• Code: SC401
• Description: Transfer Roller Error Definition [B] The transfer roller current feedback signal is not detected or the transfer roller current leak signal is detected.
• Causes: · High voltage supply board defective · Poor connection between the transfer current terminal and the high voltage supply board · Poor PCU connection

• Code: SC403
• Description: Transfer Belt Position Sensor Error Definition [B] The transfer belt position sensor does not activate even if the transfer belt clutch has rotated once.
• Causes: · Main motor/drive malfunction · Transfer belt position sensor defective · Poor transfer belt position sensor connection

• Code: SC405
• Description: Transfer Belt Error Definition [B] The transfer belt does not move away from the drum during ID sensor pattern checking.
• Causes: · Main motor/drive malfunction · Transfer belt position sensor defective · Poor transfer belt position sensor connection

• Code: SC440
• Description: Main Motor Lock Definition [B] The main motor lock signal is longer than 2 seconds while the main motor turns on.
• Causes: · Too much load on the drive mechanism · Main motor defective

• Code: SC490
• Description: Exhaust Fan Motor Lock Definition [B] An exhaust fan motor lock signal is not detected within 5 seconds after the exhaust fan motor turns on.
• Causes: · Too much load on the drive mechanism · Exhaust fan motor defective · Poor fan motor connector connection

• Code: SC492
• Description: Cooling Fan Motor Lock Definition [B] A cooling fan motor lock signal is not detected within 5 seconds after the cooling fan motor turns on.
• Causes: · Too much load on the drive mechanism · Cooling fan motor defective · Poor fan motor connector connection

• Code: SC493
• Description: Bridge Unit Cooling Fan Lock Definition [B] A bridge unit cooling fan motor lock signal is not detected within 5 seconds after the bridge unit cooling fan motor turns on.
• Causes: · Too much load on the drive mechanism · Bridge unit cooling fan motor defective · Poor fan motor connector connection

• Code: SC501-1
• Description: 1st Tray Lift Malfunction 1 Definition [C] The paper upper limit sensor is not activated after the tray lift motor has been on for 10 seconds.
• Causes: · 1st tray upper limit sensor defective · Tray lift motor defective · Poor tray lift motor connection