Small, smart & energy-efficient, the SP 311DN is designed to impress. Compact enough to fit unobtrusively on a desk, the B/W A4 laser printer will astound you with their speed & efficiency. The device is easy to operate & simple to maintain. Its energy consumption is very low. & it incorporates a host of environmentally responsible features such as energy saver mode & automatic duplex to lower your carbon footprint. In short, if you're looking for fast, compact, energy-efficient B/W printer, you'll find them in the SP 311DN.