Following describes the procedure for using a fax number as the sender (sending number).
Press [Details].
Select [Auth. Protect] using [] or [], and then press the [OK] key.
Select [Register as] using [] or [], and then press the [OK] key.
Select [Sender Only] using [] or [], and then press the [OK] key.
Press the [Escape] key.
Press [End].
Press the [OK] key.