OKIDATA OF2600, Service Manual

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Page: 78
Service Guide OF2200/2400/2600
Chapter 2 Failure Analysis
RAP 21A Poor Print Quality (Images Light or Blurred as a Whole)
NOTE:
If the output is of poor print quality upon receiving a fax, make a local copy before assuming that the unit is
defective. It is possible that the transmitting facsimile is defective.
START
Is the TONER LOW message displayed?
YES Add toner.
NO Is the paper used designed for xerographic printing?
NO Use xerographic paper.
YES Is the LED head dirty?
YES Clean it.
NO Are the LED head and cable properly connected? Check the LED
head connector and connector CN3 of the printer control board for proper
connection.
YES End of procedure.
NO Properly connect the LED head and cable.
NO Are the contacts of the transfer roller clean and
properly touching the high-voltage contact assembly?
NO Clean / Replace the high-voltage 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?
YES End of procedure.