6 Control Panel Settings6-18 im7520/im6020Control Panel Settings Chapter 6To overwrite all dataThe 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 DescriptionMode 1 Overwritten with 0x00Mode 2 Overwritten with random 1-byte numbers → Overwritten with random 1-bytenumbers → Overwritten with 0x00Mode 3 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with random 1-byte numbers → VerifiedMode 4 Overwritten with random 1-byte numbers → Overwritten with 0x00 → Over-written with 0xffMode 5 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 →Overwritten with 0xffMode 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 dataMode 7 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 →Overwritten with 0xff → Overwritten with 0x00 → Overwritten with 0xff →Overwritten with 0xaaMode 8 Overwritten with 0x00 → Overwritten with 0xff → Overwritten with 0x00 →Overwritten with 0xff → Overwritten with 0x00 → Overwritten with 0xff →Overwritten with 0xaa → Verified
