Found more cheap printer parts products only at Demawati.com . SWJ-320 GEN5 Assy Packaging - M012639. Price : $1,300.00 Availability:In Stock Brand: Mimaki Product Code: DIS0052. This GEN5 (MH5420/5440) Assy Packaging is suitable for Mimaki SWJ-320 printers. This is the original Mimaki part (number M012639). This packaging contains the assembly including tubes, valves, ink connectors and brackets. Product Specifications Dimensions: 89 x 25 x 69 mm (excluding cables) Head materials: SST, Nickel alloy and Epoxy Adhesive Nozzle plate surface: Coated SST Number of nozzles: 4 x 320 nozzles Nozzle spacing: 0.1693 mm Nozzle density: up to 600 npi Piezo yype: D33 Stacked PZT Temperature control: Integrated Heater and Thermistor Operator temperature range: Up to 80° C Native drop volume: 7 pl Drop volume range: 7 - 35 pl Drop velocity: 7 m/s Jetting frequency: Up to 60 kHZ Life: 100 billion actuations per nozzle