The Ricoh MH2820 GEN4L printhead is suitable for a range of UV, aqueous and solvent printers. This head is capable of jetting a variety of ink types in large droplet sizes, from 27-54 pl. The built-in heater heats the ink to up to 80ºC for jetting, providing support for high-viscosity inks. This is Ricoh original printhead and it is covered by a manufacturer warranty. This head comes with hose barbs. The hose barbs can be removed if printhead with o-rings is needed. We recommend to change the head cables when installing a new printhead.

Technical Specifications

– Size: 120 x 75.56 x 13.2 mm (excluding cables)
– Nozzle Plate Surface: Non-wet coating
– Number of Nozzles: 2 x 192 nozzles
– Nozzle Spacing within a row: 0,339 mm
– Compatible ink: UV, solvent, aqueous
– Temperature Control: Integrated Heater and Thermistor
– Operator Temperature range: Up to 80° C
– Drop Volume Range: 27-54 pl
– Jetting Frequency: 30 kHZ (27pl) – 20 kHz (54pl)
– Viscosity range: 11-13 mPas
– Surface tension: 28-35mN/m
– Grey scale: 3 levels
– Total length 256 mm including cables
– Number of ink ports: 1 color: 1 x dual / 2 colors: 2 x dual
– Alignment pin direction: Front (standard) / Back (optional)
– Life: 100 billion actuations per nozzle

This printhead carries a manufacturer warranty. Country of origin : Japan