Konica Minolta bizhub C650 - Manual (Page 262)

C650 7-32
Specifying Utility mode parameters 7
7
Follow the instructions in the screen to restart the machine.
8
If an error message appears, indicating that the encryption key does not match, the Administrator
Settings screen appears. In this screen, touch [Format HDD].
– To cancel changes to the settings, touch the menu item name in the Bookmark screen to return to
the selected screen without applying the changes to the settings.
– To finish specifying settings in the Utility mode, press the [Utility/Counter] key. Otherwise, exit the
Utility mode by touching [Close] in each screen until the screen for the Copy, Fax/Scan or User Box
mode appears.
2
Reminder
When the machine is turned off, then on again with the main power switch, wait at least 10 seconds to
turn on the machine after turning it off; otherwise, the machine may not function correctly.
In order to enable the setting specified in the Overwrite Temporary Data screen, "Overwrite Temporary
Data" must be set to "Yes".
Overwrite All Data
The machine can be set to overwrite all data on the hard disk.
The methods for overwriting data are described below.
2
Reminder
Perform this operation before disposing of the machine. Before performing this operation, be sure to
consult with your service representative.
Setting Description
Mode 1 Overwritten with 0x00
Mode 2 Overwritten with random 1-byte numbers → Overwritten with random 1-byte numbers
→ Overwritten with 0x00
Mode 3 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with random 1-byte
numbers → Verified
Mode 4 Overwritten with random 1-byte numbers → Overwritten with 0x00 → Overwritten with
0xff
Mode 5 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 → Overwritten
with 0xff
Mode 6 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 → Overwritten
with 0xff → Overwritten with 0x00 → Overwritten with 0xff → Overwritten with random
number
Mode 7 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 → Overwritten
with 0xff → Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0xaa
Mode 8 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 → Overwritten
with 0xff → Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0xaa →
Verified