Encryption Key Restoration - Ricoh SAVIN D0AP Service Manual

Security Settings

Encryption Key Restoration

How to restore the old encryption key to the machine
The following message appears after the controller board is replaced. In such a case, it is
necessary to restore the encryption key to the new controller board.
To do this, follow the procedure below.
1. Prepare an SD card that has been initialized in FAT16 format.
2. Using a PC, create a folder in the SD card and name it "restore_key".
3. Create a folder in the "restore_key" folder and name it the same as machine's serial
number, "xxxxxxxxxxx" (11 digits).
4. Create a text file called "key_xxxxxxxxxxx.txt" and save it in the "xxxxxxxxxxx" folder. Write
the encryption key in the text file.
/restore_key/xxxxxxxxxxx/key_xxxxxxxxxxx.txt
• Ask an Administrator to enter the encryption key. The key has already been
printed out by the user and may have been saved in the "key_xxxxxxxxxxx.txt" file.
(The function of back-up the encryption key to the SD card directly is provided 11A
products or later.)
5. Turn the machine on.
6. Confirm that a message is displayed on the LCD telling to insert the SD card that contains
the encryption key.
7. Turn the machine off.
8. Insert the SD card that contains the encryption key into the lower media slot on the back of
the machine.
9. Turn the machine on.
The machine will automatically restore the encryption key to the flash memory on the
controller board.
10. Turn the machine off when the machine has returned to normal status.
11. Remove the SD card from the media slot.
How to do a forced startup with no encryption key
If the encryption key back-up has been lost, follow the procedure below to do a forced start-up.
The HDD will be formatted after the forced start-up.
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D0AP/D0C4/D0C5/D0C6/M0BQ/M0D1 2-136 SM