• Code: 402
• Description: Transfer roller open error
  The transfer roller current feedback signal is not detected.
• Causes: • High voltage supply board defective • Transfer connector cable defective • Transfer connector defective • Poor PCU connection

• Code: 403
• Description: Transfer belt position sensor error
  The transfer belt position sensor does not activate even if the transfer belt contact clutch has been switched on twice and rotated once.
• Causes: • Main motor/drive malfunction • Transfer belt contact clutch defective • Transfer belt position sensor defective • Harness disconnected

• Code: 405
• Description: Transfer belt error
  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 • Transfer belt contact clutch defective

• Code: 440
• Description: Main motor lock
  A main motor lock signal is not detected within 2 seconds after the main motor turns on.
• Causes: • Too much load on the drive mechanism • Main motor defective

• Code: 490
• Description: Exhaust fan motor lock
  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 or a loose object is interfering with the fan • Poor fan motor connector connection

• Code: 492
• Description: Cooling fan motor lock
  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 or a loose object is interfering with the fan • Poor fan motor connector connection

• Code: 501
• Description: 1st tray lift malfunction
  The paper height sensor is not activated after the tray lift motor has been on for 10 seconds. If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the paper height sensor should de-activate within 5 seconds after the paper bottom plate starts to drop. If it does not deactivate within 5 s four times consecutively, a message will prompt the user to reset Tray 1. After two attempts to release the error by re-setting the paper tray, if this does not solve the problem then this SC is displayed.
• Causes: • Lift motor malfunction or disconnected • Height sensor abnormal, or connector loose • Loose paper or object between the tray and motor • Pick-up arm malfunction

• Code: 502
• Description: 2nd tray lift malfunction
  The paper height sensor is not activated after the tray lift motor has been on for 10 seconds. If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the paper height sensor should de-activate within 5 seconds after the paper bottom plate starts to drop. If it does not deactivate within 5 s four times consecutively, a message will prompt the user to reset Tray 2. After two attempts to re-set the paper tray, if this does not solve the problem then this SC is displayed.
• Causes: • Lift motor abnormal or disconnected • Height sensor defective or disconnected • Loose paper or object between the tray and motor • Pick-up arm malfunction