OKI Ml1120 9 Pin Dot Matrix Printer (43471831) - Serial Impact Dot Matrix Method, Print Speed: 375 cps , Resolution: Max. 240(H) x 216(V) dpi, Print Size: 80 Columns, Print Head: 9 Pin, Paper Route: Tractor Feeder (Rear), Tractor Feeder (Bottom), Manual (Top), Character Pitch: High Speed Draft : 12.0 cpi, Receive Buffer: Max. 128KB, Paper Type: Continuous paper, Continuous copying paper, Cut sheet, Card, Envelope, Label, Connectivity: IEEE1284-1994 Bi-directional Parallel, USB 2.0 (Full Speed), RS-232C (25pin), Supported OS: Windows Vista, Windows Vista x64, Windows Server 2003, Windows Server 2003 x64