6
.5.3 Image Problem Troubleshooting
(1) Color is totally pale (Figure 7.2
A
) .................................................................................205
(1-1) Color is pale ........................................................................................................205
(2) Background is dirty (Figure 7.2
B
) ................................................................................206
(2-1) Background is dirty (partly) .................................................................................206
(2-2) Background is dirty (totally).................................................................................206
(3) Blank Print (Figure 7.2
C
)..............................................................................................207
(3-1) Blank on the whole page.....................................................................................207
(4) Vertical lines are printed .................................................................................................208
(4-1) Thin vertical lines (with color) (See Figure 7.2
D
) ..............................................208
(4-2) Thin vertical lines (without color) (See Figure 7.2
F
) .........................................208
(5) Cyclic Print Trouble (Refer to Figure 7.2
E
) ...................................................................209
(5-1) Vertical cyclic print trouble ..................................................................................209
(6) Color drift is wide. ...........................................................................................................210
(6-1) "IN ADJUSTING COLOR REGISTRATION" is shown only a short time .............210
(6-2) Although REG ADJUST TEST of the engine maintenance function is OK, Color
drift is seen .........................................................................................................210
(7) Solid Black Print .............................................................................................................211
(7-1) Solid black on a full page ....................................................................................211
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
194
Service Manual
Y108500-4
