Edimax Technology Edimax PS-3103P - Manual (Page 76)

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6.6 Print a Test Page
To print to the print server, you can use the lpr command:
lpr -Pprinter-name file ...
or, you can use the lp command on SCO Open Server:
lp –d printer-name file ...
Where printer-name is one of the names for the printer in
the /etc/printcap file, which you created in the previous
step.
Consult your system documentation for more information
about printer configuration and administration and about
lpr and other printing commands.