Designed with a flat unobstructed print path the 1800 Series S delivers crisp, clean print quality on a wide variety of media up to 10.5-inch wide and 0.4-inch thick. Easily print on 10-inch by 13-inch flats, on mailers up to 10.5-inch by 17-inch, and on stuffed envelopes, chipboard, corrugated cardboard, folding cartons and more.