17ppm Mono Print Speed, 4800 x 4800 dpi Optical Scan Resolution, 8MB RAM, USB 2.0 Interfaces., samsung scx-4500 multifunction printer - monochrome laser - 17 ppm mono - 600 x 600 dpi - copier, scanner, printer n31025 n32407 q26111 scx4500 samxscx-4500 206