CC163 (bizhub 4750i/4050i)
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Contents
| Trouble type | CC163: ROM contents error (PRT) |
| Rank | C |
| Trouble detection condition | The wrong model of firmware is detected in the engine during the initial connection to the engine is being checked. |
| Trouble isolation | – |
| Relevant electrical parts | -Backup board (ERB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Rewrite the firmware.
- Replace CPUB. (Part# ACT9H01003)
NOTE- When taking the above steps, check whether CPUB is defective or not without replacing the ERB.
1. Turn OFF the main power switch and replace the current CPUB with a new one.
2. Update the firmware.
3. After completing the firmware update, turn OFF and ON the main power switch and check to see that warm-up is started.
4. When the trouble cannot be solved, reinstall the removed CPUB to the original board.
- When taking the above steps, check whether CPUB is defective or not without replacing the ERB.
- Replace BASEB.
4750i (Part# ACT9H02013)
4050i (Part# ACT9H02002) - If the above actions do not solve the problem, contact KM.