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C2561, C2562, C2563, C2564 (bizhub C750i)
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Contents
Trouble type | C2561: Cyan TCR sensor failure C2562: Magenta TCR sensor failure C2563: Yellow TCR sensor failure C2564: Black TCR sensor failure |
Rank | B |
Trouble detection condition | -Alarm signals for each TCR sensor is detected more than the predetermined number of times. -This detection is used for detecting disconnection of TCR sensor connector. |
Trouble isolation | – |
Relevant electrical parts | -Developing unit/C,M,Y,K -Expansion control board (EXCB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Reinstall the developing unit.
- Check the connector between the developing unit/C-relay CN251-relay CN248-EXCB CN6EX for proper connection and correct as necessary. (C2561)
- Check the connector between the developing unit/M-relay CN250-relay CN248-EXCB CN6EX for proper connection and correct as necessary. (C2562)
- Check the connector between the developing unit/Y-relay CN249-relay CN248-EXCB CN6EX for proper connection and correct as necessary. (C2563)
- Check the connector between the developing unit/K-relay CN252-relay CN25-EXCB CN4EX for proper connection and correct as necessary. (C2564)
- Check the connector between EXCB CN1EX-BASEB CN11E for proper connection and correct as necessary.
- Check the connector between EXCB CN2EX-BASEB CN12E for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the corresponding developing unit.
(C Part# ACV80KD, M Part# ACV80ED, Y Part# ACV808D, K Part# ACV803D) - Replace EXCB. (Part# AA7NH00500)
- Replace CPUB. (Part# ACKNH02P03)
- Replace BASEB. (Part# ACKNH02101)