This oki ml3320eco 80 column dot matrix printer has a high durability 9 pin print head the print speed of the oki ml3320eco is up to 435 characters per second at super high speed draft mode the oki ml3320eco has been developed to be eco friendly so has a power consumption at just 15w in sleep mode 9 pin 80 columns super high speed draft 12cpi 435cps print speed up to 240x126dpi resolution 5 multi part forms original 4 copies epson fx ibm proprinter microline emulations paper parking