Can you try the fix proposed in comment #7 of bug 1032456 and tellhere whether it also helps for your case?
** Changed in: cups (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1032385 Title: USB timeouts with Canon iP4300 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1032385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs