Image Problem Troubleshooting - Oki C3200n Service Manual

7.5.3 Image Problem Troubleshooting

(1) Color is totally pale (Fig.7.2 A ) .............................................................................. 228
(1-1)Color is pale .................................................................................................... 228
(2) Background is dirty (Fig.7.2 B ) .............................................................................. 229
(2-1)Background is dirty (partly) ............................................................................. 229
(2-2)Background is dirty (totally) ............................................................................. 229
(3) Blank Print (Fig.7.2 C ) ........................................................................................... 230
(3-1)Blank on the whole page ................................................................................. 230
(4) Vertical lines are printed ......................................................................................... 231
(4-1)Thin vertical lines (with color) (See Fig.7.2 D ) ............................................... 231
(4-2)Thin vertical lines (without color) (See Fig.7.2 F ) ........................................... 231
(5) Cyclic Print Trouble (Refer to Fig.7.2 E ) ................................................................ 232
(5-1)Vertical cyclic print trouble .............................................................................. 232
(6) Color drift is wide. ................................................................................................... 233
(6-1)"IN ADJUSTING COLOR REGISTRATION" is shown only a short time ........ 233
(6-2)Although REG ADJUST TEST of the engine maintenance function is OK,
Color drift is seen ............................................................................................. 233
(7) Solid Black Print ..................................................................................................... 234
(7-1) Solid black on a full page ............................................................................... 234
Note! Read a content of EEPROM chip on the old board and copy it to a new board
when exchanging a PU board (PRN PCB).
A
Light or faded image
on whole page
D
Vertical black belt or line
42615101TH Rev.8
B
Dirty Background
E
Defective image of
regular interval
Figure 7.2
Oki Data CONFIDENTIAL
C
Blank
F
Vertical white belt or line
227 /