HP PageWide XL 5000 User Guide - Page 170

Secure File Erase, Disk Wipe, Secure File Erase provides three

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Secure File Erase The printer's hard disk is used as a temporary storage area for print jobs. Secure File Erase can erase your temporary files from the hard disk to protect them from unauthorized access. It begins to do so as soon as you turn it on, but old temporary files that were already on the hard disk are not erased retroactively. If you want to erase the old files too, see Disk Wipe on page 164. Secure File Erase provides three different levels of security: ● Non-Secure: all pointers to the information are erased. The information itself remains on the hard disk until the disk space it occupies is needed for other purposes, and it is then overwritten. While it remains on the disk, it is difficult for most people to access, but may be accessed using software designed for the purpose. This is the normal method in which files are erased on most computer systems; it is the fastest method but the least secure. ● Secure Fast Erase (1 pass): all pointers to the information are erased, and the information itself is also overwritten with a fixed character pattern. This method is slower than Non-Secure, but more secure. It may still be possible to access fragments of the erased information by using special tools to detect residual magnetic traces. ● Secure Sanitizing Erase (5 passes): all pointers to the information are erased, and the information itself is repetitively overwritten using an algorithm designed to eliminate any residual traces. This is the slowest method, but the most secure. Secure Sanitizing Erase meets the US Department of Defense 5220-22.m requirements for clearing and sanitization of disk media. This is the default security level when using Secure File Erase. While files are being erased, the printer's performance may be affected. Secure File Erase is one of the facilities provided by Web JetAdmin, which is HP's free Web-based print management software: see http://www.hp.com/go/webjetadmin. If you have difficulty in using Secure File Erase from Web JetAdmin, contact your support representative: see When you need help on page 167. The Secure File Erase configuration can be changed from Web JetAdmin or the Embedded Web Server (Setup > Security). Disk Wipe Disk Wipe is the same as Secure File Erase (see Secure File Erase on page 164), except that it erases all temporary files, including old ones. The Disk Wipe configuration can be changed from Web JetAdmin or the Embedded Web Server (Setup > Security). NOTE: If you choose to erase the whole hard disk, you may be asked to restart the printer several times during the process, which will take about 6 hours with Secure Fast Erase or 24 hours with Secure Sanitizing Erase. 164 Chapter 10 Maintenance ENWW

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Secure File Erase
The printer's hard disk is used as a temporary storage area for print jobs. Secure File Erase can erase your
temporary
files
from the hard disk to protect them from unauthorized access. It begins to do so as soon as you
turn it on, but old temporary
files
that were already on the hard disk are not erased retroactively. If you want to
erase the old
files
too, see
Disk Wipe
on page
164
.
Secure File Erase provides three
different
levels of security:
●
Non-Secure:
all pointers to the information are erased. The information itself remains on the hard disk until
the disk space it occupies is needed for other purposes, and it is then overwritten. While it remains on the
disk, it is
difficult
for most people to access, but may be accessed using software designed for the purpose.
This is the normal method in which
files
are erased on most computer systems; it is the fastest method but
the least secure.
●
Secure Fast Erase (1 pass):
all pointers to the information are erased, and the information itself is also
overwritten with a
fixed
character pattern. This method is slower than Non-Secure, but more secure. It may
still be possible to access fragments of the erased information by using special tools to detect residual
magnetic traces.
●
Secure Sanitizing Erase (5 passes):
all pointers to the information are erased, and the information itself is
repetitively overwritten using an algorithm designed to eliminate any residual traces. This is the slowest
method, but the most secure. Secure Sanitizing Erase meets the US Department of Defense 5220-22.m
requirements for clearing and sanitization of disk media. This is the default security level when using
Secure File Erase.
While
files
are being erased, the printer's performance may be
affected.
Secure File Erase is one of the facilities provided by Web JetAdmin, which is HP's free Web-based print
management software: see
go/webjetadmin
.
If you have
difficulty
in using Secure File Erase from Web JetAdmin, contact your support representative: see
When you need help
on page
167
.
The Secure File Erase
configuration
can be changed from Web JetAdmin or the Embedded Web Server (
Setup
>
Security
).
Disk Wipe
Disk Wipe is the same as Secure File Erase (see
Secure File Erase
on page
164
), except that it erases all
temporary
files,
including old ones.
The Disk Wipe
configuration
can be changed from Web JetAdmin or the Embedded Web Server (
Setup
>
Security
).
NOTE:
If you choose to erase the whole hard disk, you may be asked to restart the printer several times during
the process, which will take about 6 hours with Secure Fast Erase or 24 hours with Secure Sanitizing Erase.
164
Chapter 10
Maintenance
ENWW