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Image are light or blurred a whole.
� Is toner low? (Is the TONER LOW message displayed?) �
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Yes
Supply toner.
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No � No
Is paper of the specified grade used? Use paper of the specified grade. Is the lens surface of the LED head dirty? Yes Clean the lens.
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Yes �
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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 connection.) No Install the LED head properly. 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. 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. Replace the transfer roller. (See 3.3.36.)
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Yes
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Yes
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Yes
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Has the trouble been removed? � YES END Replace the image drum cartridge.
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No
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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.)
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No
Replace the Main board or Power Supply Unit (High Voltage).
