Description: High Voltage Power Supply Error Definition: A charge roller current leak signal is detected. A transfer roller current leak signal is detected. A development bias leak signal is detected.
Causes: · Charge roller damaged. · Transfer roller damaged. · Discharge brush grounding problem · High voltage supply board defective · Poor PSU connection
Code: SC320
Description: Polygon Mirror Motor Error Definition: The polygon mirror motor does not reach its operating speed within 10 seconds after the polygon mirror motor on signal, or the lock signal is not detected for more than 10 seconds continuously during operation.
Causes: · Polygon mirror motor defective · Poor connection between the polygon mirror motor driver and the engine control board · Engine control board defective
Code: SC322
Description: Laser Synchronization Error Definition: The laser synchronization signal cannot be detected by the main scan synchronization detector board for more than 4 consecutive 100 ms intervals.
Causes: · Laser synchronization detector out of position · Laser synchronization detector defective · Engine control board defective
Code: SC500
Description: Main Motor Error Definition: A main motor lock signal is detected for more than 1 second or the lock signal is not detected for more than 500 ms during rotation.
Causes: · Too much load on the drive mechanism · Main motor defective
Code: SC542
Description: Fusing Temperature Warm-up Error Definition: The fusing temperature does not reach 80°C within 60 seconds after the main switch is turned on or after the covers have been closed. Or, during warmingup, the fusing temperature does not change by at least 3°C within 5 seconds.
Causes: · Fusing thermistor defective or out of position · Fusing lamp open · Fusing thermofuse open · Power supply unit defective · Poor fusing unit connection · Engine control board defective
Code: SC543
Description: Fusing High Temperature Error Definition: A fusing temperature of over 230°C is detected for 1 second by the fusing thermistor.
Causes: · Fusing thermistor defective · Power supply unit defective