In the 1990s, it was internationally known as the era of powder science. During this period, according to the development of powder technology, high-grade color films, color video tapes, magnetic tapes and other products came into being, which enriched people's lives and entertainment. The printing industry is no exception, and the benefits of powder technology advancements are abundant. This article describes the application of powder imaging technology.
The status of color printing in Photo office environment
In today's office environment, the requirements for color printing are increasing, but the current situation is that color printers with a balanced cost and performance have not yet been commercialized, and black and white printers are still the mainstream. Although the popularity of the Internet and the advancement of calculators and intelligence technology can expect the office to become paperless, the current reality is that the amount of printing paper in the office is increasing. Moreover, it is very desirable to get the on-demand printing machine that can arrange printing for the required documents, and a multifunctional device that can take care of copying and faxing. In order to pursue higher-quality documents and data, find ways to match the existing black-and-white printing machines, and to achieve higher printing speed and cost reduction. The following will introduce the color printing using powder spraying technology, indicating that it is possible to comprehensively solve the above problems. In the near future, I hope this technology will become the mainstream of printing equipment in the office environment.
The structure of powder printing
The following four items can be achieved by dusting.
1. Full-color printing 2. High-speed printing 3. Cheap and little working capital 4. High image quality
Powder spraying is a type of direct printing that uses toner to be directly sprayed onto a recording medium such as paper. It is completely possible to achieve stable and high-quality printing quickly at low cost.
The structure of the powder printing is shown in Figure 1. The charged toner is sprayed toward the back electrode applied with a high voltage of 1 kV through a thin substrate (FPC) with fine holes and attached to the paper passing between the FPC and the back electrode. The micro-holes arranged on the FPC are equipped with a ring electrode, and the toner is sprayed according to the voltage of the actuator to control the toner. The toner attached to the paper forms a fine dot, which is attached to the ring electrode passing around The ideas together form text and images, and then, like laser printers, the toner is fixed on the paper with pressure and heat, and at the same time the FPC is purified in preparation for the next printing.
Features of powder printing
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