Press the [User Tools/Counter] key.
Press [Address Book Mangmnt].
Press [Change].
Select the item you want to display from [All Users], [User Code], [Fax Dest.], [Email] and [Folder].
Select the name whose protection code you want to register.
You can search by the registered name, user code, fax number, folder name, e-mail address, or IP-Fax destination.
Press [Protection].
Press [Use Name as], and then select [Destination] or [Sender].
Both [Destination] and [Sender] can be selected at the same time.
Press [OK].
Press [Protect Destination].
Press [Protection Object], and then select [Folder Destination] or [Sender].
Press [OK].
Press [Protection Code].
Enter a protection code using the number keys, and then press the [] key.
Press [OK].
Press [Exit] twice.
Press [OK].
Press the [User Tools/Counter] key.
Specify a protection code of up to eight digits. You can also specify "Protection" without specifying a protection code.
For details on how to access System Settings, see Accessing User Tools.