Vertical lines appear on the back side of the double-sided scans. * Scanned as photos (jpeg) (images 7 and 8) * Scanned as pdf (images 9 and 10) * Scanned as a blank sheet of paper (pdf) (images 11 and 12) It seems to work fine with single-sided scanning, but please consider it as a defective item. The included accessories are only the genuine AC adapter and USB cable, as shown in the photos. There are no manuals, etc.