Reliable fast and environmentally friendly 9 pin printer that deliver superb value for money 9 pin 136 column dot matrix printer up to 435 characters per second cps print speed eco friendly technology sleep mode consumes just 15w oki microline ibm and epson emulations multi part paper handling original 4 copies usb and parallel interfaces with rs232 and network options high speed energy efficient and reliable a great all rounder the 80 column ml3321eco dot matrix printer is suited