Description: Duplex end fence drive motor error
The end fence jogger home position sensor remains de-actuated for 8.0 seconds when the jogger home position initialization procedure is performed. The end fence jogger home position sensor remains actuated for 0.5 second when moving away from home position.
Causes: • End fence jogger home position sensor defective • End fence jogger motor defective • Duplex control board defective
Code: SC541
Description: Fusing thermistor open
The fusing temperature detected by the thermistor was below 7°C for 10 seconds.
Causes: • Fusing thermistor open • Fusing lamp open • Poor thermistor connection
Code: SC542
Description: Fusing temperature warm-up error
The fusing temperature does not reach the fusing standby temperature within 135.0 seconds after the main switch is turned on.
Causes: • Fusing thermistor defective or out of position • Fusing lamp open • Fusing thermofuse open • BCU board defective • AC drive board defective
Code: SC543
Description: Fusing overheat error 1
A fusing temperature of over 231°C is detected for 5 seconds by the fusing thermistor.
Description: Fusing overheat error 2
The fusing lamp stays on at full power for 30.0 seconds while in the stand-by condition after warm-up is completed.
Causes: • Fusing thermistor out of position
Code: SC546
Description: Fusing ready temperature malfunction
The fusing temperature goes 20 °C below or 20 °C over the stand-by temperature after warm-up is completed.
Causes: • Poor thermistor connection • Poor connection of the sliding connector between the fusing unit and the rear of the machine