Lexmark XM1140 User Manual page 97

Faxing
If the wall jack or equipment in your facility is not compatible with this type of connection, then you need to use
a telephone adapter. An adapter for your country or region may not come with your printer, and you may need
to purchase it separately.
There may be an adapter plug installed in the
facility that has a cascaded or serial wiring scheme, then do not remove the adapter plug from the
the printer.
Part name
Lexmark adapter plug
port of the printer. If you are using a telephone adapter or a
Part number
40X8519
97
port of