C2558: Abnormally High Toner Density Detected Black Tcr Sensor - Olivetti d-Color MF651 Service Manual

Field Service Ver. 2.0 Jul. 2009
19.5.91

C2558: Abnormally high toner density detected black TCR sensor

Drum unit /K
Toner cartridge /K
Step
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
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
Imaging unit /C
Imaging unit /M
Imaging unit /Y
Step
1 Reinstall imaging unit
2 Change imaging unit
3 PRCB ICP1 or ICP2 conduction check
4 PRCB ICP17 conduction check
5 Change PRCB
19.5.95 C255C: Black TCR sensor adjustment failure
Drum unit /K
Step
1 Reinstall drum unit /K
2 Change drum unit /K
3 PRCB ICP17 conduction check
4 Change PRCB
Y110571-1
Relevant parts
Action
Relevant parts
Action
Relevant parts
Action
Service Manual
Sub hopper unit
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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19. TROUBLE CODE
Location (Electri-
cal component)
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Location (Electri-
cal component)
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Location (Electri-
cal component)
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