6. Press [Encrypt].
7. Select the data to be carried over to the hard disk and the one not to be deleted.
To carry all of the data over to the hard disk, select [All Data]. To carry over the machine settings
data only, select [File System Data Only]. To delete all data, select [Format All Data].
8. Specify how to back up the encryption key.
If you have selected [Save to SD Card], insert an SD card into the media slot on the side of the
control panel and press [OK] to back up the machine's data encryption key.
For details about handling and inserting the SD card, see "Inserting/Removing a Memory Storage
Device", Getting Started.
If you have selected [Print on Paper], press the [Start] key and print out the machine's data
encryption key.
9. Press [OK].
10. Press [Exit].
11. Press [Exit].
12. Log out.
13. Turn off the main power switch, and then turn on the main power switch again.
The machine will start to convert the data on the memory after you turn on the machine. Wait until
the message "Memory conversion complete. Turn the main power switch off." appears, and then
turn the main power switches off again.
For details about turning off the main power, see "Turning On/Off the Power", Getting Started.
Backing Up the Encryption Key
You can back up the encryption key without changing the encryption setting.
• The encryption key is required for data recovery if the machine malfunctions. Be sure to store the
encryption key safely for retrieving backup data.
4. Preventing Leakage of Information from Machines
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