Lexmark MS911DE User's Guide PDF Lexmark MS911

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In high‑security environments, it may be necessary to take additional steps to make sure that conﬁdential data

stored in the printer hard disk cannot be accessed when the printer—or its hard disk—is removed from your

premises.

• Degaussing—Flushes the hard disk with a magnetic ﬁeld that erases stored data

• Crushing—Physically compresses the hard disk to break component parts and render them unreadable

• Milling—Physically shreds the hard disk into small metal bits

Note: Most data can be erased electronically, but the only way to guarantee that all data is completely

erased is to physically destroy each hard disk where data is stored.

Erasing volatile memory

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

buered data, simply turn o the printer.

Erasing non‑volatile memory

Erase individual settings, device and network settings, security settings, and embedded solutions by following

these steps:

1 Turn o the printer.

2 From the control panel, hold down 2 and 6 while turning the printer on. Release the buttons when the screen

with the progress bar appears.

3 From the Conﬁguration menu, navigate to:

Restore Factory Defaults > Erase Printer Memory > Ye s

The printer restarts several times during this process.

4 Tou ch Back, and then exit the Conﬁguration menu.

Note: The printer performs a power‑on reset, and then returns to normal operating mode.

Erasing printer hard disk memory

1 Turn o the printer.

2 From the control panel, hold down 2 and 6 while turning the printer on. Release the buttons when the screen

with the progress bar appears.

3 From the Conﬁguration menu, navigate to:

Restore Factory Defaults > Erase Hard Disk > select the method to erase the hard disk memory > Ye s

Note: This process can take from several minutes to more than an hour, during which the printer is

unavailable for other user tasks.

4 Tou ch Back, and then exit the

Conﬁguration

menu.

Note: The printer performs a power‑on reset, and then returns to normal operating mode.

Securing the printer 128

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Lexmark MS911DE