If you can not seem to get any of the CUPS clients to print to your CUPS server, you may have forgot to install cups-lpd. yum install cups-lpd You may have also forgot to configure t: -----> EL6: Edit /etc/xinetd.d/cups-lpd and change "disabled" to "no": # default: off # description: Allow applications using the legacy lpd protocol to communicate with CUPS service printer { disable = no socket_type = stream protocol = tcp wait = no user = lp server = /usr/lib/cups/daemon/cups-lpd } Get xinetd's PID: ps ax | grep -i xinetd if not running, start xinetd: /etc/rc.d/init.d/xinetd start if running, do a kill with a SIGHUP on xinetd to reread this file: kill -SIGHUP pid_xinetd -----> EL7: Xinetd: if you installed it just for cups-lpr, then remove it: # rpm -e xinetd Otherwise, if you need xinetd, remove /etc/xinetd.d/cups-lpd and restart xinetd with # service start xinetd # systemctl enable cups-lpd.socket # systemctl start cups-lpd.socket