OKIDATA OL400e Series, Service Manual

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Service Manual for OL400e/OL410e/OL410e-PS
Chapter 4 Failure & Repair Analysis
RAP 15: Vertical White Streaks
START
Refer to Section 4.5 of this Service Handbook before proceeding.
Is the LED lens dirty?
YES Clean the LED lens.
NO Is the transfer roller plate properly touching the power supply board?
NO Adjust the transfer roller to properly touch the power supply board.
YES Replace the transfer roller.
Has the problem been resolved?
YES End of procedure.
NO Is the LED head properly installed? Check connector CN4 on the main
controller board.
NO Install the LED head properly.
YES Replace the LED head.
Has the problem been resolved?
YES End of procedure.
NO Replace the image drum cartridge.
Has the problem been resolved?
YES End of procedure.
NO Replace the main controller board.
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