• Code: 926
• Display: Power Off/on 926: Error
• Description: Tray4 24V Abnormal Voltage Detection
• Remedy: 24 V power is not supplied to tray 4 properly Check to confirm that tray 4 is mounted correctly.

• Code: 927
• Display: Power Off/on 927: Error
• Description: Tray5 24V Abnormal Voltage Detection
• Remedy: 24 V of power is not supplied to tray 5 properly Check to confirm that tray 5 is mounted correctly.

• Code: 928
• Display: Power Off/on 928: Error
• Description: Fuser Motor Lock Error
• Remedy: The fuser is not operating properly. Does the error still occur? Yes Check to confirm that fuser is in position. Replace fuser Yes Replace the fuser motor.

• Code: 929
• Display: Power Off/on 929: Error
• Description: Waste Toner Transfer Motor Lock Error
• Remedy: The waste toner transfer motor is not operating properly. Does the error still occur? Yes Check to confirm that the waste toner transfer system is operating properly. Replace waste toner motor

• Code: 930
• Display: Power Off/on 930: Error
• Description: Sub-CPU Clock Frequency Error
• Remedy: The Sub-CPU clock frequency is not correct. Does the error still occur? Yes Check the connection of the S2P board. Replace the S2P board.

• Code: 931
• Display: Power Off/on 931: Error
• Description: Duplex CPU Clock Frequency Error
• Remedy: The duplex CPU clock frequency is not correct. Does the error still occur? Yes Check the connection of the V72-18 board. Replace the V72-18 board.

• Code: 932
• Display: Power Off/on 932: Error
• Description: Inverter CPU Clock Frequency Error
• Remedy: The inverter CPU clock frequency is not correct. Does the error still occur? Yes Check the connection of the V72-13 board. Replace the V72-13 board.

• Code: 940
• Display: Power Off/on 940: Error
• Description: Waste Toner Transfer Error
• Remedy: The transfer mechanism of the toner duct for ID is not operating properly. Does the error still occur? Check to confirm that the basket assembly is in position (if it is engaged with the gear of the printer). Yes Check to confirm that the holder magnet D contains a magnet, and check the magnetic polarity. Yes Replace the HAL IC circuit board. Yes Replace the duct assembly toner.