With the continuous advancement of ink and toner technology, the quality of digital printing has also been improved unprecedentedly.
When people buy digital printing solutions, they often fall into the trap of non-important indicators such as rated speed. People's attention is easily attracted by the latest advances in printer heads and resolution, because these are, after all, things that look fancy on the surface.
But in any case, consumables are still an indispensable and important part of the printing equation. The choice of ink, toner and substrate directly determines the resolution of the image and the customer's overall requirements for the work.
The advancement of consumables has promoted the development of printing
Some people may think: "Toner is just toner", and their basic composition is the same. Toners are everywhere in our lives, and we can easily get them. It is like a pilot flying an airplane. As long as the ink cartridge is installed and the switch is turned on, the printer can start production.
But the topic of toner is a little more complicated. The toner products used in digital printing solutions have various huge and subtle differences. At the very least, they all have different shapes and sizes.
Polymerized toners using polyester as a raw material have become more and more popular now because of their strong adhesion, they can be produced at a higher speed, and the overall performance is also more prominent. This has been approved by Chuck Havens, the material sales manager of Kodak Graphic Group, and Arun Chowdry, the technical development manager.
Kodak Graphic Imaging Group is responsible for the production of toner for all of its digital printing equipment, and has made great progress in the color gamut, environmental protection and durability of products. In the past few years, the company has continuously launched green, orange, and purple inks; transparent inks for online glazing and protective coatings, and MICR toners specifically for the Kodak DIGIMASTER digital production system.
Mary Fromm, manager of the Xerox Group Toner and Developer Production Company, pointed out: "Toner technology has made significant progress in recent years, and changes in market trends have directly affected our development and production strategies for toner."
"For example," Fromm explained: "Ten years ago, we just started to seek success in the field of color digital printing, and now color printing has become the most important part of the entire company's business. In order to meet the market for color products In response to the demand for new color printing methods, we have also made significant adjustments in toner design and production methods. "
Xerox is currently producing some of its own toner products using a method called emulsion polymerization (Emulsion / Aggregation). Fromm revealed to us the difference between this method and other production processes. He said: "In the past, we mainly produced toners by physical methods. We first mixed different materials together and then grinded them to have Small particles of precise size. "Emulsion / Aggregation initially produces tiny particles, and then adjusts the size and shape of these particles according to the requirements of the printing plant to achieve the best printing effect.
Fromm said: "In recent years, we have achieved good results through the implementation of lean production management within Xerox. These measures have given us the ability to improve the quality of the project and increase the function of consumables, thereby further improving the reliability of production."
Canon USA has developed four brands of toner, each of which is designed to meet specific printing equipment and printing markets. VividToner (VToner) is a product launched by Canon for high-quality color copiers,
Its average particle size is only 5.5 microns. According to the company, this toner can reduce dot expansion, ensure the consistency of image quality, and better maintain gloss uniformity during high-speed printing / copying.
In addition to the VividToner mentioned above, Canon also launched three toners for office color copiers, medium-speed black-and-white copiers, and high-speed black-and-white copiers, Spherical & SynergyToner, QuickFixingToner, and HighReliabilityToner.
At the same time, Canon has also been working hard to improve the performance of LUCIA ink, which is mainly used in Canon imagePROGRAF 12-color printers. LUCIA series products currently contain five new inks, they are: gray, photo gray (PhotoGray), red, green and blue. Adding gray ink allows imagePROGRAF users to produce smoother tones, while RGB ink can bring people a wider color gamut. And LUCIA ink uses a very unique formula, can be used with a variety of substrates.
Mix of fine ingredients
The owner of a printing company should not be shy about asking ink and toner manufacturers questions about product performance. They should understand whether these consumables are suitable for their own equipment, and should conduct rigorous tests on these products to ensure that they can meet the operational requirements.
Hewlett-Packard wrote this sentence on its website: "HP substrates, printers and inks are all designed together and can be used as a complete system."
For example, Hewlett-Packard has designed specially formulated inks for its large-format printers and related substrates. For its own toner printing solution, the company also improved the toner particles so that it can quickly merge and print clearer text and images.
For Hewlett-Packard Angel Press, the company introduced two grades of ink to better meet certain production requirements. HP Race Angel Supreme is an ideal choice for high-volume high-quality printing, while HP Race Angel Classic ink is suitable for printing plants that want to achieve higher printing quality and have uninterrupted production.
Most of HP's Sai Angel inks are produced in their ISO certified factories, and their products have achieved excellent results in multiple tests, such as: flash point, surface tension, viscosity, particle size , Drying speed, color intensity, luster and gloss, and electrical conductivity.
Xerox's Fromm said: "High-speed printing production puts a certain pressure on the performance of the imaging system. The printer must operate at the maximum speed, and customers in the production environment also have print quality, reliability and press preparation time. Very high standards have been proposed. "
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