8. The encryption key is printed.
2.9.4 DATA OVERWRITE SECURITY
1. Do the following procedure if a customer wants to use this function.
2. Do SP5-878-1(Option Setup - Data Overwrite Security) and touch [EXECUTE].
3. Go out of the SP mode, turn off the operation switch, then turn off the main power switch.
4. Turn the machine power on.
5. Press [User Tools] and select System Setting > Administrator Tools > Auto Erase Memory
Setting > On
6. Exit from User Tools mode.
7. Check the display and make sure that the overwrite erase icon [A] is displayed.
8. Make a Sample Copy.
9. Check the overwrite erase icon.
10. The icon [B] changes to [C] when job data is stored in the hard disk.
11. The icon goes back to its usual shape [B] after this function has completed a data overwrite
operation to the hard disk.
12. Do SP5990-005 (SP print mode - Diagnostic Report).
13. Look at the report:
14. Under "[ROM No./Firmware Version]" check the number and version number listed for "HDD
Format Option".
15. Under "[Loading Program]" check the option number and version number listed for
"GW_zoffy".
16. These two version numbers should be identical.
17. Exit SP mode.