Canon i-Sensys LBP-3360 A4 Mono Duplex Laser Printer USB LANThis is what Canon has to say: A versatile printer with integrated network, PCL and auto duplexing for easy double sided printing. It features integrated network, PCL, auto duplexing (automatic double sided printing), zero warm up time, fast printing of up to 21 ppm* and exceptional quality at 600 x 600 dpi (equivalent to 2400 x 600 dpi). Print Speed: 21 ppm mono (A4) Printing Method: Monochrome laser beam printing Print Quality: Up to 2400 x 600 dpi