It is possible that on 14.04 a TIFF library is missing for the Canon drivers. See bug 1312103. Please check.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1160638 Title: usb printer works intermittently after upgrade to Precise To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1160638/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs