The HP 500-sheet paper feeder and cabinet increases flexibility by providing one additional 500-sheet tray and a cabinet and enabling output device attachment. Features Accommodates multiple types and sizes of paper, such as legal size, letterhead in a second, and plain paper in a third. Save time loading paper with additional paper trays Simple to install, featuring unique sensors that automatically detect paper size, easy-to-use paper guides, and a paper level indicator that lets users know how much paper is in the tray without opening the tray.