• 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 error
  The 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

• Code: 540
• Description: Fusing motor error
  The IOB does not receive the lock signal for 2 seconds after turning on the fusing motor.
• Causes: • Motor overload • Defective fusing motor or connector disconnection. • Defective IOB • Disconnected harness

• Code: 541
• Description: Fusing thermistor open (center)
  The thermistor (center) detects 0°C or less for 5 sec.
• Causes: • Fusing thermistor disconnected • Fusing thermistor connector defective

• Code: 542
• Description: Fusing temperature warm-up error(center)
  This SC is generated if the following condition occurs:
  • The thermistor (center) does not detect an 8°C increment in the fusing temperature for 7.5 sec. just after the fusing temperature reached 45 °C.
  • The temperature of the center thermistor does not reach the target temperature for 28 seconds after the fusing lamps turned on.
• Causes: • Thermistor warped or broken