The Epson print head has been doing very well in the Japanese printing era, in MIMAKI, ROLAND, MOUTH series of Japanese pictorial machine can see the figure of EPSON nozzle, the current domestic equipment also Large-scale start using EPSON DX5 take the lead in the development of domestic inkjet printer.Konica print head, Konica nozzle is double row of ink tube, the flow pressure evenly. Guaranteed print quality. Some brands are single-row. Epson 5113 print head is smaller than DX-5, but faster thank DX-5 print head, its disadvantage is its lifetime is shorter than DX-5, nearly 1-2 years. 512 Konica nozzle is fully enclosed nozzle, waterproof, anti-aging. Konica nozzle on the ink compatibility is poor, the different seasons of the ink has strict requirements, sensitive to changes in ambient temperature, nozzle plate exposed, stained ink will burn the nozzle, high and low temperature work is easy to break the ink, use Life is below 1.5 years. Ricoh print head is mainly used in high-grade industrial UV printer, like a foreign imports of one or two million machines are mostly used Ricoh nozzle. The same industrial nozzle machine, Ricoh print out the effect is definitely the best, the most clear, the basic can achieve Epson print effect. Double row into the ink tube, ink point fine, gray level printing. Fully enclosed nozzle, waterproof, anti-aging. Ricoh Gen4 nozzle has built-in thermostat system, print voltage with temperature adjustment, can get a more stable printing status. the circuit board of print head is all metal wrapped, you can soak the ink, will not cause nozzle damage, nozzle life longer, normal can use 3-5 years, is the most successful one of the piezoelectric nozzle. Single nozzle single color control, all-steel structure Super corrosion-resistant nozzle, both speed and effect, but its drawback is the price relative to other types of nozzle machine to expensive.