Oki Data CONFIDENTIAL
42049001TH Rev.1
80 /
4
Image Drum Unit (ID) Up/Down Operation Error
•
Power the printer off and, after a few seconds, on again.
•
Are all the ID drums properly revolving during printing?
•
NO
Does the ID motor (C) have a rated resistance (approx. 3.5
Ω
)?
NO
Replace the ID motor(C).
▼
•
YES Is 24V being output to the F1 of the engine board?
NO
Replace the low voltage power unit.
▼
•
YES Replace the engine board after checking cable connection.
▼
•
YES
Is ID up-and-down operation being performed (is the operation performed by ID UP/DOWN
on motor and clutch testing)?
NO
Replace the gear assys - planet L and R.
▼
•
YES
Does the ID up/down sensor work properly? (Check the signals on the high voltage power
unit CN3, pin 2.)
Are: 5V with the sensor light unshielded; and
0V with sensor light shielded
being output?
NO
Replace the high voltage power unit.
▼
•
YES
Replace the engine board after checking the cable connection between the high voltage
power unit and the engine board (RSN PWB)
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