How Can We Help?
C8401 (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 | Data flash failure |
| Trouble code | C8401 |
| Rank | C |
| Detection timing | Data flash does not access normally |
| Trouble isolation | – |
| Relevant electrical parts | DF control board (DFCB) |
(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 | Check the DFCB connector for proper connection and correct as necessary. | – | – |
| 3 | Rewrite the firmware. | – | – |
| 4 | Replace DFCB (Part# A3CKH00102) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.107. C8401, CC156, CC165)
K.3.12.6 (Link to the Field Service Manual)