Ricoh D146 Service Manual page 228

6. Select the method of overwriting.
·
If you select [NSA] or [DoD], proceed to Step 9.
·
If you select [Random Numbers], proceed to Step 7.
7. Press [Change].
8. Enter the number of times that you want to overwrite using the ten keys, and then press [#].
NOTE: The Random Numbers method overwrites the data using random numbers. You can
set the overwrite to be performed anywhere from 1-9 times, with a default of 3 times.
9. Press [OK].
10. Make sure that the Data Overwrite icon is displayed in the bottom right hand corner of the
screen.
SM
Data Overwrite Security Unit Type H (D377)/ I (D362)
2-157 D146/D147/D148/D149/D150