Lexmark C790 manual Configuring printer hard disk encryption, 148, Touch Disk Encryption Enable

4Touch Wipe Disk, and then touch one of the following:

•Wipe disk (fast)—This lets you overwrite the disk with all zeroes in a single pass.

•Wipe disk (secure)—This lets you overwrite the disk with random bit patterns several times, followed by a verification pass. A secure overwrite is compliant with the DoD 5220.22-M standard for securely erasing data from a hard disk. Highly confidential information should be wiped using this method.

5Touch Yes to proceed with disk wiping. A status bar will indicate the progress of the disk wiping task.

Note: Disk wiping can take from several minutes to more than an hour, during which the printer will be unavailable for other user tasks.

6Touch Back, and then Exit Config Menu.

The printer will power-on reset, and then return to normal operating mode.

Configuring printer hard disk encryption

Note: Your printer may not have a hard disk installed.

Enabling hard disk encryption helps prevent the loss of sensitive data in the event your printer or its hard disk is stolen.

Using the Embedded Web Server

1From the Embedded Web Server, click Settings > Security > Disk Encryption.

Note: Disk Encryption appears in the Security Menu only when a formatted, non-defective printer hard disk is installed.

2From the Disk encryption menu, select Enable.

Notes:

•Enabling disk encryption will erase the content of the printer hard disk.

•Disk encryption can take from several minutes to more than an hour, during which the printer will be unavailable for other user tasks.

3Click Submit.

Using the printer control panel

1Turn off the printer.

2Hold down and bar appears.

6MNO

while turning the printer on. Release the buttons only when the screen with the progress

The printer performs a power-on sequence, and then the Configuration menu appears. Once the printer is fully powered up, the touch screen displays a list of functions, instead of standard home screen icons such as Copy or Fax.

3Touch Disk Encryption > Enable.

Note: Enabling disk encryption will erase the contents of the printer hard disk.

4Touch Yes to proceed with disk wiping.

A status bar will indicate the progress of the disk wiping task. After the disk has been encrypted, the printer will return to the Enable/Disable screen.

Securing the printer hard disk and other installed memory

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