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C2561 (bizhub C754e/C654e)
Contents
| Trouble type | Cyan TCR sensor failure |
| Trouble code | Cyan 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 | • Imaging unit /C • Imaging unit /M • Imaging unit /Y • 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, /Y • Reinstall the developing unit /K | – | – |
| 2 | Check the harness from imaging unit /C, /M, /Y and developing unit /K to PHRYB CN2, 3, 4, 5 for proper connection and correct as necessary. • CN2: Developing unit /K • CN3: Imaging unit /C • CN4, CN5: Imaging unit /M, Imaging unit /Y | – | – |
| 3 | • Replace the imaging unit (C Part# A2X20KD, M Part# A2X20ED, Y Part# A2X208D) • Replace the developing unit /K (Part# A2X203D) | – | – |
| 4 | PRCB ICP 7 conduction check | – | – |
| 5 | Replace PHRYB (Part# A2X0H00300) | – | – |
| 6 | Replace PRCB (Part# A2X0H00S06) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.65. C2561, C2562, C2563, C2564)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.7.20 (Link to the Field Service Manual)