Lexmark 436 - Manual (Page 87)

There is a plug installed in the printer EXT port . This plug is necessary for the proper functioning of the adapter.
Note: Do not remove the plug if you have a serial phone system or wish to connect a phone or answering machine to
the adapter. If you remove it, then other telecommunications devices in your home (such as telephones or
answering machines) may not work.
1 Connect one end of the telephone cable that came with the printer to the printer LINE port .
2 Connect the other end of the telephone cable to the adapter, and then connect the adapter to the active telephone
wall jack.
Note: Your telephone adapter may look different than the one shown. It will fit the wall jack used in your
location.
Faxing 87