No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
552 A Heating roller warm-up error 2
The heating roller temperature does not reach the ready temperature while 70
seconds after the heating lamp on.
• Dirty or defective thermistor (end)
• Heating roller fusing lamp broken
• Defected thermostat
• Defective heating roller fusing lamp
1. Check if the heating roller thermistor (end) is firmly connected.
2. Replace the heating roller thermistor (end).
3. Replace the heating roller fusing lamp.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
553 A Heating roller fusing lamp overheat 2 (software error)
The detected pressure roller temperature stays at 230°C or more for 1 second.
• Defective PSU
• Defective BCU
1. Replace the heating roller thermistor (end).
2. Replace the PSU.
3. Replace the BCU.
SC Tables
591
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