Lexmark 28ET550 User Manual
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Use the
To
1
USB wireless port
Attach an optional wireless network adapter.
2
Security lock port
Lock the controller board.
3
Printer power cord
socket
socket
Connect the printer to a properly grounded electrical outlet.
4
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.
to send and receive faxes.
5
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.
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.
6
Rear USB port
Attach a keyboard.
7
USB printer port
Connect the printer to a computer using a USB cable.
8
Ethernet port
Connect the printer to an Ethernet network.
Additional printer setup
37