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If you specify both the Erase All Memory function and the encryption function, the Erase
All Memory function is performed first. Encryption starts after the Erase All Memory
function has been completed and the machine has been rebooted.
If you use the Erase All Memory function and the encryption function simultaneously, and
select overwrite 3 times for the Random Numbers overwriting method, the process will
take up to 3 hours and 15 minutes. Re-encrypting from an already encrypted state takes
the same amount of time. The Erase All Memory function also clears the machine's
security settings, so that neither machine nor user administration will be possible. Ensure
that users do not save any data on the machine after the Erase All Memory process is
completed.
Rebooting will be faster if there is no data to carry over to the internal storage and if
encryption is set to [Format All Data], even if all data on the internal storage is formatted.
Before you perform encryption, we recommend you back up important data such as the
Address Book and all data stored in Document Server.
When disposing of a machine, completely erase the memory. For details about erasing
all the memory, see Initializing the Machine with the Erase All Memory Function.
1. Log in to the machine as the machine administrator on the control panel.
Logging in to the Machine as an Administrator
When custom-privileges administrators are registered, you can log in to the machine as a
custom-privileges administrator with the File Management privilege as well.
Logging in to the Machine as a Custom-Privileges Administrator
2. On the Home screen, press [Settings].
3. Press [System Settings].
4. Press [Settings for Administrator]
Encryption Settings].
[File Management]
[Machine Data
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