User's Guide Printer Basics 14 A Paper cassette 1 Loads paper. B Paper cassette 2 C Front cover Open to load paper in the paper cassette. D Edge guide Feeds the paper straight into the printer. Slide to the edges of the paper. A Document cover Blocks external light while scanning. B Scanner glass Place the originals. C Scanner unit Scans placed originals. Open to replace ink cartridges or to remove jammed paper. This unit should usually be kept closed. D Memory card slot Insert a memory card.