after the data that is stored on the hard disk has been overwritten and the machine has been rebooted
with the turning off and on of the main power switch.
• If you want to specify encryption of unencrypted data with erase-by-overwrite, select [Random
Numbers] as the overwrite method, and set the number of overwrites to "3". The entire process will
take up to nine hours. If you specify re-encryption of encrypted data, the entire process will also take
up to nine hours.
• The "Erase All Memory" function also clears the machine's security settings, with the result that
afterward, neither machine nor user administration will be effective. Ensure that users do not save any
data on the machine after "Erase All Memory" has completed.
• Rebooting will be faster if there is no data to carry over to the hard disk and if encryption is set to
[Format All Data], even if all the data on the hard disk is formatted. Before you perform encryption,
we recommend you back up important data such as the Address Book and all data stored in the
Document Server.
• If the encryption key update was not completed, the printed encryption key will not be valid.
1. Press the [User Tools] key.
2. Press [System Settings].
3. Press [Administrator Tools].
4. Press [Machine Data Encryption Settings].
If this item is not visible, press [ Next] to display more settings.
5. Press [Encrypt].
6. Select the data to be carried over to the hard disk and not be reset.
To carry all of the data over to the hard disk, select [All Data]. To carry over only the machine settings
data, select [File System Data Only]. To reset all of the data, select [Format All Data].
5. Securing Information Sent over the Network or Stored on Hard Disk
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