Ricoh MPC4500

Error Code:

Code: 549
Description: Ferrite core rotation error
The ferrite roller HP sensor does not detect the ferrite roller home position for 4 seconds after the fusing/paper exit motor has turned on.
Causes: • Deformed actuator for the ferrite roller HP sensor • Defective ferrite roller HP sensor • Defective ferrite roller motor • Shorted +24V fuse on the PSU • Defective IOB
Remedy: 1. Replace the heating roller. 2. Replace the ferrite roller HP sensor. 3. Replace the ferrite roller motor. 4. Replace the +24V fuse on the PSU. 5. Replace the IOB.

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