C1004 (bizhub C554/C454)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | FNS communication error | |
| Trouble code | C1004 | |
| Rank | C | |
| Detection timing | <When FS-533, FS-534 or FS-535 is installed> When the FS control board (FSCB) is receiving data, a communication error is detected. | |
| <When JS-506 is installed> When the JS control board (JSCB) is receiving data, a communication error is detected. | ||
| Trouble isolation | – | |
| Relevant electrical parts | <When FS-533, FS-534 or FS-535 is installed> FS control board (FSCB) | |
| <When JS-506 is installed> JS control board (JSCB) |
(2)ProcedureWhen FS-533, FS-534 or FS-535 is installed
| 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 FSCB (FS-533 Part# A2YUPPH901 for Model No. A2YU-WY1 or Part # A2YUPPXN00 for Model No. A2YU-WY2 /FS-534 Part# A3EPPPBE01 /FS-535 Part# A2Y1H10002) | – | – |
When JS-506 is installed
| 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 JSCB (Part# A2YVH10102) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.15. C1004, CC155)
K3.6.2 (Link to the Field Service Manual)