SC Tables
D117/D118 6-26 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
530 D Fusing heater exhaust fan motor error
531 D Development cooling fan motor error
532 D Writing cooling fan motor error
533 D PSU fan motor error
The motor lock signal error is detected 50 consecutive times (5
seconds) after the motor lock signal was first detected.
 Defective fan motor
 Disconnected or defective harness
 Defective BICU
1. Check or replace the harness.
2. Replace the fan motor.
3. Replace the BICU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
540 D
Fusing motor error
The machine detects a High signal from the fusing motor 20
consecutive times after the motor turned on.
 Motor overload
 Defective fusing motor
 Shorted +24 fuse on the PSU
1. Check or replace the harness.
2. Replace the fusing motor.
3. Replace the +24 fuse on the PSU.
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