Completely Erasing Unnecessary Data from the Hard Disk
You can completely erase unnecessary or previously deleted data from the hard disk. You can select the mode and timing for erasing data from the hard disk.
The following data is completely erased from the hard disk:
Image temporarily data created when scanning
Remaining data after the files in the Mail Box/Advanced Space 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
These settings can be specified when the Data Erase function is available for use. For information on the optional products required to use the Data Erase function, see "Optional Products Required for Each Function."
Setting the Timing of Deletion
1.
Press 
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. 2.
Press [Management Settings] → [Data Management] → [HDD Data Complete Deletion].
3.
Press [Timing of Deletion].
4.
Select the deletion timing → press [OK].
Details of each item are shown below:
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[During Job]:
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Overwrites and erases the data for each page as it is output.
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[After Job]:
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Overwrites and erases the data after all pages have been output.
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Setting the Deletion Mode
You can set the Deletion mode and how many times to erase the data.
1.
Press .
.2.
Press [Management Settings] → [Data Management] → [HDD Data Complete Deletion].
3.
Press [Overwrite Method for Deletion Mode] → select the deletion mode → press [OK].
Details of each item are shown below:
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[Once with 0 (Null) Data]:
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Overwrite the data once with 0 (null) data.
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[Once with Random Data]:
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Overwrite the data once with random data.
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[3 Times with Random Data]:
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Overwrite the data three times with random data.
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[DoD Standard]:
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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.
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NOTE
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As you increase the number of times the data is erased, the performance of the machine when processing jobs may degrade.
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NOTE
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You cannot use the machine while data is being erased from the hard disk. 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.
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