7.4.3 Image Problem Troubleshooting
(1) Color is totally pale (Figure 7.2
A
) .......................................................................... 188
(1-1) Color is pale ................................................................................................... 188
(2) Background is dirty (Figure 7.2
B
) .......................................................................... 189
(2-1) Background is dirty (partly) ............................................................................ 189
(2-2) Background is dirty (totally) ............................................................................ 189
(3) Blank Print (Figure 7.2
C
) ....................................................................................... 190
(3-1) Blank on the whole page ................................................................................ 190
(4) Vertical lines are printed .......................................................................................... 191
(4-1) Thin vertical lines (with color) (See Figure 7.2
D
) ......................................... 191
(4-2) Thin vertical lines (without color) (See Figure 7.2
F
) .................................... 191
(5) Cyclic Print Trouble (Refer to Figure 7.2
E
) ........................................................... 192
(5-1) Vertical cyclic print trouble ............................................................................. 192
(6) Color drift is wide. .................................................................................................... 193
(6-1) "ADJUSTING COLOR REGISTRATION" is shown only a short time ............ 193
(6-2) Although REG ADJUST TEST of the engine maintenance function is OK,
Color drift is seen .................................................................................... 193
(7) Solid Black Print ...................................................................................................... 194
(7-1) Solid black on a full page ............................................................................... 194
Note!
When replacing the PU board (PRX PCB), please read the content on the EEPROM chip
of the old board and copy it to the new board.
.
Figure 7.2
Light or faded image
on whole page
A
Vertical black belt or line
D
Dirty Background
B
Defective image of
regular interval
E
Blank
C
Vertical white belt or line
F
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