Xerox 4112 User Guide
Xerox 4112/4127 Copier/Printer System Administration Guide
8-64
8. Setups
Overwrite Hard Disk (optional)
KEY POINT:
This is an optional accessory and may be purchased
at an additional cost to the customer. For more information,
contact the Customer Support Center.
If this option is available on your machine, you can select whether
If this option is available on your machine, you can select whether
or not to perform a hard disk overwrite process. If this option is
on, you can select whether to overwrite one time or three times.
After deleting data from the hard disk, the area on the hard disk
After deleting data from the hard disk, the area on the hard disk
where the data was stored is overwritten. This prevents
unauthorized retrieval or restoration of the previously recorded
data. This applies to files and other information stored temporarily
by the system.
KEY POINT 1:
A service representative can block changes to the
settings of this feature. For more information, refer to
Service
Representative Operation Limit
KEY POINT 2:
If the machine is powered off during the
overwriting process, some files may remain on the hard disk.
NOTE 1: The data on the hard disk is erased by overwriting it one
time. However, overwriting the data three times ensures that the
data cannot be recovered. The three times overwrite process
does take a longer amount of time to perform than the one time
overwrite process.
time. However, overwriting the data three times ensures that the
data cannot be recovered. The three times overwrite process
does take a longer amount of time to perform than the one time
overwrite process.
NOTE 2: During the overwriting process, normal operations may
run slower than normally.
run slower than normally.
For information about how to check the status during the
overwriting process, refer to the section entitled "Overwriting the
Hard Disk" in Chapter 10 of the User Guide.
overwriting process, refer to the section entitled "Overwriting the
Hard Disk" in Chapter 10 of the User Guide.
Data Encryption
KEY POINT:
This is an optional accessory and may be purchased
at an additional cost to the customer. For more information,
contact the Customer Support Center.
If you want the recorded data on the hard disk encrypted, select
If you want the recorded data on the hard disk encrypted, select
On
as the default setting for this feature. By switching on the data
encryption, all data written to the hard disk is automatically
encrypted. Encryption prevents unauthorized access to the stored
data. When encryption is on, an encryption key must be set.