The core advantages of digital printing technology
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Under the situation of diversified economic development and increasing market competition, the trend of individualization in modern business activities has been significantly enhanced. People need more than just mass-produced printed materials, but also need imprints with strong immutability and flexibility. As a result, the share of mass-produced prints has decreased year by year in all areas of the printing industry, while the short-run printing business has increased rapidly.
Digital printing as an all-digital production process, using electrostatic imaging or inkjet imaging technology, the process flow is greatly simplified, the production of proofs and short-run jobs can be completed with high efficiency and low cost; digital printing does not require printing plates, there is no plate making The problem of cost sharing can be achieved by one printing. In the case of small printing, this type of printing is more economical than offset printing; digital printing is a real “on-demand service” before printing and during printing. It can meet any customer's requirements for adjusting the printed content without adding any cost. It does not need to re-export the film, make plates, etc. like offset printing. There is no loss of material, convenient and fast. Digital printing can make the printed content change at any time, and can complete variable information printing, personalized printing and custom printing, which can meet the requirements of "on-demand printing". At the same time, the digital printing drying time is almost zero, and the printed matter can be printed and printed immediately. There is no problem that the offset printing takes time in the printing and printing process. Therefore, as soon as digital printing technology emerged, it has certain advantages because it can adapt to the market demand of short-run printing, and its market share continues to increase, posing challenges to offset printing technology.
Offset technology has been dominant in the printing market for decades. Even with the rapid development of digital printing technology, the excellent printing quality and speed of offset printing is still the goal of digital printing technology. For example, the same is a sheetfed press. The digital press usually prints A4 pages per minute to illustrate the printing speed. Fuji Xerox color1000 Presses prints 100 A4 pages per minute, which is 6000 A4 pages per hour. A Komori Lithrone CJ40 offset press can print 8 A4 pages per sheet at a maximum speed of 16,500 sheets per hour. It can print 132,000 A4 pages per hour, so in the same time, offset presses have more than digital presses. Higher productivity; similarly, the outstanding ability of offset printing in the printing of high-end and exquisite products has also been widely recognized by experts. Therefore, offset printing technology has considerable advantages in the mass print market.
In order to solve the requirements of offset printing for short-run printing, offset press manufacturers have focused on improving the automation of printing presses. They applied digital technology to offset presses to realize the digitalization of offset printing control, enabling offset presses. It has many new automation functions, which solve the problems of excessive printing preparation time and slow drying after printing. For example, Heidelberg has applied the direct plate-making technology to the offset press and developed the DI (Direct Imaging) printing system. The Heidelberg Express and Speedmaster series of direct imaging presses have short print preparation time, fast printing and The high print quality features create benefits by reducing pre-press preparation time and profitability from the fastest possible print conversion. In another example, the Lithrone CJ40 press launched by Komori in April 2011 is equipped with a free-form version of the automatic plate changing device, which can replace four plates in about 2 minutes; the integrated control system KHS-AI (with self-learning) The fast-acting system of the function) takes only about 7 minutes to complete the job change quickly, and the waste loss on the start-up is lower. The Hybrid-UV drying system can quickly dry the paper, which can meet the requirements of fast delivery by shortening the entire working hours. Therefore, as the offset press also has the ability to quickly complete short-run jobs and meet the needs of short-run printing business, the obvious advantages of digital printing in short-run printing operations do not exist.
Today, due to the development and application of digital prepress technology, CTP technology, printing control systems, etc., offset printing has been digitized in many aspects. At the same time, after more than a decade of development, digital printing products are also close. The quality of offset printing. For example, Fuji Xerox's Color 1000 Presses color digital press uses a silicone-free, environmentally-friendly emulsion-polymerized dry powder that provides smoother tonal variations and sharper output image dots with a print resolution of 2400 x 2400 dpi. The addition of the “fifth color” transparent dry powder based on the traditional four-color toner increases the variety and variability of color matching, and can achieve special effects such as watermark, partial varnish and full-page varnish. The output makes it easy for users to create personalized effects, bringing more innovative applications and added value to customers. In another example, Hewlett-Packard's Indig0 7500 digital press has a speed of 120 pages per minute, and seven ink stations provide a wider and more accurate digital color gamut. The optional universal finishing interface enables workflow end-to-end End-of-line automation; and the speed of the HP T400 web color inkjet digital press reached 183 meters, minutes (5200 sheets of color A4 pages per minute).
Now let's compare offset printing technology with digital printing technology. It is not difficult to find that among the various features of digital printing technology, only variable data printing is a unique capability that offset printing technology cannot. This is because the offset printing must use the printing plate, as long as the printing plate does not change, the printed graphic will not change; and the digital printing will record the image to be printed on the roller with a laser beam before each printing, or pass Control the area where the printhead sprays ink so that the next print can contain completely different graphic information. Therefore, in the competition between digital printing technology and offset printing technology, the core advantage of digital printing technology is that variable data printing can be realized.
Traditional printing such as offset printing is aimed at the mass-produced, mass-demand printing market; digital printing is aimed at the personalized, on-demand production, and variable information printing market. Since digital printing has variable data printing capabilities not available for offset printing, it is impossible to prevent the development of digital printing by perfecting offset printing. Similarly, a large number of prints in the printing industry are not all variable data. Even for variable data printing, not every content is composed of variable data. Therefore, attempts have been made to completely replace offset printing by developing digital printing technology. In the foreseeable future, it may be half the battle. Therefore, re-recognizing the applicable fields of digital printing technology is conducive to clarifying the direction of technological innovation and is conducive to giving full play to the advantages of digital printing technology. At present, in the fields of direct mail products, bank statements, cards, and ticket printing, although the printing market has great potential, since only digital printing has the ability of variable data printing, no one competes with it and becomes a digital printing technology. The most common and fastest growing market. Based on the above understanding, we believe that: Digital printing equipment manufacturers should focus on technological innovation and improve the printing quality of new equipment, and should provide comprehensive solutions around the core advantages of digital printing technology to innovate and enhance functions, while developing low-cost toner and Ink, expands the range of materials for toners and inks to suit the needs of printing on different materials.
Printing companies should focus on the core advantages of digital printing technology, and actively expand the application areas suitable for digital printing, such as publication printing "on-demand publishing" short-run books, submissions, reprints; personal application of personal painting and calligraphy (photography , design) portfolio, personalized postcards, personalized invitations and invitations, high-end business cards, graduation commemorative books, graduation recommendation books, diplomas.
Printing companies must also innovate business models, promote digital asset development, establish data management centers, provide technical support and personalized advertising printing services for personalized marketing activities, expand simple printing processing into full-service, and expand service content and services. Ways to create value and gain greater profit margins.
At this stage, offset printing and digital printing should promote each other, complement each other, and develop hand in hand. Only in this way can the printing industry gain more powerful source power, further expand the printing market, and usher in a broader development space.