The procedure is the same for programming and changing.
Press [Facsimile Features].
Press [Initial Settings].
Press [Program Fax Information].
To register a fax header, check that the [Fax Header] tab is selected, and then register a fax header.
Press the fax header you want to register, enter a fax header including your name and fax number, and then press [OK].
To register your name, select the [Own Name] tab, and then register your name.
Press [Own Name], enter your name, and then press [OK].
To register your fax number, select the [Own Fax Number] tab, and then register your fax number.
Press [For G3-1]. Enter your fax number using the number keys. Press [], and then press [OK].
To enter a + sign or a space, press [] or [Space].
Press [Exit] twice.