Please correct path to manuals in lpr-0.50-8mdk %post script
replace /usr/man to /usr/share/man:
# Set up update-alternatives entries
/usr/sbin/update-alternatives --install /usr/bin/lpr lpr /usr/bin/lpr-lpd 5 \
--slave /usr/share/man/man1/lpr.1.bz2 lpr.1.bz2 /usr/man/man1/lpr-lpd.1.bz2
/usr/sbin/update-alternatives --install /usr/bin/lpq lpq /usr/bin/lpq-lpd 5 \
--slave /usr/share/man/man1/lpq.1.bz2 lpq.1.bz2 /usr/man/man1/lpq-lpd.1.bz2
/usr/sbin/update-alternatives --install /usr/bin/lprm lprm /usr/bin/lprm-lpd 5 \
--slave /usr/share/man/man1/lprm.1.bz2 lprm.1.bz2 /usr/man/man1/lprm-lpd.1.bz2
/usr/sbin/update-alternatives --install /usr/sbin/lpc lpc /usr/sbin/lpc-lpd 5 \
--slave /usr/share/man/man8/lpc.8.bz2 lpc.1.bz2 /usr/man/man8/lpc-lpd.8.bz2
