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I. Introduction
Digital technology has revolutionized the entire printing industry, graphic communication, and even human life, daily life, action, communication, education, work, entertainment, or other needs. One day, digital technology is used to make "blind people see" 1. "Deaf people can hear" is no longer an extravagance. For the printing industry, under the wave of digital transformation, the three contents of text, graphics, and images exist as digital files, and the texts use their own code files. Taiwan uses Big 5 big five codes and China uses them. GB national standard codes, Japanese have Wapro text codes, etc., the graphics exist as vector graphics files, and exist as straight lines, semicircles, arcs and adjustable Bezier curves at each node. Image files still basically exist as dot matrix files or compressed dot matrix files. Although there are different formats and different ways of expressing each pixel, the basic principle is that the entities form lines one by one, and the lines and lines form the image screen. Consistent. Due to the development of DTP software, text, graphics, and images have been edited into a page technology, which has been used by many large design companies, personal studios, pre-press, and printing plants. Due to the development of computer technology, the sporadic page information files can be combined and output in large format in order of page order. This can be used to copy the electronic screen output image, photograph and complete the text and graphics files in the past, use manual collage and then copy it into a small version, and then follow the printing origami process to complete the large version of the collage. Now Not only need not consume a lot of labor, multiple manpower and materials, you can accurately arrange the pages in accordance with the page order and layout in one step, and output them on the large-scale printing negatives, and then further replace the negatives with high-sensitivity plates. The CTP computer directly outputs the printing plates, and the files with the digital information flow CIP 3 / CIP 4 JDF are generated. This process has greatly compressed the pre-press process, and is more in line with the green demand of the printing industry for environmental protection and waste reduction. The CTP platemaking has no negatives, so the use of large-scale digital inkjet for proofing results in the possibility of large-scale poster output operations, or the use of toners, electronic inks, and other electronic imaging printers can also produce a small number of digital production. The establishment of color stability and color management system is smoother and more perfect.
Second, inkjet printing
More than forty years ago, the initial inkjet was only continuous with very thick dots per 6 drops of ink. It was used in the outer row of wooden boxes and cartons. Now it has reached 4880dpi, which is one-third of the original ink droplet diameter. The volume of each drop of ink is only one part in 27 million, which is about one hundredth of the size of 200 lines of dots. It is difficult to see the dots on the photo paper with a magnifying glass. Today's large-scale outdoor posters, large-size indoor posters, various publicity, decoration and industrial use inkjet, the UV or Latex inkjet used can be sprayed on most media, such as Riso's new DRHIS spray on paper Ink machine, A4 150 sheets per minute, all have 600dpi resolution, printing costs are relatively cheap, becoming the new favorite of the office and cram school. The inkjet head can be used for local data printing on printing presses or processing and binding equipment to increase the added value of variable data. The Kodak Versa Mark new generation inkjet printer can print 300 meters per minute at 600dpi on 460mm wide paper, which is equivalent to A4 2,400 pages, and Océ's high-speed inkjet also achieves A4 2,200 pages of color Inkjet capability, HP's Web Jet Press dual engine achieves A4 2,600 pages per minute printing capability, and the screen also has a TP Jet 520 high-efficiency inkjet printer, which is the current high productivity of toner printers. Moreover, these inkjet heads adopt wafer technology, and their speed and resolution process are as fast as semiconductor technology. The multi-application of inkjet media, not only for visual functional printing, but also for the distribution of some industrial electronics, semiconductor technology manufacturing and materials, it can produce another level of applied production methods. [next]
3. Controversy among hundreds of electronic imaging printers
This was developed by Mr. Carlson of Xerox, a full record company seventy years ago. It uses charged imaging to neutralize the non-printed part of the charge after exposure. The remaining charge can be adsorbed by toners of different polarities for visualization. Transfer to the printed paper. The previous photocopying used the light reflected from the original to neutralize the electric charge. Now, laser light and a whole row of LED light are used to neutralize the electric charge on the non-printed part of the OPC organic photoconductor. Imaging engine unit, directly transfer CMYK four-color toner on printing paper, or indirect toner transfer through flexible transfer belt, which can cope with rough paper surface and also prevent OPC from being directly early due to direct contact with printing paper damage. When it comes to color electronic imaging printing technology, the 1993 British IPEX93 Birmingham Printing Machinery Exhibition is a new beginning. The Belgian Xeikon color control DCPI has double-sided, ten OPC imaging rollers, and the color toner printer in roll form is available. Agfa also used the same engine to develop Chromapress, which is also a double-sided 5 + 5 printing method. In addition, Indigo was invented by Dr. Lander Dr. Landa, an OPC imaging cylinder, which can be printed one color at a time. The P-1000 electronic ink printing machine can print up to four colors in four times and reach seven colors at most, and it has blanket transfer and is close to lithographic printing quality. The Indigo machine that has been acquired by HP today has reached a peak in quality and efficiency after the 7000 model came out, and it can do roll-to-roll printing of plastic materials, which is very advantageous in application. From Xeikon to D-8000, the efficiency reached a production capacity of 220 pages per minute A4, but the improvement is still limited.
