Ricoh D069 Field Service Manual page 88

2. Installation
1. Turn the SD-card label to face [A] the rear of the machine. Then push it slowly into slot 1 until you
hear a click.
2. Turn on the main power switch, and then enter the SP mode.
3. Select SP5878-002, and then press "Execute" on the LCD.
4. Exit the SP mode after "Completed" is displayed on the LCD.
2
5. Turn off the main power switch.
6. Remove the SD card from slot 1.
Recovery from a Device Problem
Restoring the Encryption key
When replacing the controller board for a model in which the HDD encryption unit has been installed,
updating the encryption key is required.
1. Prepare an SD card which is initialized.
2. Make the "restore_key" folder in the SD card.
3. Make an "nvram_key.txt" file in the "restore_key" folder in the SD card.
4. Ask an administrator to input the encryption key (this has been printed out earlier by the user) into the
"nvram_key.txt" file.
5. Remove only the HDD unit (
86
HDD).