SC Table
SM 4-39 G133
Trouble-
shooting
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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.
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
549 A
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.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller thermistor error
The temperature measured by the heating roller thermistor does not
reach 0 °C for 7 seconds.
Loose connection of heating roller thermistor
Defective heating roller thermistor
Related SC code: SC 541
551 A
1. Check that the heating roller thermistor is firmly connected.
2. Replace the heating roller thermistor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller warm-up error 2 552 A
The heating roller temperature does not reach the ready
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