Konica Minolta Magicolor 5440 DL - Manual (Page 235)

Image Quality Problems Main Unit Field Service
4-48
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5.1.16 Back marking
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4062c0
AA AA
4036fs4063c0
Step Section Check Item Result Action
1 Media path
Is there a foreign matter on the
paper path?
YES Remove the foreign matter.
2
Fusing Unit
Is the Fusing Entrance Guide
Plate dirty or scratched?
YES Clean or change.
3
Is the Fusing Roller scratched or
dirty?
YES Change the Fusing Unit.
4
Transfer Belt Unit
Is the Transfer Belt dirty with fin-
gerprints, oil, or other foreign mat-
ter?
YES Clean.
5
Is the Transfer Roller dirty or
scratched?
YES Change the Transfer Roller.
6
Has the problem been eliminated
through the checks of steps up to
5?
NO
Change the Transfer Belt Unit.
→ Change the Fusing Unit.
→ Change High Voltage Unit/1.
→ Change High Voltage Unit/2.
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