Samsung SCX-4720FN - Manual (Page 38)

2
G ETTING S TARTED 2.11
Making Connections
1 Plug one end of the supplied telephone line cord into the
LINE jack on the machine and the other end into the wall
jack.
If you want to use your machine to receive both faxes and
voice calls, you will need to connect a telephone and/or
answering machine to your machine.
Plug your extension phone or answering machine card into
the EXT jack, as shown below.
To the wall jack
To an extension phone or
answering machine