CLX-6220FX Print Speed (Black): 21 ppm Print Speed (Color): 21 ppm Fax Speed: 33.6Kbps Scan Resolution: 4,800 x 4,800 dpi Effective Resolution(Max): 9,600 x 600 dpi Technology: Color Laser- Print, Scan, Copy and Fax Print Language: SPL-C, PostScript3, PCL6 Processer 360 MHZ Fax Memory: 4MB (200 pages) Memory: 256MB (max 512MB) Paper Capacity: 850 sheets (max capacity) Paper Type: plain paper, thick, thicker, extra thick, thin, cotton, archive paper, bond, card stock, lables, preprinted, color paper, envelope, recycled and glossy Connectivity: Hi-speed USB 2.0, Ethernet 10/100 Base.