Lexmark X950DHE User's Guide PDF Lexmark X950 and XS950 Series

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Erasing volatile memory

The volatile memory (RAM) installed on your printer requires a power source to retain information. To erase the

buered data, simply power down the device.

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.

1 Turn o the printer.

2 Hold down and

MNO

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.

3 Tou ch 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.

4 Tou ch Back > Exit Conﬁg Menu.

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

Erasing printer hard disk memory

Notes:

• Some printer models may not have a printer hard disk installed.

• Conﬁguring Erase Temporary Data Files in the printer menus lets you remove residual conﬁdential

material left by print jobs by securely overwriting ﬁles that have been marked for deletion.

Using the printer control panel

1 Turn

o

the printer.

2 Hold down 2 and 6 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 turned on, the touch screen displays a list of functions.

3 Tou ch 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.

4 Tou ch Ye s to proceed with disk wiping.

Securing the hard disk and other installed memory 224

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Lexmark X950DHE