Today, the toner digital printing equipment still has the most types of full recording and Fuji full recording. There is the latest generation i Gen 4 in Zhangye paper feeding, 110 sheets per minute A4 printing capability, and there are DC-8000AP and 5000AP high-end models. Fuji Quanlu launched the C 700 type Japanese toner digital printer, which passed the German Fogra color certification. In high-speed roll-to-roll color toner printers, Xerox 490 is a single machine, and X 980 is a combination of two machines to form a front and back printing. In the high-speed toner printing, it can compete with the full recording is the German Océ company, Color Stream 10000 type, which is upgraded from the single-color, two-color and three-color CS-9600. It adopts the double transfer tape system. The ability to print pages. Océ ’s sheet-fed digital printer CP 900 uses the world ’s first seven-color color development method, so color toners do not overlap much. Green is generally yellow 100 + blue 100, plus some magenta and black. CP-900 only has green ink. Just add a little black ink! So the speed of A4 has 35 frames per minute. Both Quanlu and Océ have high-efficiency black-and-white roll-to-roll inkjets, which are faster than color. In addition to Fuji Xerox, color toner printers in Japan, Ricoh Ricoh, Canon, Konica Minolta, OKI, Toshiba, Olympus and other companies have toner list machines with a maximum of 70 to 90 A4 printing capabilities per minute, which is available at the bottom. There are toner printers with 30, 40, 50, 60, etc. speeds, with entry models ranging from more than 300,000 yuan, 7 to 800,000 yuan, more than one million yuan, and so on. If the high-end single-sheet paper is priced from 6 million to 25 million yuan, a price-performance market with a disproportionate capacity and price will be formed. If you buy a high-end color printer that prints 80 sheets of A4 per minute for 6 million yuan, why is the highest-level printer of the same brand asking for more than 20 million yuan, 3.5 to 4 times more expensive, but the speed has increased from 80 to every 110 sheets per minute, the production capacity is only 40% more. The manufacturer only said that the more than 20 million yuan equipment is industrial grade, and it can withstand 24-hour operation without quality changes. However, unless the business is very determined, everyone will not dare to rush to introduce such a good model, spending 500,000 to 600,000 yuan. The advanced machine that prints 4 to 50 sheets per A4 of the buying department should be used first, and it is not too late to get up to the top before upgrading. Anyway, the money left is still very easy to use. You have to wait until you find out clearly.
4. Market first, equipment first
I believe that for those who have existing printing plants, output centers or other printing design related people, from the concept of plate printing production and want to enter the plateless printing production market, we will temporarily lock the investment amount at more than 10 million yuan, otherwise it is difficult to calculate the purchase of one Market and investment and return model of flagship devices such as i Gen 4 or HP Indigo P 7000. Below 10 million yuan is also divided into several levels of machinery and equipment. The first is to look at the network capabilities, because in the future these printing devices will only work in large companies or conference centers. In addition to the internal network system to print the content of the workpiece, there may also be prints from domestic and foreign networks. On the basis, there must be a certain bandwidth for Internet reception and transmission, otherwise it is not likely to accept external files and lose business opportunities. Large-scale printing equipment itself generally has enough server capacity, and only cares about the bandwidth arrangement to achieve good transmission efficiency.
Many things belong to the prepared person. A person who has to start at a high speed must squat down to have a high-speed starting momentum. It is a little too late to buy a machine before waiting for a customer, or to find a customer to come home because it is too late because of modern equipment. The effective lead time will not exceed one year, so it is necessary to study to a familiar level first, and then introduce it in the market with 30% to 40%, and then add a little bit to it, it is possible to reach 50% to 60% basis to maintain the initial operation Level, otherwise it can only reduce some of the money to buy advanced equipment, spend a little more time to produce, and wait until the business is enough to upgrade. And the price of 15 A4 color laser list machines per minute is 400,000 and the 4 million machines bought only have a capacity of 60 sheets per minute. It is not only 10 times the capacity of the machine that costs 20 million to buy. Only 110 sheets per minute. It is not five times the production capacity of 4 million yuan equipment, so the gap is RIP interpretation and servo capabilities, and more importantly, the printing price per print produced. The lowest-level machine is five times the high-end equipment, and the manufacturer has also opened up There is a gap in the market for equipment. Otherwise, if you buy five or ten advanced models, the production capacity is also very large, and the purchase price of equipment is rather low. If you have been waiting until the price is reasonable to intervene to buy equipment, security is safe enough, but it often loses the market opportunity, so do it while learning, do n’t invest too much money at once, just as Deng Xiaoping said The method of "river" is to walk along the river bed and only take a few steps to swim across the sag to maintain good physical strength. Many people want to take a step forward in the printless printing market, and there are not many successful cases. Most of them are those who have basic jobs, such as bank and card issuer bill printing. One day when the Internet transfers POD to each other to print on demand, this era After that, performance may have a chance of rapid growth.
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