C2564 (bizhub 950i/850i)
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Contents
Trouble type | C2564: Black TCR sensor failure |
Rank | B |
Trouble detection condition | – The output of the TCR sensor is 0. – This detection is used for detecting disconnection of TCR sensor connector. |
Trouble isolation | – |
Relevant electrical parts | – Developing unit – PH relay board (PHRYB) – CPU board (CPUB) – Base board (BASEB) |
Procedure
- Reinstall the developing unit.
- Check the connector between the developing unit-relay and CN214-PHRYB CN6 for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the developing unit.
- PHRYB PS1 conduction check.
- Replace PHRYB.
- Replace CPUB.
- Replace BASEB.