Oki Data CONFIDENTIAL
43641601TH Rev.1
68 /
Light or entirely-faded image
• Is the printer low on toner
(is a toner-low message displayed on the printer)?
• Yes Fill the printer with toner.
• No Is print paper of a specified size used
in the printer?
• No Use print paper of a specified size
in the printer.
• Yes Is the surface of the lens of the LED head dirty?
• Yes Clean the lens.
• No Is the LED head installed properly
(check that the CN5 connector of the main board
and the PC connector of the LED head are connected
properly)?
• No Install the LED head properly.
• Yes Is the contact plate of the transfer roller in contact with the contact assembly of the high-voltage power
supply-1/sensor board properly (see figure 5-3)?
• No Adjust the plate so as to make it in good contact with the board and the transfer roller shaft.
• Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum
cartridge in contact with the assembly properly (see figure 5-3)?
• No Make adjustments so as to make the contacts in good contact with the assembly.
• Yes Replace the transfer roller.
• Did this step work?
• Yes End
• No Replace the cartridge.
• Did this step work?
• Yes End
Note: Reset the image drum counter after the cartridge is replaced (see the user
documentation).
• No Is the tension between the back-up roller (7.52 kg) and its surface proper?
• No Replace the roller and the bias spring.
• Yes Replace the main board or the high-voltage power supply-1/sensor board.
Front of printer
LED head
LED head cable
PC connector
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