Konica Minolta bizhub C250 - Manual (Page 144)

Control Panel Settings 6
C250 6-19
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To overwrite all data
The machine can be set to overwrite all data on the hard disk.
With this procedure, all information on this machine is erased.
Before performing this operation, be sure to consult with your service repre-
sentative.
The methods for overwriting data are described below.
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 → Over-
written 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 512 bytes of the specified data
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