Oki C9600 Series, Service Manual

Page: 174 / 279

Oki Data CONFIDENTIAL
42930511TH Rev. 2
174 /
Troubleshooting
Trouble is displayed
on LCD as a
message.
Repair the malfunction
using the "LCD Message
List". (Refer to Section
7.5.1)
Repair the malfunction in
detail using the
troubleshooting flow chart.
(Refer to Section 7.5.2)
Abnormal image
(and trouble that is
not displayed as
message on LCD).
Repair the malfunction in
detail using the
troubleshooting flow chart.
(Refer to Section 7.5.3)
7.
TROUBLESHOOTING PROCEDURES
7.1 Precautions Before Repairs
(1) Check the basic inspection items indicated in the User’s Manual.
(2) Learn from the customer the details on when malfunction occurs.
(3) Inspect the state that closely resembles the state of a malfunction.
7.2 Items to Check Before Remedying Abnormal Image
(1) Is the environmental conditions of this equipment appropriate?
(2) Have the consumable parts (toner, drum cartridge) been properly replaced?
(3) Is there anything wrong with the paper? Refer to the paper specification for more details
on this.
(4) Is the drum cartridge properly set?
7.3 Precautions Before Remedying Abnormal Image
(1) Do not touch OPC drum surface with hand or foreign substance.
(2) Do not expose the OPC drum to direct sunlight.
(3) The fuser unit is hot. Therefore, do not touch with hands.
(4) Do not expose the image drum to more than 5 minutes of light. This includes room lighting,
as well.
7.4 Troubleshooting Preparations
(1) Operation Panel Display
The troubleshooting state of this machine will be displayed on the LCD (Liquid Crystal
Display) of the operator panel.
Take appropriate repair/maintenance measures according to the message displayed on
the LCD.
7.5 Troubleshooting
When this printer troubleshoots, find the cause of trouble using the following procedure.