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40930701TH DRAFT Vesion 155 /
1 Image are light or blurred a whole.
• Is toner low? (Is the TONER LOW message displayed?)
• Yes Supply toner.
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• No Is paper of the specified grade used?
• No Use paper of the specified grade.
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• Yes Is the lens surface of the LED head dirty?
• Yes Clean the lens.
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• No Is the LED head installed properly? (Check connector HEAD1 (14P), HEAD2
(12P) of the Main board and PC connector on the LED head for proper connec-
tion.)
• No Install the LED head properly.
▼
• Yes Is the contact plate of the transfer roller contacted with the contact assembly of the
Power Supply Unit (High Voltage) properly? (See Figure 6-6.)
• No Make the contact plate of the transfer roller contact with the Power Supply Unit
(High Voltage) and Shaft of the transfer roller properly.
▼
• Yes Are the contact of the developing roller and the contact of the toner supply roller of
the image drum cartridge contacted with the contact assembly properly?
(See Figure 6-5
A
and
B
.)
• No Adjust the contacts of the developing and toner supply roller to contact the
contact assembly properly.
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• Yes Replace the transfer roller. (See 3.3.36.)
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• Has the trouble been removed?
• YES END
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• No Replace the image drum cartridge.
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• Has the trouble been removed?
• YES END
Note:
After replacing the image drum cartridge, set the printer in the user
maintenance mode by turning the power on while pressing the MENU
key and reset the drum counter. (Refer to User's Manual.)
▼
• No Replace the Main board or Power Supply Unit (High Voltage).