Konica Minolta bizhub C650 Service Manual page 478

Field Service Ver. 8.0 Jun. 2008
(3) Overwrite All Data
Functions • To delete the whole data in the hard disk by overwriting.
• To initialize the area of use for the user stored in NVRAM.
Use • To use when disposing of the hard disk.
• Select the overwriting method from Mode 1 through 8.
Mode 1 : It overwrites 0x00 once.
Mode 2 : Overwrites with random numbers → overwrites with random numbers →
Mode 3 : Overwrites with 0x00 → overwrites with 0xff → overwrites with random
Mode 4 : Overwrites with random numbers → overwrites with 0x00 → overwrites
Mode 5 : Overwrites with 0x00 → overwrites with 0xff → overwrites with 0x00 →
Mode 6 : Overwrites with 0x00 → overwrites with 0xff → overwrites with 0x00 →
Mode 7 : Overwrites with 0x00 → overwrites with 0xff → overwrites with 0x00 →
Mode 8 : Overwrites with 0x00 → overwrites with 0xff → overwrites with 0x00 →
Setting/ 1. Touch [Overwrite All Data].
Procedure 2. Touch [Overwrite].
3. Touch [Yes] on the check screen.
4. Touch [YES] on the confirmation screen.
5. Turn off the main power switch and turn it on again more than 10 seconds after.
(4) HDD Lock Password
Functions • To set the lock password for the hard disk.
Use • To enter, change or delete the lock password for the hard disk.
Setting/ 1. Touch [HDD Lock Password].
Procedure 2. Enter the password (20 characters) on the on-screen keyboard, and touch [OK].
NOTE
• Password using only a single letter is not acceptable.
• Don't forget the password. When the password is forgotten, the replacement of
hard disk is needed.
3. Re-enter the password to confirm.
4. Turn OFF the main power switch and turn it ON again more than 10 seconds after.
overwrites with 0x00
numbers → verifies
with 0xff
overwrites with 0xff
overwrites with 0xff → overwrites with 0x00 → overwrites with 0xff →
overwrites with random numbers
overwrites with 0xff → overwrites with 0x00 → overwrites with 0xff →
overwrites with 0xaa
overwrites with 0xff → overwrites with 0x00 → overwrites with 0xff →
overwrites with 0xaa → verifies
8. Utility Mode
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