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17 uneven pitch, 17 uneven pitch -49 – Konica Minolta Magicolor 5440 DL User Manual

Page 236

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Main Unit Field Service

Image Quality Problems

4-49

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5.1.17

Uneven Pitch

A. Typical Faulty Images

B. Troubleshooting Procedure

4138fs4507c0

Step

Section

Check Item

Result

Action

1

Toner Cartridge

Is the Toner Cartridge for each
color of toner installed in posi-
tion?

NO

Reinstall.

2

PH Unit

Is the PH Unit secured in position
with the fixing screw?

NO

Secure it in position.

3

Toner Cartridge

Is the drive mechanism of the
Toner Cartridge dirty or dam-
aged?

YES

Clean or change the Toner Car-
tridge.

4

Toner Cartridge

Is the photo conductor dirty,
scratched, or worn?

YES

Change the Toner Cartridge.

5

Transfer Roller

Are the Transfer Roller and drive
mechanism dirty, scratched,
deformed, or worn?

YES

Change the Transfer Roller.

6

Fusing Unit

Are the rollers and drive mecha-
nism of the Fusing Unit dirty,
scratched, deformed, or worn?

YES

Change the Fusing Unit.

7

Has the problem been eliminated
through the checks of steps up to
6?

NO

Change the Transfer Belt Unit.

5450_E.book_PDF.book 49 ページ 2005年4月12日 火曜日 午後12時54分