Oki C911 Maintenance Manual page 47

Oki Data CONFIDENTIAL
4.1 Important notes to start the repair work
(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.
4.2 Matters to be checked before taking corrective actions against abnormalities
(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.
4.3 Precautions when taking corrective actions against abnormalities
(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.
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.
Take appropriate troubleshooting actions by following the message displayed on the
LCD screen.
45530603TH Rev.2
4. TROUBLESHOOTING PROCEDURE
4-2