Oki MC160MFP, Руководство по обслуживанию

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44292401TH Rev.1
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Oki Data CONFIDENTIAL
TROUBLESHOOTING
19.1.5 Low image density
20.1.5 Low image density
A. Typical faulty images
B. Troubleshooting procedure
A0CRF4C507DA
Step Section Check item Result Action
1
Imaging
cartridge
Is the outside dirty? YES Clean.
2
Is the contact dirty? YES Clean.
3 PH unit Is the window surface dirty? YES Clean.
4
2nd transfer
roller
Is the contact dirty? YES Clean.
5 Media Is the media damp? YES
Replace the media with new
media that has just been
unwrapped.
6
IDC sensor
board
Is the sensor dirty? YES Clean.
7
Have steps 1 to 6 eliminated the
problem?
NO
Replace the toner cartridge.
o
Replace the Imaging car-
tridge.
o
Replace the 2nd transfer roller.
o
Replace the PH unit.
o
Replace the IDC sensor board.
o
Replace the printer control
board.
o
Replace the high voltage unit.
19.1.6 Gradation reproduction failure
20.1.6 Gradation reproduction failure
A. Typical faulty images
B. Troubleshooting procedure
A0CRF4C508DA
Step Section Check item Result Action
1
Imaging
cartridge
Is the outside dirty? YES Clean.
2 PH unit Is the window surface dirty? YES Clean.
3
IDC sensor
board
Is the sensor dirty? YES Clean.
4
Have steps 1 to 3 eliminated the
problem?
NO
Replace the toner cartridge.
o
Replace the PH unit.
o
Replace the IDC sensor board.
o
Replace the high voltage unit.