HP DesignJet T795 Using your printer - Page 134

Uninstallation, Select Secure Disk Erase Level or Cancel to abort.

Page 134 highlights

7. The front panel displays Select Secure Disk Erase Level or Cancel to abort. 8. Choose the SDE level to be applied to the internal hard disk. Secure Disk Erase provides three different levels of security: ● Insecure Mode or Non-Secure Fast Erase: 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. ● 1-Pass Mode or Level 1: All pointers to the information are erased, and the information itself is also overwritten with a fixed character pattern. This method is slower than Insecure Mode/Non-Secure Fast Erase, but more secure. It may still be possible to access fragments of the erased information by using special tools to detect residual magnetic traces. ● 5-Pass Mode or Level 5: 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; it 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 Disk Erase. If you choose this level, the process can take up to six hours. 9. The front panel displays Press OK to continue with the external hard disk installation or Cancel to abort. The printer will restart during the process. 10. Press OK. 11. The front panel displays External hard disk installation in progress. Please do not remove the USB disk. This process will take a few minutes and will reboot the printer. 12. The printer restarts. 13. The front panel displays a message in English, but you should wait until it displays Ready. If you connected the USB cable to the printer without using the front panel first, please follow these steps: 1. The front panel displays External hard disk detected. Press OK to continue with External Hard Disk Installation or Cancel to abort. 2. Press OK. 3. Go to step 7 above. Uninstallation 1. Ensure that the printer is turned on. 2. At the front panel, press , then , then Setup > External hard disk > Uninstall external hard disk. 3. Choose the Secure Disk Erase (SDE) level for the external hard disk. 4. The front panel displays External hard disk: Press OK to continue with External Hard Disk uninstallation or Cancel to abort. The printer will restart. 5. Press OK. 6. The front panel displays External hard disk: Remove External Hard Disk. 7. Remove the external hard disk. 8. The printer restarts. 126 Chapter 15 Accessories ENWW

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7.
The front panel displays
Select Secure Disk Erase Level or Cancel to abort.
8.
Choose the SDE level to be applied to the internal hard disk.
Secure Disk Erase provides three
different
levels of security:
Insecure Mode
or
Non-Secure Fast Erase:
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.
1-Pass Mode
or
Level 1:
All pointers to the information are erased, and the information itself is also
overwritten with a
fixed
character pattern. This method is slower than Insecure Mode/Non-Secure
Fast Erase, but more secure. It may still be possible to access fragments of the erased information by
using special tools to detect residual magnetic traces.
5-Pass Mode
or
Level 5:
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; it 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 Disk Erase. If you choose this level, the process can take up to six hours.
9.
The front panel displays
Press OK to continue with the external hard disk installation or Cancel to abort. The
printer will restart during the process.
10.
Press
OK
.
11.
The front panel displays
External hard disk installation in progress. Please do not remove the USB disk. This
process will take a few minutes and will reboot the printer.
12.
The printer restarts.
13.
The front panel displays a message in English, but you should wait until it displays
Ready
.
If you connected the USB cable to the printer without using the front panel
first,
please follow these steps:
1.
The front panel displays
External hard disk detected. Press OK to continue with External Hard Disk
Installation or Cancel to abort.
2.
Press
OK
.
3.
Go to step
7
above.
Uninstallation
1.
Ensure that the printer is turned on.
2.
At the front panel, press
, then
, then
Setup
>
External hard disk
>
Uninstall external hard disk
.
3.
Choose the Secure Disk Erase (SDE) level for the external hard disk.
4.
The front panel displays
External hard disk: Press OK to continue with External Hard Disk uninstallation or
Cancel to abort. The printer will restart.
5.
Press
OK
.
6.
The front panel displays
External hard disk: Remove External Hard Disk.
7.
Remove the external hard disk.
8.
The printer restarts.
126
Chapter 15
Accessories
ENWW