cups command line printing and options
From thelinuxwiki
List available printers
lpstat -p -d
print from command line
example:
lp -d HP_p1006 filename.pdf
or from standard input
echo "test" | lp -d HP_p1006
manully adding a remote cups que (printer) existing on another computer
lpadmin -p printer_name -E -v ipp://server_name_or_ip/printers/printer_share_name