On Sun, Apr 11, 2010 at 12:32:10PM +0200, fons@xxxxxxxxxxxxxxx wrote: > Apr 11 12:33:51 zita1 kernel: usb 3-1: usbfs: interface 0 claimed by usblp while 'usb' sets config #1 > Apr 11 12:33:56 zita1 kernel: usb 3-1: usbfs: interface 0 claimed by usblp while 'usb' sets config #1 > Apr 11 12:34:01 zita1 kernel: usb 3-1: usbfs: interface 0 claimed by usblp while 'usb' sets config #1 > Apr 11 12:34:07 zita1 kernel: usb 3-1: usbfs: interface 0 claimed by usblp while 'usb' sets config #1 > Apr 11 12:34:12 zita1 kernel: usb 3-1: usbfs: interface 0 claimed by usblp while 'usb' sets config #1 Did you blacklist the "usblp" module as described in the wiki [1]? Do you use a custom kernel? [1] http://wiki.archlinux.org/index.php/CUPS#Blacklisting_usblp