I found a workaround with the following settings in the USB configuration of the ASUS Z87-K mainboard
legacy USB support: enabled Intel xHCI Mode: disabled EHCI Hand-off: disabled Now the scanner works perfect and I am not aware of negative effects. Maybe because I don't have any USB3 devices. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1247371 Title: scanner only works once Canon LIDE 110 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xsane/+bug/1247371/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs