Konica Minolta bizhub 751 - Manual (Page 18)

Setting the Overwrite All Data function
1
Enter the Administrator Mode on the MFP display, Utility button > Administrator Settings > Input
Admin Password > Security Settings > HDD Settings > HDD Settings.
2
Touch [Overwrite All Data].
3
Select the desired mode and touch [Delete].
4
A confirmation message appears. Select [Yes] and touch [OK].