Lexmark MS521DN User's Guide PDF

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Restoring factory default settings

1 From the control panel, navigate to:

> Settings > > Device > > Restore Factory Defaults

2 Select Restore all settings, and then press

3 Select Restore, press

, and then select Start.

Statement of Volatility

Type of memory Description

Volatile memory The printer uses standard random access memory (RAM)

to buer temporarily user data during simple print and

copy jobs.

Non-volatile memory The printer may use two forms of non-volatile memory:

EEPROM and NAND (ﬂash memory). Both types are used

to store the operating system, printer settings, network

information, scanner and bookmark settings, and

embedded solutions.

Hard disk memory Some printers may have a hard disk drive installed. The

printer hard disk is designed for printer-speciﬁc

functionality. The hard disk lets the printer retain

buered

user data from complex print jobs, form data, and font

data.

Erase the content of any installed printer memory in the following circumstances:

• The printer is decommissioned.

• The printer hard disk is replaced.

• The printer is moved to a dierent department or location.

• The printer is serviced by someone from outside your organization.

• The printer is removed from your premises for service.

• The printer is sold to another organization.

Disposing of a printer hard disk

• 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: To guarantee that all data are completely erased, destroy physically each hard disk where data is

stored.

Securing the printer 63

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Lexmark MS521DN