Lexmark C950 manual Erasing non‑volatile memory, Erasing printer hard disk memory

Securing the hard disk and other installed memory 155

Erasing non‑volatile memory

•Individual settings, device and network settings, security settings, and embedded solutions—Erase information and settings by selecting Wipe All Settings in the Configuration menu.

•Fax data—Erase fax settings and data by selecting Wipe All Settings in the Configuration menu.

1Turn off the printer.

2Hold down and 6MNO while turning the printer on. Release the buttons only when the screen with the progress bar appears.

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

3Touch Wipe All Settings.

The printer will reboot several times during this process.

Note: Wipe All Settings securely removes device settings, solutions, jobs, faxes, and passwords on the printer.

4Touch Back > Exit Config Menu.

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

Erasing printer hard disk memory

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

Configuring Disk Wiping in the printer menus enables you to remove residual confidential material left by scan, print, copy, and fax jobs, by securely overwriting files that have been marked for deletion.

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. When the printer is fully powered up, the touch screen displays a list of functions, instead of the standard home screen icons.

3Touch 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.

4Touch 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.

5Touch Back > Exit Config Menu.

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