Please wait for another error_log before closing this bug. I can ensure you there are other users who have reported it. One of them told me he can't manage to reproduce this bug before august 31st since he doesn't have the printer with him currently.
-- upgrade from 1.2.0 to 1.2.2 makes Canon iP4200 unusable https://launchpad.net/bugs/56685 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs