Overwrite Temporary Data - Oce cm4521 User Manual

7

Overwrite Temporary Data

The setting for overwriting data on the hard disk can be specified. (The de-
fault setting is "Mode 1".)
This machine destroys data by overwriting all data in the entire area where
an image was stored when that image data on the hard disk is considered
unnecessary. In addition, destroying the structure of data other than image
data prevents the disclosure of the data in case the hard disk is stolen.
Setting
Mode 1
Mode 2
Reminder
When the setting for giving priority to encryption or overwriting is
changed, the hard disk must be formatted.
1
Touch [Security Settings] in the Administrator Settings screen.
2
Touch [6 HDD Setting] in the Security Setting screen.
3
Touch [2 Overwrite Temporary Data] in the HDD Setting screen.
– Select "Encryption Priority" when performing high-level security en-
cryption processing. However, data overwriting with encryption of
the hard disk differs depending on whether "Mode 1" or "Mode 2"
is selected. Normally, "Encryption Priority" is selected.
– If "Overwrite Priority" is selected, data overwriting with encryption
of the hard disk is performed depending on whether "Mode 1" or
"Mode 2" is selected. Select this setting when the format of the
data written to the hard disk is considered important.
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Description
Overwritten with 0x00
Overwritten with 0x00 → Overwritten with 0xff →
Overwritten with the letter "A" (0x61) → Verified
Specifying Utility mode parameters
cm4521