The MICROLINE 321 Turbo builds on the heritage of Tank-Tough reliability established by OKI's ML321, our best-selling dot matrix printer all around the world. This 9-pin dot matrix printer is blazing new trails in productivity. Engineered for dedicated printing in the most demanding point-of-sale, automation and utility applications, the ML321 Turbo can easily run twice as long as most printers in its class! It can simplify any job on virtually any stock, and it's economical enough to put wherever you need data on the spot.