AUI SP-330 9-pin Dot-matrix Printer (SP330) - Printing Method: Impact Dot Matrix, Number of Columns: 80 columns, Number of Pins: 9 Needles, Printing Speed: Super Draft: 300PCS/337CPS Draft: 225CPS/270CPS NLQ: 56CPS/67CPS, Carbon Copies: 3 + 1 Original, Connectivity: Bidirectional Parallel, USB 2.0, RS-232, MPrint Head Life: 400 Million Strokes/Wire, Weight: 4.3 kg