SLES 9 XINET.D\cups-lpd:

service printer
{
        socket_type     = stream
        protocol        = tcp
        wait            = no
        user            = lp
        server          = /usr/lib/cups/daemon/cups-lpd
        server_args     = cups-lpd -o document-format=application/octet-stream
        flags       = NAMEINARGS
}
---------------------------------------------------------------------------------------
SLES 9 $xinetd -d:

Service configuration: printer
        id = printer
        flags = NAMEINARGS IPv4
        socket_type = stream
        Protocol (name,number) = (tcp,6)
        port = 515
        wait = no
        user = 4
        Groups = no
        PER_SOURCE = -1
        Bind = All addresses.
        Server = /usr/lib/cups/daemon/cups-lpd
        Server argv = cups-lpd -o document-format=application/octet-stream
        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

---------------------------------------------------------------------------------------
Ubuntu Server 12.04 i386 xinetd/cups-lpd:

service printer
{
        socket_type     = stream
        protocol        = tcp
        wait            = no
        user            = lp
        server          = /usr/lib/cups/daemon/cups-lpd
        server_args     = cups-lpd -o document-format=application/octet-stream
        flags           = NAMEINARGS
        log_type = FILE /var/log/cups/cups-lpd.log
}

---------------------------------------------------------------------------------------
Ubuntu Server 12.04 i386 $xinetd -d:

Service configuration: printer
        id = printer
        flags = NAMEINARGS IPv4
        socket_type = stream
        Protocol (name,number) = (tcp,6)
        port = 515
        wait = no
        user = 7
        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 file: /var/log/cups/cups-lpd.log (no limits)
        Log_on_success flags = HOST DURATION EXIT
        Log_on_failure flags = HOST ATTEMPT