Oki MC363dn - Manual (Page 49)

Configuring the Scan to Computer and Remote Scan > 49
> Method to delete network-connected PCs of the machine
If you registered several network-connected PCs in the machine, you can delete
them.
Select Properties from the Scanner menu and select Unregister tab. The
registered information is displayed. Select the registered information to be deleted
from the machine, and click Unregister button.