I chose this product for the promotional offer of ReadIris Pro 14 software over a month after my purchase I finally got the download link, but the key does not work, neither Canon nor ReadIris not meet my mails. Also when I scan / copy from above, there is a black streak on the output document, I can not remove, and after 14 days still no reply from the Canon service. It's been years that I have Canon, but I think this is the last, their customer support is zero.