Completely Erasing Unnecessary Data from the Memory

You can completely erase unnecessary or previously deleted data from the memory. You can select the mode and timing for erasing data from the memory.
The following data is completely erased from the memory:
Image temporarily data created when scanning
Remaining data after the files in the Mail Box are deleted
Remaining data after the files in the Fax/I-Fax Inbox (Confidential Fax Inbox/Memory RX Inbox) are deleted
Sent and received fax/I-fax data
Spooled data
Data temporarily stored as print data

Completely Deleting Data from the Memory

1.
Press (Settings/Registration).
2.
Press [Management Settings] → [Data Management] → [Delete Existing Data Settings].
3.
Press [Delete Existing Data].
4.
Press [On] → [OK].
If you do not want to completely delete data from the memory, press [Off].

Setting the Timing of Deletion

1.
Press (Settings/Registration).
2.
Press [Management Settings] → [Data Management] → [Delete Existing Data Settings].
3.
Press [Timing of Deletion].
4.
Select the deletion timing → press [OK].
Details of each item are shown below:
[During Job]:
Overwrites and erases the data for each page as it is output.
[After Job]:
Overwrites and erases the data after all pages have been output.

Setting the Deletion Mode

You can set the Deletion mode and how many times to erase the data.
1.
Press (Settings/Registration).
2.
Press [Management Settings] → [Data Management] → [Delete Existing Data Settings].
3.
Press [Overwrite Method to Delete HDD Data] → select the deletion mode → press [OK].
Details of each item are shown below:
[Once with 0 (Null) Data]:
Overwrite the data once with 0 (null) data.
[Once with Random Data]:
Overwrite the data once with random data.
[3 Times with Random Data]:
Overwrite the data three times with random data.
[DoD Standard]:
Overwrite the data three times. The first time is with a fixed value, the second time with a complement of the fixed value, and the third time is with random data.
NOTE
As you increase the number of times the data is erased, the performance of the machine when processing jobs may degrade.

NOTE
You cannot use the machine while data is being erased from the memory. It may also take some time until the machine becomes ready to scan once the data is completely erased.
The performance of the machine may degrade when processing jobs.
Settings specified from the control panel become effective after the machine is restarted, after the procedure. If <Perform Apply Setting Changes from Settings/Regist.> is displayed on the bottom of the touch panel display, you can press [Apply Set. Chng.] in (Settings/Registration) to restart the machine. For information on restarting the machine using the main power switch, see "Main Power and Energy Saver Key."
12HF-20U