Technology Drop On Demand Piezo Active Nozzles 510.35PL Native Resolution 180 dpi Active Print Swath 2.8 inches ( 71.8mm) Drop Volume 35 pl Firing Frequency 6-8 KHz Linear Print Speed 0.49 m/ sec, 360dpi, 7KHz Interface 30 Pin Proprietary parallel I/ F Dimensions 4.95 in W x 3.48 in H x 1.18 in D 125.5mm W x 88.5mm H x 30mm D Weight: 200g