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CC157 (bizhub C754/C654)
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Contents
| Trouble type | Finisher ROM error (ZU) |
| Trouble code | CC157 |
| Rank | C |
| Detection timing | Data of flash ROM of the z-folding unit is determined to be faulty when the power is turned ON. |
| Trouble isolation | – |
| Relevant electrical parts | ZU control board (ZUCB) |
 (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 ZUCB (Part# A109H01002) | – | – |
NOTICE
- Link to the layout drawings for related parts by each trouble code (S.12. C1005, CC157)
K.3.15.5 (Link to the Field Service Manual)