Field Service Ver. 1.0 May 2006
238
magicolor 7450
T
roubleshooting
16.3.23
4-Color: brush effect, blurred image
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4061c0
Blurred image
Brush effect
4036fs4031c0
Step
Section
Check Item
Result
Action
1
Paper
Paper is damp.
YES
Change paper to one just
unwrapped from its package.
Install Paper Dehumidifying
Heater.
2
Paper type does not match.
YES
Change the setting.
3
Fusing Unit
Fusing Entrance Guide Plate is
dirty.
YES
Clean.
4
Fusing Belt is dirty or scratched.
YES
Change Fusing Unit.
5
[SERVICE
MENU]
→
[ALIGN-
MENT]
→
[FUSER
SPEED]
Changing fusing speed eliminates
the problem of brush effect and
blurred image.
YES
Readjust Fusing Transport
Speed.
Summary of Contents for magicolor 7450
Page 1: ...SERVICE MANUAL 2006 05 2006 05 Ver 1 0 Ver 1 0 FIELD SERVICE magicolor 7450 magicolor 7450 ...
Page 3: ...ii Blank Page ...
Page 26: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Main Unit magicolor 7450 magicolor 7450 ...
Page 43: ...2 Product specifications Field Service Ver 1 0 May 2006 6 magicolor 7450 General Blank Page ...
Page 288: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Lower Feeder Unit ...
Page 317: ...3 Other Field Service Ver 1 0 May 2006 26 Lower Feeder Unit Maintenance Blank Page ...
Page 328: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Duplex Option ...
Page 333: ...1 Product specifications Field Service Ver 1 0 May 2006 2 Duplex Option General Blank Page ...
Page 345: ...6 Jam Display Field Service Ver 1 0 May 2006 14 Duplex Option Troubleshooting Blank Page ...