510 Nozzles Binary Printhead Series Active Print Width72mm No. Of Active Nozzles510 Firing Frequency8KHz Drop Volume35pl (Binary) Used for: Infiniti, GZ, inkjet printers, Roland AJ1000I Original Japanese piezo SEIKO SPT510/255 inkjet printheads which feature 510/255 active nozzles and long useable life to produce high quality output at 720dpi resolution. Original Japanese drop on demand piezo printhead with steel plate protected, 510 active nozzles/printhead, 71.8mm printing width. 6 color plus 720dpi makes unmatchable color and high resolution. The voltage of the printhead, automatically adjustable to the temperature, prevents blockage caused by the change of temperature. Edge feather function can blur the pass line and feather the pass edge. Delicately designed alloy-aluminum platform.TechnologyDrop On Demand PiezoActive Nozzles510Native Resolution180 dpiActive Print Swath2.8 inches(71.8mm)Drop Volume35 plFiring Frequency6-8 KhzLinear Print Speed0.49 Pin Proprietary parallel I/FDimensions4.95 in W * 3.48 in H *1.18 in D125.5mm W * 88.5mm H *30mm DWeight.00441b(200g)