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543
High temperature error (Software)
• The detected temperature stays at 225°C for 1 second, and this consecutively occurs 10
times.
• Defective ECB
• Defective PSU
1.
Replace the ECB
2. Replace the PSU
• Execute
"Fuser SC Reset" to recover the machine after completing the recovery procedure.
Otherwise, the machine continues to issue this SC code and cannot be operated.
544
High temperature error (Hardware)
• During stand-by mode or a print job, the detected heating roller temperature reaches 250°
C.
• Defective ECB
• Defective PSU
1.
Replace the ECB
2. Replace the PSU
• Execute "Fuser SC Reset" to recover the machine after completing the recovery procedure.
Otherwise, the machine continues to issue this SC code and cannot be operated.
545
Fusing Lamp Overheat Error
The fusing lamps remained ON at full capacity for more than 9 s after the fusing temperature
attains reload temperature.
• Deformed thermistor
• Thermistor not in the correct position
•
Defective fusing lamp
1. Replace the fusing unit.
2. Replace the fusing lamp.
• Execute
"Fuser SC Reset" to recover the machine after completing the recovery procedure.
Otherwise, the machine continues to issue this SC code and cannot be operated.
Service Call Conditions
121
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