Oki Data CONFIDENTIAL
43827101TH Rev.2 166 /
7. TROUBLESHOOTING PROCEDURES
7.1 Precautions prior to repair
(1) Confirm the basic check items indicated in the User's Manual.
(2) Through hearing from the user, obtain information, as far in detail as possible, on the situation
concerning the fault.
(3) Inspect the printer in a condition close to the actual situation in which the fault occurred.
7.2 Items to be checked prior to taking action on abnormal images
(1) Check to see if the printer is operated in an adequate environment.
(2) Check to see if the consumables (toner, drum cartridges) are replaced properly.
(3) Check to see if the right paper is used. See the paper specifications.
(4) Check to see if the drum cartridges are installed properly.
7.3 Precautions when taking action on abnormal images
(1) Do not bring your hand or any object in contact with the surface of the OPC drum.
(2) Do not expose the OPC drum to direct sun.
(3) Do not touch the fuser unit, which can be very hot.
(4) Do not expose the image drums to light for over five minutes at the room temperature.
7.4 Preparations for troubleshooting
(1) Indications on the operator panel
A fault status of this printer is displayed in the LCD (liquid-crystal display) of the operator
panel.
Conduct fault repair properly in accordance with the message displayed in the LCD.
7.5 Troubleshooting method
If a trouble occurs in the printer, search for it by the following procedure:
Problem generated
Problem is displayed
in LCD.
Abnormal image
(or problems that are
not displayed in the
LCD)
Repair in detail using
troubleshooting flow
(see 7.5.2).
Repair in detail using
troubleshooting flow
(see 7.5.3).
Repair using the “LCD
message list” (see 7.5.1).
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