45530603TH Rev.2
4-2
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
4.1 Important notes to start the repair work
4.2 Matters to be checked before taking corrective actions against abnormalities
4.3 Precautions when taking corrective actions against abnormalities
4.4 Preparation for troubleshooting
(1) Display on the operation panel
Error status of this printer is displayed on the LCD (Liquid crystal display) screen of
the operation panel.
Ta ke a pp ro pr i at e t ro ubl es ho o tin g a ct io ns by fo ll o wi ng t he me ss ag e di sp la ye d o n t he
LCD screen.
(1) Do not touch the OPC drum surface with your hand and do not allow any foreign
materials to touch it.
(2) Do not expose the OPC drum to the direct sunlight.
(3) The fuser unit is extremely hot. Do not touch.
(4) Do not expose image drums to any light for 5 minutes or longer at room
temperature.
(1) The operation environment of the printer is appropriate.
(2) Consumable items (toner cartridges and image drums) have been replaced
properly.
(3) Print media (paper) has no problem. Refer to paper specifications in User’s Manual.
(4) The image drums are installed correctly.
(1) Read the basic check / inspection points described in User’s Manual.
(2) Get information from customers in detail as much as possible about problem
occurrence conditions.
(3) Carry out checking under the conditions that are similar to those at occurrence of
the problem.
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