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C2564 (bizhub C754/C654)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | Black TCR sensor failure |
| Trouble code | C2564: Black TCR sensor failure |
| Rank | B |
| Detection timing | Alarm signals for a TCR sensor are 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 /K -PH relay board (PHRYB) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Reinstall the imaging unit /C,/M, /YReinstall the developing unit /K | – | – |
| 2 | Check the harness from imaging unit /C, /M, /Y and developing unit /K to PRCB CN2, 3, 4, 5 for proper connection and correct as necessary.CN2: Developing unit /KCN3: Imaging unit /CCN4, CN5: Imaging unit /M, Imaging unit /Y | – | – |
| 3 | Replace the imaging unitReplace the developing unit /K (Imaging Unit Part# C Part# A2X20KD, M Part# A2X20ED, Y Part# A2X208D / Developing Unit K Part# A2X203D) | – | – |
| 4 | PRCB ICP 17 conduction check | – | – |
| 5 | Replace PHRYB (Part# A2X0H00300) | – | – |
| 6 | Replace PRCB (Part# A2X0H00102) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.65. C2561, C2562, C2563, C2564)
K.3.7.20 (Link to the Field Service Manual)