C4802 (bizhub C554e/C454e)
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. When the finisher or job separator has been installed, remove it once. 2. Call the Enhanced Security in Service mode to the screen. 3. Touch [Engine Data Backup]. 4. Touch [Engine Data Reflect Mode], and press the Start key. 5. Select [Yes], and press the Start key again. 6. Check that the result OK appears. 7. 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, contact KM. | – | – |
- Link to the layout drawings for related parts by each trouble code (S.1. C0002, C4802, C5601, CEEE3)
K.3.9.5 (Link to the Field Service Manual)