package libsane 1.0.23-3ubuntu3.1 [modified: lib/udev/rules.d/40-libsane.rules] failed to install/upgrade: trying to overwrite shared '/lib/udev/rules.d/40-libsane.rules', which is different from other instances of package libsane:i386

[Fabio Monteverde]

Panasonic kx-mb1900

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libsane 1.0.23-3ubuntu3.1 [modified: lib/udev/rules.d/40-libsane.rules]
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
Date: Sun Aug 10 17:01:51 2014
DuplicateSignature: package:libsane:1.0.23-3ubuntu3.1 [modified: lib/udev/rules.d/40-libsane.rules]:trying to overwrite shared '/lib/udev/rules.d/40-libsane.rules', which is different from other instances of package libsane:i386
ErrorMessage: trying to overwrite shared '/lib/udev/rules.d/40-libsane.rules', which is different from other instances of package libsane:i386
InstallationDate: Installed on 2014-07-12 (28 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: sane-backends
Title: package libsane 1.0.23-3ubuntu3.1 [modified: lib/udev/rules.d/40-libsane.rules] failed to install/upgrade: trying to overwrite shared '/lib/udev/rules.d/40-libsane.rules', which is different from other instances of package libsane:i386
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.sane.d.dll.conf: 2014-07-13T17:36:55.170814

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Luis Alberto Pabón (copong)]

I confirm this is also happening to me. I added 'brother4' to dll.conf and also some rules to 40-libsane.rules to make my scanner work.