No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
552
-03
A
Heating roller warm-up error (sensor 2)
• The heating roller temperature does not reach 80°C within the prescribed
time.
•
The center temperature of the heating roller does not reach the target reload
permit temperature within the prescribed time.
•
The center temperature of the heating roller does not reach the target reload
permit pressure within the prescribed time.
• Dirty thermopile lenses
• Defective heating roller thermistor
• Input voltage out of the warranty (out of specification)
1. Check and clean the thermopile lenses.
2. Replace the thermopile
3. Replace the thermistor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
554 A
Heating roller fusing lamp overheat (hardware error)
The temperature detected by the heating roller thermistor reaches the prescribed
temperature.
• Defective BICU
• Defective fusing control system
1. Replace the BICU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
557 C
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 this SC occurs.
• Noise (High frequency)
• Defective PSU
1. Check the power supply source.
2. Replace the PSU.
6. Troubleshooting
660
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