In the past two decades, many printing companies have accepted the reality that they must adopt new technologies in order to survive. Desktop publishing, autochanging, CTP and JDF have all played a crucial role in the survival and development of the printing plant. Today, another new technology has emerged in the printing market, and it will shake the dominance of offset printing technology.
In recent days, the advantages exhibited by inkjet printing in the high-volume printing market have clearly surpassed the traditional printing process. The improvement of traditional offset printing technology—especially the reduction of printing unit price and the improvement of automation level—has greatly improved the productivity of printing plants, but it has not expanded the application scope of printing like digital printing technology, and it is not suitable for use in Personalized or short-run printing process.
In the past two years, many large-scale printing suppliers, such as Agfa, Fujifilm, Dainippon Screen, Kodak, and Hewlett-Packard, have invested heavily in the development of inkjet products.
Breakthrough areas
The first commercially successful color inkjet printing device was the Versamark system introduced by Kodak. This printer is mainly used for the printing of transactional mails, using high-speed continuous inkjet technology, and can print forms and bills through a 22.8 cm wide printhead with water-based inks. Companies such as DSTi and Astron are all loyal users of Versamark, and they can use this device to print 16 million pages per month, with a maximum speed of 1,000 ppm.
With the ever-increasing TransPromo business (referring to adding color to invoices or declarations), the printing market has also undergone enormous changes. Because of the limited quality of high-speed printing, the greatest role of color printing is to attract people's attention, rather than show the effect of color itself.
In the field of high-speed color inkjet printing, Kodak and Dainippon Screens have jointly launched the Truepress Jet520 printer that integrates the screen's prepress and workflow technologies with Epson's piezoelectric drop-on-demand printheads. The web printer has a width of 52 cm and a maximum speed of 64 m/min or 210 pages (A4)/min, and uses aqueous pigment inks. Although the price of the Truepress Jet520 printer is similar to that of other inkjet solutions, its print quality is better than the Kodak Versamark.
For high-quality prints, including direct mail, people prefer to let Real Digital produce. Real has an inkjet web press with a fixed print head and generally uses UV-curable ink for printing. In addition, their print heads are manufactured by Toshiba, which is licensed by Xaar.
Inov-Media, a French inkjet technology developer, launched its own Jet7Pro printer at Ipex last year, injecting fresh blood into the stereotyped inkjet printer market. Essentially, the Jet7Pro is a sheet-fed press, except that its inking mechanism was replaced by the Epson inkjet printhead. The Jet7 Quattro is the newest model in the series. It uses not only the fastest Xaar printhead, but also a different number of printheads, enabling the entire page to be scanned with resolutions of 360 and 720 dpi. Bidirectional scanning. According to the number of engines, the maximum speed that this printer can achieve is also different. For example, a Jet7 Quattro printer with four engines can print up to 160 B1 pages with a resolution of 720 dpi or 400 normal pages with a resolution of 360 dpi per hour. It is understood that Jet7 series printers can generally be equipped with 2 to 20 engines.
Print head design
Xaar recently introduced the newly designed print head, the Platform 3. The printhead has two rows of nozzles (a total of 1000), an imaging range of 70.5mm, and a maximum resolution of 360dpi that can be supported, thus providing the user with the same quality as ordinary color printing. Xaar claims that the consistency and stability of this printhead have been significantly improved over previous products. The first commercial version of the Platform 3 printhead was produced by Canada's PAT Technology, which launched a series of digital coaters late last year.
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