This bug was fixed in the package hplip - 3.12.6-3ubuntu4
--------------- hplip (3.12.6-3ubuntu4) quantal-proposed; urgency=low
* debian/patches/hplip-release-parport.patch: libsane-hpaio does not close /dev/parport* after checking for a scanner (LP: #1065582, Red Hat bug #1065582). -- Till Kamppeter <email address hidden> Thu, 11 Oct 2012 21:40:00 +0200
This bug was fixed in the package hplip - 3.12.6-3ubuntu4
---------------
hplip (3.12.6-3ubuntu4) quantal-proposed; urgency=low
* debian/ patches/ hplip-release- parport. patch: libsane-hpaio does not close
/dev/parport* after checking for a scanner (LP: #1065582, Red Hat bug
#1065582).
-- Till Kamppeter <email address hidden> Thu, 11 Oct 2012 21:40:00 +0200