[sane-devel] Brother DCP8155-DN scanner not working on 64-bit Ubuntu 14.04

[Linda R]

Hello,

I posted a bug about a non-working scanner:

https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1380414

similar to this bug which shows other people having a similar issue:

https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1312594

on variants of scanner hardware.

Some people found that upgrading to Ubuntu 14.04 made their scanner stop
working.

Mine still works on a Debian 32-bit machine, but not Ubuntu 14.04 64-bit.
It is a Brother DCP-8155DN.

I would like to help to debug this and I have some fundamental questions,
hopefully simple, if anyone would be kind enough to answer.

How can I figure out whether it is a sane problem or a Brother proprietary
driver problem?

Is it better to report bugs here

http://www.sane-project.org/bugs.html

or here

https://bugs.launchpad.net/ubuntu/+source/sane-backends ?

(I think the second one is where my "ubuntu-bug" from the command line
went.)

What is the package name of the sane frontend and sane backend?

Here is my dpkg list.  I am trying to find out what version of the sane
backend and sane frontend I have.

libsane:amd64     1.0.23-3ubuntu3.1  amd64    API library for scanners
libsane-common    1.0.23-3ubuntu3.1  amd64    API library for scanners --
documentation and support files
libsane-hpaio     3.14.3-0ubuntu3.2  amd64    HP SANE backend for
multi-function peripherals
libsane-perl      0.05-2build1       amd64    Perl bindings for the SANE
Project
sane              1.0.14-9           amd64    scanner graphical frontends
sane-utils        1.0.23-3ubuntu3.1  amd64    API library for scanners --
utilities

Thank you.
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