Print MethodImpact DOT matrix Number of Pins in Head : 9-pins Print DirectionBi-direction with logic seeking ontrol CodeESC/P and IBM PPDS emulation High Speed Draft 10/12/15 cpi347/357/390 cps High Speed Draft Condensed 17/20 cpi383/298 cps Draft 10/12/15 cpi260/312/223 cps Draft Condensed 17/20 cpi222/260 cps Draft Emphasized 10 cpi130 cps NLQ 10/12/15/17/20 cpi65/78/ 55/47 56 cps Paper SizeLength, Width, Thickness Input Data Buffer128 KB InterfaceBi-directional parallel interface (IEEE-1284 nibble mode supported) USB 2.0 Full-Speed Serial Ribbon CartridgeFabric Ribbon Cartridge (Black) Control Panel4 switches and 5 LEDs Rated VoltageAC 120V/AC 220 – 240V Rated Frequency50Hz – 60Hz Operating SystemMicrosoft Windows 2000/XP/7, Microsoft Windows Vista