Rap 11: Blank Paper Is Output - OKIDATA DOC-IT3000 Service Manual

RAP#11 - Blank Paper is Output

RAP 11: Blank Paper is Output

START.
Images that are prepared on the PC output as blank paper.
Inspect the transfer wire.
Is the transfer wire broken?
YES Replace the transfer wire.
NO Replace the high voltage power supply.
Is the problem resolved?
YES End of procedure.
NO Clean the ground contact of the image drum cartridge.
Perform the printer unit test. Refer to Section 4.8 of this Service Handbook.
Are the horizontal ruled lines printed?
YES Replace the main control board.
NO Insure that the LED head is connected properly.
Has the problem been resolved?
YES End of procedure.
NO Perform the following in the order listed:
1. Make sure the image drum cartridge is connected properly)
2. Replace the engine control board.
3. Replace the LED head
After replacing the LED head, set the head drive time.
Has the problem been resolved?
YES End of procedure.
NO Verify that the engine control board is connected properly.
Has the problem been resolved?
YES End of procedure.
NO Replace the Doc-It control.
Has the problem been resolved? YES End of procedure.
NO Contact Technical Support.
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Service Guide DOC-IT3000/4000
Chapter 4 Failure & Repair Analysis
Page: 209