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Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.5.5 Image Problem Troubleshooting
(1) Color is faint and fades across pages (see Fig. 7-2 A). ................................ 247
(1-1) Color is faint and fades. ...................................................................... 247
(2) The white area of printed pages is dirty (see Fig. 7-2 B). ............................. 248
(2-1) The white area of printed pages is dirty (partially). ............................. 248
(2-2) The white area of printed pages is dirty (all over). ............................. 249
(3) Printed pages are blank (see Fig. 7-2 C). ..................................................... 249
(3-1) A printed pages are entirely blank. ..................................................... 249
(4) Vertical lines are produced in printed pages. ............................................... 250
(4-1) Fine lines (colored) (see Fig. 7-2 D) ................................................... 250
(4-2) Fine lines (white) (see Fig. 7-2 F) ....................................................... 250
(5) Print quality problems appear periodically (see Fig. 7-2 E). ........................ 251
(5-1) Print quality problems appear vertically and periodically. .................. 251
(6) Color misregistration is significant. .............................................................. 251
(6-1) The message “Adjusting color” displayed at power on stays
for a short time. ................................................................................... 251
(7) Black filled-in printing .................................................................................... 252
(7-1) Printed pages are filled-in black entirely. ........................................... 252
(8) Color jobs are printed in monochrome, not in color. ..................................... 252
(8-1) False setting of the limited-color printing menu .................................. 252
Note! To replace the CU/PU board with a new one, load EEPROM chip data on the
old board and copy it to the new board.
A
Faint and faded
across the page
B
Dirty white area
C
Entirely blank
D
Vertical black
stripe/line
E
Periodic problems
F
Vertical white
band/line
Fig.7-2
Содержание MC561
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