Oki Data CONFIDENTIAL
7.5.3 Troubleshooting the abnormal images
(1)
(2)
(3)
(4)
(5)
(6)
color blur occurs .......................................................................................185
(7)
Entirely black print ...............................................................................................185
Note! When an attempt is going to be made to replace the PU board, read data
contents of the EEPROM chip from the old PU board beforehand, and copy
the data contents into the new board after the new PU board is installed.
43856301TH Rev.3
A
B
Overall faded-out
Stain on white print
Blurred
D
E
Black banding/
Cyclic abnormality
black streaking
in vertical direction
Figure 7-2
7. Troubleshooting and repair procedure
C
Entirely white
F
White banding/
white streaking
in vertical direction
180 /