1. Log in as the machine administrator.
  2. Press the “Menu” key.
  3. Select “Security Options” by using the Up or Down key.
  4. Press “Machine Data Encryption”.

  5. Press “Encrypt”.

    The machine cannot be operated while data is being encrypted.

    Once the encryption process starts, it cannot be stopped.

    If the power switch is turned OFF, the NVRAM will be damaged and all data in it will be unusable.

  6. Press “PrtOnPpr” after “Select the method to backup the new machine data encryption key" is displayed.
    Only the method to print the encryption key is available for printer models.

  7. Press “Print” to print the new encryption key.

    The encryption key is required for data recovery if the machine malfunctions. Be sure to instruct the customer to keep it in a safe place.

  8. Check that the message “Check the key is printed properly. Press continue to encrypt.” appears, then press “Continue”.

  9. Press [Restart] to reboot the machine.

    When you reboot the machine, the machine will start to convert the data in the memory. Wait until the message “Memory conversion complete. Turn the main power switch off.” appears, and then turn the main power switch OFF again.