The Gen4 printhead is suitable for water-based, solvent, oily, uv ink,with an integrated heater and thermistor,has two different cable lengths: 19cm long and 44cm long and a choice of hose barb ink inlet or o-ring sealed ink inlet. It is also the most widely used nozzle in recent years. It not only has a long service life, but also has a very good color and fineness. The resolution can be close to the effect of Eps nozzles. Close to the original figure about 85%, suitable for the current market use of painting, relief, varnish process.