Some more explaination about scan button daemon: install the software sudo aptitude install scanbuttond
now start the daemon as normal user scanbuttond. after this my epson scanner with snapscan backend is working fine. But what is going on? the daemon allways watches for the scanner and the usb did not suspend. the real function of this software is to look for the buttons on the scanner and do something usefull lke scanning -> printing - scanning -> email regards Franz -- Canon Lide25 (plustek backend) scanner does not scan via gui https://bugs.launchpad.net/bugs/85488 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs