C4091 (bizhub C554e/C454e)
Contents
| Trouble type | I/F communication error |
| Trouble code | C4091 |
| Rank | C |
| Detection timing | The communication between the MFPB and PRCB can not be completed even when elapsed a given period of time. |
| Trouble isolation | – |
| Relevant electrical parts | • MFP board (MFPB) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Reboot the machine. | – | – |
| 2 | Check the flat cable between MFPB PJ03-PRCB CN41 for proper connection and correct as necessary. | – | – |
| 3 | Check the connected portion of the flat cable for any curled pattern or any scratches, and replace it if necessary. | – | – |
| 4 | Replace MFPB (Part #A5C1H0200B) | – | – |
| 5 | Replace PRCB (C554e Part# A5AYH00101 / C454e Part# A5C0H00101) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.93. C4091)