C1003 (bizhub C754/C654)
Contents
| Trouble type | PK communication error | |
| Trouble code | C1003 | |
| Rank | B | |
| Detection timing | <When FS-535+PK-521 is installed> When a communication error is detected between the FS control board (FSCB) and the punch control board (PKCB). | |
| Trouble isolation | – | |
| Relevant electrical parts | -Punch control board (PKCB) -FS control board (FSCB) |
 (2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. | – | – |
| 2 | Rewrite the firmware. | – | – |
| 3 | Replace PKCB (Part# A2YRH10103) | – | – |
| 4 | Replace FSCB (Part# A2Y1H10002) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.10. C1003)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.6.1 (Link to the Field Service Manual)