• If you replace the HDD.
    Re-install the OCR Unit Type M2 from the original SD card.
  • If you replace the NVRAM.
    If you upload / download the NVRAM data, re-install the OCR Unit Type M2 from the original SD card. If you don’t upload / download the NVRAM data, order a new SD card (service part) of the OCR Unit Type M2. Then re-install the OCR Unit Type M2 from the new SD card.
  • When you replace the HDD and NVRAM at the same time.
    Re-install the OCR Unit Type M2 from the original SD card.