OKI ML5591 Dot Matrix Printer – 24 PIN A3 / 136 Column up to 473cps 4 million caracter ribbon Character Pitch; 10/12/15/17.1/20 pitch Up to 360 x 360 dpi Emulation; Epson LQ IBM ProPrinter III/AGM Connectivity; Centronics Parallel USB 2.0 Original + 4 copies Rear push tractor Paper parking Lower tear-off Autoload single sheet Optional; Pull tractors Single/dual bin sheet feeder Roll paper stand Bottom Push tractor