The network ready lexmark cx510de mfp with a colour touch screen and a print speed as fast as 30 ppm with two sided printing lets you copy scan and fax with up to true 1200x1200 dpi resolution images and graphics stay crisp and sharp lexmarks unisontrade toner ensures consistent quality too quickly print copy and scan up to 30 pages per minute in black and colour plus produce a one page colour document in as little as 115 seconds the vibrant 178 cm 7 inch colour touch screen pro