The Kodak i3450 is suitable for scanning a large number of mixed documents up to A4/A3 format with the straight or U-turn paper path feature. Regardless of the document size, thickness or paper quality, the output tray is easy to adjust and allows efficient document retrieval. The Kodak i3400 is equipped with staple and binding detector, avoiding paper jams. Intelligent Document Protection listens for problems and alerts you before they become jams or misfeeds.The kodak i3250 scanner comes with the integrated A4 size flatbed and can scan or handel a wide range of exception documents with ease with an integrated book-edge A4 flatbed ideal for book pages, passports, folders, and fragile documents.