Oki MICROLINE 186 Dot Matrix Printer (62422401) OKI MICROLINE 186 Dot Matrix Printer (9-pin) (375 cps) (128 KB) (240 x 216 dpi) (Max Duty Cycle 13 000 Pages) (Serial) (USB) (Energy Star) OKI MICROLINE 186 Dot Matrix Printer (9-pin) (375 cps) (128 KB) (240 x 216 dpi) (Max Duty Cycle 13 000 Pages) (Serial) (USB) (Energy Star) Matrix