• Code: 504-1
• Description: 4th tray lift malfunction (optional paper feed unit)
  For the paper feed unit:
  • When the tray lift motor turns on, the upper limit is not detected within 10 seconds. If this condition occurs three consecutive times, the SC is generated.
• Causes: For the paper feed unit:• Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection

• Code: 504-2
• Description: 4th tray lift malfunction (optional paper feed unit)
  For the paper feed unit: When the tray lift motor is turned on, the upper limit is not detected within 10 seconds. If this condition occurs three consecutive times, the SC is generated.
• Causes: • Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection

• Code: 505-1
• Description: 5th tray lift malfunction (optional LCT)
  This SC is generated if the following condition occurs: • When the tray lift sensor of the LCT 1200-sheet does not go on after the tray lift motor has turned on to lift the paper tray. • When the tray lift sensor of the LCT 1200-sheet does not go off after the tray lift motor has turned on to lower the paper tray. • When the tray lift sensor of the LCT 1200-sheet does not go on after the pick-up roller solenoid has turned on at power on.
• Causes: • Tray lift motor defective or disconnected • Tray lift sensor defective or disconnected

• Code: 505-2
• Description: 5th tray lift malfunction (optional LCT)
  Both tray lift sensor and lower limit sensor are turned on at the same time when the main power is turned on or the right door is closed.
• Causes: • Tray lift motor defective or disconnected • Tray lift sensor defective or disconnected • Lowe limit sensor defective or disconnected

• Code: 530
• Description: Fusing exhaust fan motor errorThe IOB does not receive the lock signal for10 seconds after turning on the fusing exhaust fan.
• Causes: • Defective fusing exhaust fan motor or connector disconnection • Defective IOB • Disconnected harness

• Code: 531
• Description: Exhaust fan motor error
  The IOB does not receive the lock signal for 10 seconds after turning on the exhaust fan motor.
• Causes: • Defective exhaust fan motor or connector disconnection. • Defective IOB • Disconnected harness

• Code: 532
• Description: Cooling fan motor error
  The machine does not detect the fan motor lock signal for 10 seconds after turning on the cooling fan motor.
• Causes: • Defective cooling fan motor or connector disconnection. • Disconnected harness • Defective IOB

• Code: 533
• Description: Paper exit cooling fan motor error
  The machine does not detect the fan motor lock signal for 10 seconds after turning on the paper exit cooling fan motor.
• Causes: • Defective paper exit cooling fan motor or connector disconnection. • Defective IOB • Disconnected harness