C4802 (bizhub C754/C654)
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Contents
| Trouble type | Main unit backup data miscompare |
| Trouble code | C4802 |
| Rank | C |
| Detection timing | The replacement of the printer control board is detected. |
| Trouble isolation | – |
| Relevant electrical parts | Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | 1. Call the Enhanced Security in Service Mode to the screen. 2. Touch [Engine Data Backup]. 3. Touch [Engine Data Reflect mode], and press the Start key. 4. Select [Yes], and press the Start key again. 5. Check that the result OK appears. 6. Turn OFF the main power switch and turn it ON again more than 10 seconds after. | – | – |
| 2 | Update the PRCB firmware. | – | – |
| 3 | If the above actions do not solve the problem, contactKonica Minolta Technical Support. | – | – |
- Link to the layout drawings for related parts by each trouble code (S.62. C2414, C2552, C2554, C2556, C2558, C2559, C255A, C255B, C255C, C2651, C4802, C5601, CC153, CEEE3)
K.3.9.6 (Link to the Field Service Manual)