Lexmark 7300 Series User Manual page 19

Use the
EXT port
1
2 Power supply port
3 Rear access door
USB port
4
LINE port
5
5
4
3
19
1
2
To
Connect additional devices, such as a data/fax
modem, telephone, or answering machine to the
printer.
Note: Remove the plug to access the port.
Connect the printer to a power source.
Remove paper jams.
Connect the printer to a computer using a USB cable.
Connect the printer to an active telephone line to send
and receive faxes. The printer must be connected to
this telephone line to receive incoming fax calls.
Note: Do not connect additional devices to the LINE
port, and do not connect a DSL (digital subscriber
line), ISDN (integrated services digital network), or
cable modem to the printer.