Someone is telling you to use a non-standard FreeBSD extension. That's hogwash. I suggest you advice them that their FAQ has an error. That is not standard to any other system.
And even then, it is even more wrong. > I've since found a link under the Gimp-Print FAQ that talks about the > difficulty of printing to Epson Stylus printers in Free, Net and OpenBSD. > > http://gimp-print.sourceforge.net/p_FAQ_OS_X.php3#BSD > > The short of it is that the BSD driver resets the printer losing sync. The > fix is to use unlpt0 instead of ulpt0 and it tells how to create the device. > However the command > > mknod unlpt0 c 113 64 root wheel > > gives usage: mknod... What is the correct command and is there anything else > I would need to do after this to get CUPS to recognize the printer at that > device? > > Thanks.