Konica-minolta Magicolor 5440 DL Bedienungsanleitung Seite 224

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Seitenansicht 223
Main Unit Field Service Image Quality Problems
4-37
IV
Troublshooting
5.1.5 Low image density
A. Typical Faulty Images
B. Troubleshooting Procedure
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
4036fs4036c0
Step Section Check Item Result Action
1
Adjustment
/Setting
The Duplex Option is being used,
and also the Printer is being oper-
ated in the climate such as dry or
highly humid.
(magicolor 5430 DL/5440 DL)
YES
Adjust the image with “DUPLEX
DENSITY”
(magicolor 5430 DL/5440 DL)
ENGINE/ENGINE SERVICE/
RESTORE USER DEFAULT/
DUPLEX DENSITY
The Printer is being operated in
the climate such as dry or highly
humid (magicolor 5450.)
Adjust the image with “TRANS-
FER POWER” (magicolor 5450)
SERVICE MENU/ALIGNMENT
/TRANSFER POWER/
2 Toner Cartridge Is the outside dirty? YES Clean.
3 PH Unit Is the window surface dirty? YES Clean.
4
Transfer Belt Unit
Is the contact on the rail of the
Transfer Belt Unit in good contact
with the mating part?
NO Check or correct contact.
5 Is the terminal dirty? YES Clean.
6 Paper Is the paper damp? YES
Replace the paper with paper that
has just been unwrapped.
7
AIDC Sensor/Rt,
AIDC Sensor/Lt
Is the sensor dirty? YES Clean.
8
Has the problem been eliminated
through the checks of steps up to
6?
NO
Change the Toner Cartridge.
Change the Transfer Belt Unit.
Change the PH Unit.
Change the AIDC Sensor.
Change the Mechanical
Control Board.
Change High Voltage Unit/1.
Change High Voltage Unit/2.
5450_E.book_PDF.book 37 ページ 2005年4月12日 火曜日 午後12時54分
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