The Auto Erase Memory function can be enabled by the following procedure.

  1. Log in as the machine administrator from the operation panel.
  2. Press the [User Tools] icon.
  3. Press [Machine Features].
  4. Press [System Settings].
  5. Press [Administrator Tools].
  6. Press [Next] three times.
  7. Press [Auto Erase Memory Setting].
  8. Press [On].

  9. Select the method of overwriting.

    Method of overwritingDescription
    NSATemporary data is overwritten twice with random numbers and once with zeros.
    DoD

    Each item of data is overwritten by a random number, then by its complement, then by another random number, and is then verified.

    Random Numbers

    Temporary data is overwritten multiple times with random numbers. The number of overwrites can be selected from 1 to 9. (Default: 3)

    If you select [NSA] or [DoD], proceed to step 12.
    If you select [Random Numbers], proceed to step 10.

  10. Press [Change].
  11. Enter the number of times that you want to overwrite using the number keys, and then press [#].
  12. Press [OK]. Auto Erase Memory is set.
  13. Log out.
  14. Check the display and make sure that the overwrite erase icon appears.

  15. Check the overwrite erase icon.
    The icon [1] is lit when there is temporary data to be overwritten and blinks during overwriting.
    The icon [2] is lit when there is no temporary data to be overwritten.

    Icon [1]

    This icon is lit when there is temporary data to be overwritten and blinks during overwriting.

    Icon [2]

    This icon is lit when there is no temporary data to be overwritten.