You can receive a fax stored on another fax machine by dialing the fax number. Use this feature to receive a document from a fax information service.
If the fax information service has an audio guidance feature that you need to follow to receive a document, you cannot use this feature.
To receive a document from a fax information service that uses audio guidance, just dial the fax number using the On Hook feature or the connected telephone, and operate the phone and the printer following the audio guidance.
Select Fax on the home screen.
Tap 
(More).
Select Extended Fax.
Tap the Polling Receive box to set this to On.
Tap Close, and then tap Close again.
Enter the fax number.
If you cannot manually enter a fax number, Direct Dialing Restrictions in Security Settings is set to On. Select fax recipients from the contacts list or the sent fax history.
Tap 
to start Polling Receive.