Hello, I am sorry for my english french :) If it helps you, here are generated by usbpcap, pcap files for CanoScan lide 120. http://weshare.me/a2da019d6e2b8fcb/canoscan_lide_120_preview.zip http://weshare.me/dc373a1c61c59a97/canoscan_lide_120_numerisation.zip Hoping that it can be used. greetings, Dominique