The fax machine is set to dial out, by the default, using touch tone dialing. If the telephone line is set for rotary pulse, the fax will not dial out. Change the telephone line type on the operator panel as follows.
Make sure that the machine is turned on
Press the Setup button.
Select Device settings, then press the OK button.
The Device settings screen is displayed.
Press the or button to select FAX settings, then press the OK button.
Press the or button to select FAX User settings, then press the OK button.
Use the or button to select Telephone line type, then press the OK button.
Use the or button to select Rotary pulse or Touch tone, then press the OK button.