Preparing to replace libcups2:i386 1.6.2-1ubuntu5 (using .../libcups2_1.6.2-1ubuntu5_i386.deb) ...
Unpacking replacement libcups2:i386 ...
Preparing to replace libcups2:amd64 1.6.2-1ubuntu5 (using .../libcups2_1.6.2-1ubuntu5_amd64.deb) ...
Unpacking replacement libcups2:amd64 ...
Preparing to replace cups 1.6.2-1ubuntu5 (using .../cups_1.6.2-1ubuntu5_amd64.deb) ...
Unpacking replacement cups ...
Preparing to replace libsane:amd64 1.0.23-0ubuntu1 (using .../libsane_1.0.23-0ubuntu1_amd64.deb) ...
Unpacking replacement libsane:amd64 ...
dpkg: error processing /var/cache/apt/archives/libsane_1.0.23-0ubuntu1_amd64.deb (--unpack):
 trying to overwrite shared '/etc/sane.d/fujitsu.conf', which is different from other instances of package libsane:amd64