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40930701TH DRAFT Vesion 161 /
8 White belts or streaks in the vertical direction
• Are the LED lens dirty?
• Yes Clean the LED lens.
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• No Is the contact plate of the transfer roller contacted with the Power Supply Unit
(High Voltage) properly? (See Figure 6-6.)
• No Make the contact plate contact with the Power Supply Unit (High Voltage)
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 Is the LED head installed properly? (Check connector HEAD1 (14p), HEAD2
(12p) on the Main board and PC connector
on the LED head.)
• No Install the LED head properly.
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• Yes Replace the LED head.
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• Has the trouble been removed?
• YES END
Note:
After replacing the LED head, set the printer in the engine mainte-
nance mode by turning the power on while pressing the FORM FEED
and ENTER keys. Set the LED head drive time.
(Refer to Section 4.2.)
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• Yes 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. Reset the drum counter. (Refer to User’s Manual.)
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• No Replace the Main board or Power Supply Unit (High Voltage).