Okidata ML490 24-PIN IMPACT PRINTER OKI MICROLINE 490 Dot Matrix Printer (24-pin) (475 cps) (128 KB) (240 x 216 dpi) (Max Duty Cycle 20 000 Pages) (Parallel) (USB) (Energy Star) OKI MICROLINE 490 Dot Matrix Printer (24-pin) (475 cps) (128 KB) (240 x 216 dpi) (Max Duty Cycle 20 000 Pages) (Parallel) (USB) (Energy Star) Matrix