It can be simply done by:
$ cat <filename> > /dev/lpt1But it doesn't support more than one task and user at a time. So? Here are the commands you might want to know:
$ lp [options] <files>Options:
-c send a copy of a file-d<target> select a specific printer-m notify the user via e-mail when it's done-h<x> input the number of copies-r remove the file after the beginning of the process-t<title> print the title on the first page-w same as -m, but notify via a current terminal$ pr [options] <file>Options:
-f new page mark input-h printing header-l<n> lines per page-n number of columns-w<n> number of columns$ nl [options] <file>Options:
-b<type> line selection (-ba refers to all lines, -bn refers to none, -bpre refers to lines with a specific phrase only, -bt refers to text-lines only)-i<n> numbering incrementation by n-n<format> numbering format (-nln to the left, -nrn to the right, -nrz to the right with zero on the beginning of the line, etc.)-v<n> first page number$ lpstat [options] <task_id>Options:
-d shows the printer name and id-s shows a printing summary-t shows all available information$ cancel <task_id> <printer>