OKIDATA OL400e Series, Service Manual

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Page: 196
Service Manual for OL400e/OL410e/OL410e-PS
Chapter 4 Failure & Repair Analysis
RAP 08: Light or Blurred Output
START
Refer to Section 4.5 of this Service Handbook before proceeding .
Is the TONER LOW message displayed?
YES Add toner.
NO Is the paper used designed for use in laser printers?
NO Use paper designed for use in laser printers.
YES Is the lens surface of the LED head dirty?
YES Clean the lens.
NO Is the LED head installed properly?
Check connector CN4 of the main controller board proper connection.
NO Properly install the LED head.
YES Is the contact plate of the transfer roller properly
touching the power supply board?
NO Adjust the transfer roller contact plate to properly
touch the power supply board.
YES Are the contacts of the developing roller and the contact
of the transfer roller properly touching the contact assembly?
NO Adjust the contacts of the developing roller and transfer
roller to touch the contact assembly.
YES Replace the transfer roller.
Has the problem been resolved?
YES End of procedure.
NO Replace the image drum cartridge.
Has the problem been resolved?