Ricoh 406460 service manual 121

Service Call Conditions

High temperature error (Software)

•The detected temperature stays at 225°C for 1 second, and this consecutively occurs 10 times.

•Defective ECB

543• 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.

High temperature error (Hardware)

•During stand-by mode or a print job, the detected heating roller temperature reaches 250° C.

•Defective ECB

544• 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.

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

545• 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.

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