Edit /opt/ltsp/i386/usr/share/ltsp/init-ltsp.d/50-jetpipe
Change: /usr/sbin/jetpipe ${JETPIPE_ARGS} ${PRINTER_DEVICE} ${PORT} to /usr/sbin/jetpipe ${JETPIPE_ARGS} ${PRINTER_DEVICE} ${PORT} &
(ie put an & at the end of the line)
That fixes it for me.
Edit /opt/ltsp/ i386/usr/ share/ltsp/ init-ltsp. d/50-jetpipe
Change:
/usr/sbin/jetpipe ${JETPIPE_ARGS} ${PRINTER_DEVICE} ${PORT}
to
/usr/sbin/jetpipe ${JETPIPE_ARGS} ${PRINTER_DEVICE} ${PORT} &
(ie put an & at the end of the line)
That fixes it for me.