Enabling the Encryption Settings
• The machine cannot be operated while data is being encrypted.
•
Once the encryption process begins, it cannot be stopped. Make sure that the machine's main
power is not turned off while the encryption process is in progress. If the machine's main power is
turned off while the encryption process is in progress, the hard disk will be damaged and all data
on it will be unusable.
• The encryption key is required for data recovery if the machine malfunctions. Be sure to store the
encryption key safely for retrieving backup data.
• Encryption begins after you have completed the control panel procedure and rebooted the
machine by turning off and on the main power switch. If both the erase-by-overwrite function and
the encryption function are specified, encryption begins 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 use hard disk erase-by-overwrite and encryption simultaneously and you select overwrite
three times for "Random Numbers", the maximum time to complete the operations will be 11 hours,
15 minutes. Re-encrypting from an already encrypted state takes same amount of time.
• 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
Document Server.
• If the encryption key update was not completed, the printed encryption key will not be valid.
1. The machine administrator logs in from the control panel.
2. Press [System Settings].
3. Press [Administrator Tools].
4. Press [
Next] three times.
Encrypting Data on the Hard Disk
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