Ricoh gen5, RicohRicoh GEN5 uv print head MH5440, original printhead
Number of nozzles : 1,280 (4 × 320 channels), staggered Nozzle spacing (4 color printing) : 1/150"(0.1693 mm) Nozzle spacing (Row to row distance) : 0.55 mm Nozzle spacing (Upper and lower swath distance) : 11.81mm