Use this procedure to set tone-dialing or pulse-dialing mode. The factory-set default is Tone. Do not change the setting unless you know that your phone line cannot use tone dialing.
Note
The pulse-dialing option is not available in all countries/regions.
To set the dial type
From the Home screen on the printer display, press the Up and Down buttons to select Fax, and then press OK.
Select Settings, and then select Advanced Settings.
Select Dial Type, select Tone Dialing or Pulse Dialing, and then press OK.