Inkjet printing enters the three major technologies in the field of digital printing
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Inkjet technology has achieved great success in the small inkjet printer and large format printing equipment market, and continues to develop rapidly. However, inkjet technology can enter the label digital printing field mainly thanks to single-pass (SinglePass) printing. The emergence of inkjet heads capable of grayscale printing and the maturity of UV curing technology. In recent years, many inkjet heads and ink manufacturers have made good progress in these areas.
1. Single scan technology
Unlike conventional home inkjet printers which require multiple scans of the inkjet head, the inkjet head is usually fixed in a single scan, and the entire image is formed by the medium passing through the inkjet head at one time, so the printing speed is fast. At present, the industry's leading inkjet head manufacturers have introduced a variety of inkjet heads suitable for a single scan, such as Xaar's 1001, OmniDot series inkjet head, Konica Minlota's KL512 inkjet head, Spectra's S-class series. The inkjet head, EPSON and Panasonic inkjet heads are also suitable for a single scan.
2. Grayscale printing
Inkjet heads using grayscale printing technology can eject different sizes or different numbers of ink droplets at each inkjet position to form different print gradations, which makes the edge of the printed text of the inkjet head sharper. The image is better. For example, the inkjet head has 360 nozzles per inch, and each nozzle can eject 7 different sizes of ink droplets. Each pixel can have 8 shades of gray from 0 to 7 levels, and the visual resolution of the printed image. Equivalent to 900dpi.
3.UV curing ink
UV curable ink is an inkjet ink that has emerged and developed rapidly in recent years. It has many advantages such as environmental protection, fast curing speed, etc., and it also maintains a liquid state before ultraviolet light irradiation, and does not block the inkjet head, regardless of Good results are obtained on hard or soft materials, making UV-curable inks ideal for single-scan label digital printing. In recent years, foreign ink and ink manufacturers such as Sun Chemical and Fuji Seiko have invested heavily in the development and production of UV-curable inks, enabling the performance and cost of UV-curable inks to meet the needs of label printing. In short, the development of inkjet technology can fully meet the needs of label printing in terms of printing speed, printing quality and media adaptability, and label inkjet printers have emerged.