At present, there are many printhead in the market: Epson, Seiko, Ricoh and Toshiba. Seiko heads have two models, 1020 and 1024GS; Ricoh heads: Gen5 and GH2220; these heads occupy the mainstream.
Epson head: Piezoelectric commercial heads, one head can print four or six colors, there are 8 rows of nozzles, 180 holes in one row, a total of 1440 nozzles, the minimum orifice is 7PL, the general uv printer comes standard with two heads. One color, one white or two colors, the printing speed is 4-5 square meters per hour, the life of the head is about 1-1.5years, and it can't bear 24 hours of continuous work. The requirment for ambient temperature is relatively high, and the nozzle material is organic plastic. It is susceptible to damage from ink corrosion.
Seiko 1020 printhead: Piezoelectric industrial head, width 71.8mm, single heads with 2 rows of nozzles, single row 510 holes, a total of 1020 nozzle holes, nozzle holes 12PL\35PL, single head monochrome. One printer standard configuration is four or five heads, the printing speed is 10-15 Sqm/hour. It can be continuously produced for 24 hours. The printhead has a service life of 3-5 years. The nozzle can be heated independently, with little environmental requirements and is not easy to damage.
Seiko 1024GS printhead: a upmarket head, piezoelectric industrial grayscale nozzle, single-head monochrome, single head with 1024 nozzles, ink droplet size can be changed according to printing needs 7-35PL, can accept 24-hour non-stop printing. The printing speed is 16-17 square meters per hour, and the service life of the nozzle is more than 5 years. The nozzle can be independently heated, the requirment for environment is small and not easy to damage.
Ricoh G5 printhead: Piezoelectric industrial grayscale nozzle, single-head two-color, single head has four rows of nozzles, single row 320 holes, a total of 1280 holes, nozzle models 54mm, can print 7-35PL ink drops, printing speed of standard configuration is 13-15 Sqm/h, can be printed continuously for 24 hours, the nozzle life is 3-5 years. The head can be self-heating with the boot process, and the environment requirements are small, it is the most widely accepted printhead.
Toshiba printhead: Toshiba heads are also very subdivided. Now the market is mainly CE4M, the head width is 53.7mm, there are 636 nozzle holes, fixed ink droplet size, industrial grade nozzle, can accept 24 non-stop printing, the nozzle life is basically 3-5 years or so.
The printhead is the most important part of the uv flatbed printer. It should be especially valued. Different head have different characteristics and different prices. I want to say it again which said many times before. There is no best printhead, only havs the most suitable. Each printhead has its unique advantages, it should be recommended according to the actual situation of the customer.
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