root@printnix:/etc/xinetd.d# cat cups-lpd
service printer
{
        socket_type     = stream
        protocol        = tcp
        wait            = no
        user            = root
        server          = /usr/lib/cups/daemon/cups-lpd
        server_args     = cups-lpd -o document-format=application/octet-stream
        flags           = NAMEINARGS
}

root@printnix:/etc/xinetd.d# xinetd -d
13/8/15@10:32:10: DEBUG: 2220 {handle_includedir} Reading included configuration file: /etc/xinetd.d/chargen [file=/etc/xinetd.conf] [line=20]
13/8/15@10:32:10: DEBUG: 2220 {handle_includedir} Reading included configuration file: /etc/xinetd.d/cups-lpd [file=/etc/xinetd.d/cups-lpd] [line=28]
13/8/15@10:32:10: DEBUG: 2220 {handle_includedir} Reading included configuration file: /etc/xinetd.d/daytime [file=/etc/xinetd.d/daytime] [line=10]
13/8/15@10:32:10: DEBUG: 2220 {handle_includedir} Reading included configuration file: /etc/xinetd.d/discard [file=/etc/xinetd.d/discard] [line=26]
13/8/15@10:32:10: DEBUG: 2220 {handle_includedir} Reading included configuration file: /etc/xinetd.d/echo [file=/etc/xinetd.d/echo] [line=25]
13/8/15@10:32:10: DEBUG: 2220 {handle_includedir} Reading included configuration file: /etc/xinetd.d/time [file=/etc/xinetd.d/time] [line=26]
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing chargen
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing chargen
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing daytime
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing daytime
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing discard
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing discard
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing echo
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing echo
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing time
13/8/15@10:32:10: DEBUG: 2220 {remove_disabled_services} removing time
Service defaults
        Instances = 30
        CPS = max conn:50 wait:10
        Bind = All addresses.
        Only from: All sites
        No access: No blocked sites
        Logging to file: /var/log/xinetd.log (no limits)
        Log_on_success flags = HOST DURATION EXIT
        Log_on_failure flags = HOST ATTEMPT

Service configuration: printer
        id = printer
        flags = NAMEINARGS IPv4
        socket_type = stream
        Protocol (name,number) = (tcp,6)
        port = 515
        wait = no
        user = 0
        Groups = no
        PER_SOURCE = -1
        Bind = All addresses.
        Server = /usr/lib/cups/daemon/cups-lpd
        Server argv =
        Only from: All sites
        No access: No blocked sites
        Logging to common log file
        Log_on_success flags = HOST DURATION EXIT
        Log_on_failure flags = HOST ATTEMPT

13/8/15@10:32:10: ERROR: 2220 {activate_normal} bind failed (Address already in use (errno = 98)). service = printer
13/8/15@10:32:10: ERROR: 2220 {cnf_start_services} Service printer failed to start and is deactivated.
13/8/15@10:32:10: DEBUG: 2220 {cnf_start_services} mask_max = 0, services_started = 0
13/8/15@10:32:10: CRITICAL: 2220 {init_services} no services. Exiting...