SC Tables
D037/D038/D040/D041 4-34 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller overheat 4 (hardware error)
The pressure roller thermistor (end) detects 250°C or more.
 Defective pressure roller thermistor (end)
 Defective PSU
 Defective BCU
 Defective fusing control system
574 A
1. Replace the pressure roller thermistor (end).
2. Replace the PSU.
3. Replace the BCU.
4.1.7 SC6XX: DEVICE COMMUNICATION
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
610 D Mechanical counter error: K
611 D Mechanical counter error: FC
This SC is only for NA models.
The machine detects the mechanical counter error when SP5987-001
is set to "1".
 Disconnected mechanical counter
 Defective mechanical counter
- -
1. Check or replace the mechanical counter.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
ARDF communication error 620 D
After the ARDF is detected, the break signal occurs or communication
timeout occurs.
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