one more note. the kern.log message below is triggered when I select source.
Insert -> Media -> Scan -> Select Source Mar 6 17:45:21 know kernel: [ 3171.678785] audit: type=1400 audit(1520376321.492:41): apparmor="DENIED" operation="open" profile="libreoffice-soffice" name="/etc/sane.d/dll.d/hplip" pid=3747 comm="soffice.bin" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0 Mar 6 17:45:21 know kernel: [ 3171.678789] audit: type=1400 audit(1520376321.492:42): apparmor="DENIED" operation="open" profile="libreoffice-soffice" name="/etc/sane.d/dll.conf" pid=3747 comm="soffice.bin" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1751689 Title: apparmor="DENIED" operation="open" profile="libreoffice-soffice" name="/etc/sane.d/dll.d/hplip" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1751689/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs