The annoyance with Brother .deb files for scanner drivers installing in
/usr/lib64/sane has been mentioned multiple times above. The PPA now
includes a proposed fix of that for eoan, disco and bionic.
To be able to test myself, I breathed new life into my old Brother MFC-
240C. On disco it works fine, albeit after a few preparations - it's one
of those 'unsupported' devices, after all. These are the preparations in
my case:
* Install the driver brscan2-0.2.5-1.amd64.deb
* Add myself to the lp group:
sudo adduser $USER lp
* Add a libsane rule for Brother:
$ cat /lib/udev/rules.d/60-libsane-brother.rules
ATTRS{idVendor}=="04f9", ENV{libsane_matched}="yes"
* Make the system know about .so files in /usr/lib64:[1]
$ cat /etc/ld.so.conf.d/and-lib64-too.conf
# for scanner driver installed by brscan2
/usr/lib64
and to update /etc/ld.so.cache:
sudo ldconfig
* Reboot
[1]: The proposed fix makes sane find files in /usr/lib64/sane, but
brscan2 also installs .so files directly in /usr/lib64, and the fix
doesn't help for those. I could have created symlinks instead, but chose
to do it this way.
Anyway, after the reboot I can scan using simple-scan or xsane. On
disco, that is.
As regards bionic I have not been able to make it work. At all. Besides
the proposed package in the PPA, I tried to build sane-backends for
bionic using the eoan source. No problem with the build and install, but
still "No scanners detected" when trying to scan. I've tried it on two
computers.
So please let me know: Can you scan on bionic - at all? And if you can,
does the proposed package in the PPA make it easier for you?
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https://bugs.launchpad.net/bugs/1728012
Title:
Many 3rd party scanner drivers are broken by a sane change
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https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1728012/+subscriptions
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