Lexmark XM3100 manual Connection method is supported in your country or region

Additional printer setup 50

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		3	2	1
	Use the	To
1	Printer power cord	Connect the printer to a properly grounded electrical outlet.
	socket
2	Power switch	Turn the printer on or off.
3	Ethernet port	Connect the printer to an Ethernet network.
4	EXT port	Connect additional devices (telephone or answering machine) to the printer and the
		telephone line. Use this port if you do not have a dedicated fax line for the printer and if this
		connection method is supported in your country or region.
		Note: Remove the adapter plug to access the port.
5	LINE port	Connect the printer to an active telephone line through a standard wall jack (RJ‑11), DSL filter,
		or VoIP adapter, or any other adapter that allows you to access the telephone line to send
		and receive faxes.
6	USB port	Attach a supported printer keyboard.
7	USB printer port	Connect the printer to a computer.
8	Security slot	Attach a lock that will secure the printer in place.