Fast reliable and eco friendly 24 pin printer that delivers real value for money 24 pin 136 column dot matrix printer up to 390 characters per second cps print speed eco friendly technology sleep mode consumes just 15w ibm and epson emulations multi part paper handling original 4 copies usb and parallel interfaces with rs232 and network options reliable high quality printing thatrsquos energy efficient the 136 column ml3391eco dot matrix printers is suited to a wide range of high