SC Tables
SM Appendix 4-31 D037/D038/D040/D041
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1. Replace the heating roller fusing lamp.
2. Replace the PSU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Zero cross frequency error
When the zero cross signal is 66 or more and it is detected 10 times or
more in 11 detections, the machine determines that input 60 Hz and
SC557 occurs.
 Noise (High frequency)
557 C
Check the power supply source.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Consecutive fusing jam
The paper jam counter for the fusing unit reaches 3 times. The paper
jam counter is cleared if the paper is fed correctly.
This SC is activated only when SP1159-001 is set to "1" (default "0").
 Paper jam in the fusing unit.
559 A
Remove the paper that is jammed in the fusing unit. Then make sure
that the fusing unit is clean and has no obstacles in the paper feed path.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller thermister error 3
The temperature measured by the pressure roller thermistor (center)
does not reach 0 °C for 45 seconds.
561 A
 Loose connection of pressure roller thermistor
 Defective pressure roller thermistor
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