Specifications Print Printer Resolution: 240 x 144 dpi Print Draft: 463cps (Characters per second) High Speed-Draft: 612cps (Characters per second) Needles: 18 Needles (2 x 9) Number of Columns: 136 Columns Number of Pins: 9-Pins Printing Method: Impact Dot Matrix Ultra Speed-Draft: 738cps (Characters per second) Interfaces Interface Type(s): USB & Parallel Media Handling Carbon Copies: 6 + 1 Original Compatible Media Thickness: 0. 06mm - 0. 14mm (Single Sheet), 0. 12mm - 0. 46mm (Multi-Part) Document Feed : Single sheet front and rear, Continuous paper front and rear, Paper output rear Paper Formats: Sheet Paper (single- and multi-layer), Continuous Paper (single- and multi-layer), Envelopes, Cardboard