OCR Unit Type M13 (D3AC-23, 24, 25) (MP 501/601 Only)
D255/D256/M281/M282 2-128 SM
2.18.3 RECOVERY PROCEDURE
When this option is installed, a function is saved on the HDD, and ID information on the SD card is
saved in the NVRAM. Therefore, when replacing the HDD and/or NVRAM, this option must be
reinstalled.
When storing the original SD card
 When only the HDD is replaced
Reinstall using the original SD card.
 When only the NVRAM is replaced
When uploading or downloading the NVRAM data, reinstall using the original SD card.
When not uploading or downloading the NVRAM data, order and reinstall a new SD card
(service part).
 When the HDD and NVRAM are replaced simultaneously
Reinstall using the original SD card.
If the original SD card is lost
Order and reinstall a new SD card (service part).
 Perform reinstallation in the same way as installation.
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