HPOKI Microline 91913701 Wireless Monochrome Printer OKI MICROLINE 620 Dot Matrix Printer (Dual 9-pin) (700 cps) (128 KB) (288 x 72 dpi) (Max Duty Cycle 28 000 Pages) (Parallel) (USB) (Energy Star) (Product Color: Black) OKI MICROLINE 620 Dot Matrix Printer (Dual 9-pin) (700 cps) (128 KB) (288 x 72 dpi) (Max Duty Cycle 28 000 Pages) (Parallel) (USB) (Energy Star) (Product Color: Black) Matrix