The solutions-capable Lexmark CS510de network-ready colour laser printer with two-sided printing standard, an 800 MHz dual-core processor & 512MB of standard memory prints at up to 30 ppm black & colour. With up to true 1200x 1200 dpi resolution, images & graphics stay crisp & sharp. Lexmark's Unison™ Toner ensures consistent quality too. Power through projects with print speeds up to 30 pages per minute in black & colour, plus produce a 1-page colour document in as little as 10 seconds. Easily print up to 7, 000 pages per month, & enjoy fewer maintenance hassles, thanks to our state-of-the-art paper handling.