Disposing of a hard disk
Note: Some printer models may not have a hard disk installed.
High‑security environments may require additional steps to ensure that confidential data on the printer or hard disk
cannot be accessed when either is removed from premises.
• Degaussing—Flushes the hard drive 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 to guarantee that all data is completely erased, physically destroy
each hard disk where data is stored.
Erasing volatile memory
The volatile memory (RAM) installed on your printer requires a power source to retain information. To erase the
buffered data, simply turn off the device.
Erasing non‑volatile memory
There are several methods for erasing data stored in non‑volatile memory, depending on the type of memory device
installed and the type of data stored.
• Individual settings—Erase individual printer settings using the control panel or the Embedded Web Server. For
more information, see the printer User’s Guide.
• Device and network settings—Erase device and network settings, and restore factory defaults by resetting the
NVRAM from the configuration menu. You can also use the Restore Factory Defaults setting from the Embedded
Web Server.
• Security settings—Restore factory defaults or erase security settings by selecting an action for the Security Reset
Jumper setting in the Embedded Web Server. Then move the hardware jumper on the controller board.
• Fax data—If no hard disk is installed, or fax storage uses NAND, then erase fax settings and data by resetting the
NVRAM from the configuration menu. You can also use the Restore Factory Defaults setting from the Embedded
Web Server.
Note: If your printer has a hard disk that has been partitioned for fax storage, then reformat that partition to
erase fax data and settings.
• Embedded solutions—Erase information and settings associated with embedded solutions by uninstalling the
solution, or by restoring factory defaults from the configuration menu. You can also use the Restore Factory Defaults
setting from the Embedded Web Server.
Securing data 51
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