OKIDATA OL400e Series, Service Manual

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Service Manual for OL400e/OL410e/OL410e-PS
Chapter 4 Failure & Repair Analysis
RAP 13: Missing Print
START
Refer to Section 4.5 of this Service Handbook before proceeding.
Is the contact plate of the transfer roller touching the power supply board?
NO Adjust the transfer roller contact plate to properly touch the power supply board.
YES Replace the transfer roller.
Has the problem been resolved?
YES End of procedure.
NO Are the contacts of the transfer roller, developing roller, image drum,
and charging roller properly touching the contact assembly?
NO Adjust the contacts to touch the contact assembly.
YES Replace the image drum cartridge.
Has the problem been resolved?
YES End of procedure.
NO Is the LED head installed properly?Check connector CN4 on the main controller
board board.
NO Properly install the LED head.
YES Replace the LED head.
Has the problem been resolved?
YES End of procedure.
NO Replace the main controller board.
If the problem is not resolved, replace the power supply board.
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