Samsung SCX-4521F Laser Multifunction Machine Print/Copy/Fax/Scan Monochome print and copy at 600 x 600 dpi resolution Print speeds up to 20 pages per minute 33.3 Kbps fax modem Enhanced color scan at resolutions up to 4,800 x 4,800 dpi Windows, Macintosh and Linux compatible; One-year warranty