
Field Service Ver. 2.0 Jul. 2009
19. TROUBLE CODE
801
TROUBLESHOOTING
19.5.91
C2558: Abnormally high toner density detected black TCR sensor
19.5.92
C2559: Cyan TCR sensor adjustment failure
19.5.93
C255A: Magenta TCR sensor adjustment failure
19.5.94
C255B: Yellow TCR sensor adjustment failure
19.5.95
C255C: Black TCR sensor adjustment failure
Relevant parts
Drum unit /K
Toner cartridge /K
Sub hopper unit
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Reinstall drum unit/K
—
—
2
Reinstall toner cartridge
—
—
3
Change drum unit/K
—
—
4
PRCB ICP17 conduction check
—
—
5
Change PRCB
—
—
6
Change sub hopper unit
—
—
Relevant parts
Imaging unit /C
Imaging unit /M
Imaging unit /Y
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Reinstall imaging unit
—
—
2
Change imaging unit
—
—
3
PRCB ICP1 or ICP2 conduction check
—
—
4
PRCB ICP17 conduction check
—
—
5
Change PRCB
—
—
Relevant parts
Drum unit /K
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Reinstall drum unit /K
—
—
2
Change drum unit /K
—
—
3
PRCB ICP17 conduction check
—
—
4
Change PRCB
—
—
Y110571-1 Service Manual
Содержание d-color MF651
Страница 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Страница 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 511: ...Field Service Ver 2 0 Jul 2009 10 UTILITY 451 ADJUSTMENT SETTING Blank Page Y110571 1 Service Manual...
Страница 716: ...16 MECHANICAL ADJUSTMENT Field Service Ver 2 0 Jul 2009 656 ADJUSTMENT SETTING Blank Page Service Manual Y110571 1...
Страница 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...