Encrypting Data to Prevent Data Leaks Caused by a Stolen or Disposed Machine | User Guide | IM 7000, IM 8000, IM 9000
The default erase method is [Random Numbers], and the default number of overwrites is [3].
NSA : Overwrites data twice with random numbers and once with zeros.
DoD : Overwrites data with a random number, then with its complement, then with another
random number, and the data is verified.
Random Numbers: Overwrites data multiple times with random numbers. Select the number of
overwrites from one to nine.
*1 National Security Agency (U.S.A)
*2 Department of Defense (U.S.A)
If you enable both overwriting and data encryption, the overwriting data will also be encrypted.
Press [Settings for Administrator] [Data Management] [Auto Erase
Memory Setting].
From the list next to Auto Erase Memory Setting, select [On], and then
select an erase method.
*1
*2
Press [OK].
Press [Home] ( ), and then log out of the machine.