Oki OKIPAGE 14ex Maintenance Manual page 109

8
White vertical belts or streaks
• Are the LED lens dirty?
• Yes
• No Is the contact plate of the transfer roller in proper contact with the power supply/sensor board
(see Figure 6-5)?
• No
• Yes Replace the transfer roller.
• Has the problem been solved?
• Yes
• No Is the tension between the back-up roller (7.52kg) and the surface of back-up roller normal?
•No
• Yes Is the LED head being installed properly (check HEAD1 and HEAD2 connectors on the main
control board and PC connector on the LED head)?
• No
• Yes Replace the LED head.
• Has the problem been solved?
• Yes
• Yes Replace the image drum cartridge.
• Has the problem been solved?
• Yes
• No Replace the main control board or power supply/sensor board.
41356901TH Rev.2
Clean the LED lens.
Adjust the contact plate to make a proper contact with the power supply/sensor board.
End
Replace the back-up roller or bias spring.
Install the LED head properly.
End
End
Note: After replacing the image drum cartridge, set the printer to the user mainte-
nance mode by turning the power on while pressing the MENU key. Reset the
drum counter (see Printer Handobook).
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