Konica Minolta bizhub C250P Service Manual page 215

14. User Setting
(3) Overwrite All
1
• Overwrite All overwrites meaningless data to all areas, in which image data is stored,
thereby destroying the structure of the image data.
• Destroying the data structure prevents any data left in the areas from being leaked out
even when the HDD is stolen.
Function/Use • To delete the whole data in the hard disk by overwriting.
Use • To use when disposing of the Hard Disk.
• Select the overwriting method from Mode 1 through 8.
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Mode 8
Setting/ 1. Select the mode of overwriting method.
Procedure 2. Press the Menu/Setting key, and destroy.
3. Turn off the Main Power Switch and turn it on again more than 10 seconds after.
174
: It overwrites 0x00 once.
: Overwrites with random numbers → Overwrites with random numbers →
Overwrites with 0x00
: Overwrites with 0x00 → Overwrites with 0xff → Overwrites with random
numbers → Verifies
: Overwrites with random numbers → Overwrites with 0x00 → Overwrites
with 0xff
: Overwrites with 0x00 → Overwrites with 0xff → Overwrites with 0x00 →
Overwrites with 0xff
: Overwrites with 0x00 → Overwrites with 0xff → Overwrites with 0x00 →
Overwrites with 0xff → Overwrites with 0x00 → Overwrites with 0xff →
Overwrites with random numbers
: Overwrites with 0x00 → Overwrites with 0xff → Overwrites with 0x00 →
Overwrites with 0xff → Overwrites with 0x00 → Overwrites with 0xff →
Overwrites with 0xaa
: Overwrites with 0x00 → Overwrites with 0xff → Overwrites with 0x00 →
Overwrites with 0xff → Overwrites with 0x00 → Overwrites with 0xff →
Overwrites with 0xaa → Verifies
Field Service Ver. 2.0 Mar. 2006