Konica-minolta Magicolor 5440 DL Bedienungsanleitung Seite 229

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Image Quality Problems Main Unit Field Service
4-42
IV
Troublshooting
5.1.10 Colored spots
A. Typical Faulty Images
B. Troubleshooting Procedure
AA
4036fs4052c0
Colored spots
Step Section Check Item Result Action
1
Toner Cartridge
Are the spots in a single color? YES Change the Toner Cartridge.
2
Are there scratches or lines evi-
dent on photo conductor surface?
YES Change the Toner Cartridge.
3
Transfer Belt Unit
Is the Transfer Belt dirty with fin-
gerprints, oil, or other foreign mat-
ter?
YES Clean.
4
Is the Transfer Belt dirty or
scratched?
YES
Wipe the surface clean of dirt with
a soft cloth.
Change a scratched Transfer Belt
for a Transfer Belt Unit.
5
Is the Transfer Roller dirty or
scratched?
YES Change the Transfer Roller.
6 Media path
Is there a foreign matter on the
media path?
YES Remove foreign matter.
7 Fusing Unit
Is the Fusing Roller dirty or
scratched?
YES Change the Fusing Unit.
8
Has the problem been eliminated
through the checks of steps up to
7?
NO
Change the Toner Cartridge.
Change the Transfer Belt Unit.
Change the Fusing Unit.
5450_E.book_PDF.book 42 ページ 2005年4月12日 火曜日 午後12時54分
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