HP LaserJet 4250 Monochrome Printer Up to 45 ppm print speed; up to 1,200 dpi resolution 460 MHz processor, 48 MB memory, expandable to 512 MB USB and parallel connectivity, optional networking Versatile paper handling with 600-sheet standard input capacity PC and Mac compatible; 1-year warranty Use only Original HP Toner in your HP printer for great results, print after print Up to 45 ppm print speed; up to 1,200 dpi resolution 460 MHz processor, 48 MB memory, expandable to 512 MB USB and parallel connectivity, optional networking Versatile paper handling with 600-sheet standard input capacity PC and Mac compatible; 1-year warranty