Your original patch solved one problem and so the fax tool got working in Hardy. Unfortunately, in Gutsy another bug, this time in the fax tool itself occured. See
https://bugs.edge.launchpad.net/ubuntu/+source/hplip/+bug/153152/comments/22
So for Gutsy we still need a fix to get faxing to work.
Your original patch solved one problem and so the fax tool got working in Hardy. Unfortunately, in Gutsy another bug, this time in the fax tool itself occured. See
https:/ /bugs.edge. launchpad. net/ubuntu/ +source/ hplip/+ bug/153152/ comments/ 22
So for Gutsy we still need a fix to get faxing to work.