Help with lpr(1) on SunOS 4.0 Needed

[dixon]

Arghhh!  We just (yes, just now) upgraded from SunOS 3.5 to 4.0, and our
printer broke (HP Rugged Writer).  It seems that the last buffer of data
is not being sent to the printer by Unix.  Included is our printcap.
Any suggestions?

#
# Printcap file for BBT, Inc. printer.
#
0|lp|lpr|hp|HP 2235A:\
	:lp=/dev/ttya:sd=/var/spool/lp:br#9600:\
	:ms=tabs,ixon,ixoff,ixany,-nl,oddp,-crtscts,-clocal,-noflsh,hupcl:\
	:tr=\f:of=/usr/lib/lpf:lf=/dev/null:hl: