I had this issue also with a Canon Pixma MG5250 on Zesty. Upgrading to the 1.0.27 version of libsane from Rolf Bensch (https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-release) fixed it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512027 Title: open of device pixma:MX7600_... failed: invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1512027/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
