This GEN3-E1 printhead is a robust, metallic construction offering resolutions up to 360 dpi for fast speed and high quality printing. The Ricoh / Hitachi GEN3-E1 (MH1801/1901) printhead is suitable for a range of Teckwin printers. There are 96 channels for a drop volume of 30 or 65 pl. Specifications Active nozzles: 96 Piezo type: D33 stacked PZT Print swathe width: 17.2 mm Nozzle pitch: 0.6809 mm Drop velocity: 8 m/s Printhead weight: 60 g Dimensions: 120 x 35 x 8 mm Life: 100 billion actuations per nozzle Drop volume: 30 or 65 pl Firing frequency: up to 20 kHz