• Code: SC401
• Description: Transfer roller leak error 1/2 Definition: [B] Transfer current leak signal is detected. Transfer current feedback signal is not detected.
• Causes: · High voltage supply board defective · Poor connection of the PCU · Transfer/separation unit set incorrectly · Transfer roller damaged

• Code: SC402
• Description: Transfer roller leak error 1/2 Definition: [B] Transfer current leak signal is detected. Transfer current feedback signal is not detected.
• Causes: · High voltage supply board defective · Poor connection of the PCU · Transfer/separation unit set incorrectly · Transfer roller damaged

• Code: SC411
• Description: Separation bias leak error Definition: [B] Separation bias leak signal is detected.
• Causes: · High voltage supply board defective · Poor connection of the PCU · Discharge plate defective

• Code: SC500
• Description: Main motor lock Definition: [B] A main motor lock signal is not detected for more than 500 ms after the main motor starts to rotate, or the lock signal is not detected for more than 500 ms during rotation after the last signal.
• Causes: · Too much load on the drive mechanism · Main motor defective · Engine board defective

• Code: SC501
• Description: 1st paper tray lift motor error Definition: [C] The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
• Causes: · Paper lift sensor defective · Tray lift motor defective · Too much load on the drive mechanism · Engine board defective

• Code: SC502
• Description: 2nd paper tray lift motor error Definition: [C] The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
• Causes: · Paper lift sensor defective · Tray lift motor defective · Too much load on the drive mechanism · Engine board defective

• Code: SC503
• Description: 3rd paper tray lift motor error (optional paper tray unit) Definition: [C] The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
• Causes: · Paper lift sensor defective · Tray lift motor defective · Too much load on the drive mechanism · Engine board defective

• Code: SC504
• Description: 4th paper tray lift motor error (optional paper tray unit) Definition: [C] The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
• Causes: · Paper lift sensor defective · Tray lift motor defective · Too much load on the drive mechanism · Engine board defective