Comprehensively understand the on-demand printing of digital printing

I. The meaning and characteristics of POD The on-demand meaning of print-on-demand (POD for short) refers to the "customer's demand for product quantity and production cycle", which is based on market needs. The equipment and process for satisfying on-demand printing can take a variety of forms. In the past, it was mainly done using traditional printing methods and was called "short-run printing." This is mainly done with digital printing equipment.
Compared with traditional printing methods, on-demand printing has the following characteristics:
1. On-demand/variable printing means that the quantity can be changed as required, and each page is variable in content.
2. Remote printing and proofing, printing and proofing through the Internet.
3. Achieve filmless direct platemaking technology.
4 waterless offset printing, no need to consider the ink balance, the environment temperature and humidity is easy to control, printing quality is good.
5. Electronic files are easy to save and can be used multiple times.
The three basic elements of on-demand printing are:
1)Whenever, that is, information that can be printed at any time, tomorrow or in less time, can be printed today;
2) wherver, any place can be printed, the same information can be printed on the spot in different printing plants at the customer's location, eliminating the need for print transportation;
3) Any Quantity, no matter how many prints, as few as one, more than one thousand, even more print can handle.
Second, the market position of POD products In the United States, the digital color on-demand printing capacity in the year 2000 has reached 54% of the total color activity, the first time in the short-run color live in the mainstream market threatens the traditional offset press. The popularity and development of digital color printing should be attributed to the continuous maturation of digital printing technology. The demand for consumables is getting lower and the cost is greatly reduced. For example, in 1994, the A3 size of A3 format was 0.55 cents, and by 2000, it was reduced to 0.1 cents. This is the main reason why digital printing coloring can capture mainstream printing jobs.
In China, according to the majority of color printing plants, more and more color jobs with a total number of 3,000 or less are being printed. Some people took Beijing as an example. In 2000, there were more than 500,000 trading companies and companies in Beijing, and more than half needed to print colored product brochures and related promotional materials. On an average basis, each house is calculated in 50 copies of 10 pages each, with a total output of 1,250 million copies and an output value of several hundred million yuan. The demand for printing on demand spreads across major shopping malls, restaurants, and restaurants. For example, the introduction of performance characteristics of various commodities, recipes for restaurants, restaurants, recipes, invitations, and so on. Some people calculated the individualized invitation cards for the newly married couple in Beijing each year. Taking 84,000 new couples in 1998 as an example, each pair is calculated on 50 invitations, if there is one third of the people Print personalized invitations, the total output of 1.4 million, each 6 yuan, the output value of 8.4 million yuan, 4 yuan per gross profit, profit 5.6 million yuan.
According to expert analysis, the future on-demand printing market generally includes the following major areas:
(1) E-commerce market, such as various manuals, commercial advertising conference materials;
(2) Product personalization services, such as providing personalized brochures and product descriptions for certain commodities, providing one-on-one services for customers;
(3) For the company's services, for example, providing different advertising, packaging and promotional materials for different customers.
(4) Online publishing The above four major areas have a huge market space in China.
Third, the choice of equipment and processes On-demand color printing according to market demand, can be roughly divided into two types: one is the color of the following 3000 copies of the same content of these prints, the printing time is calculated in days; the other The print volume is small and the personalization is very strong. The printing time is calculated in hours.
In the two situations mentioned above, the following printing methods are recommended.
The first way: using DTP system color separation laser phototypesetter output film, and then proofing, printing. This method is the shortest printing method with the lowest cost in China.
The second method: scanning, color separation, editing, typesetting using a DTP system, and outputting on any one of a zinc oxide plate, a water-based plate, sulfate paper, or a special film base coated with a hydrophilic layer using a 1200 dpi laser printer Printing plate, the printing plate is directly hung on the small offset printing machine to print the text or image. The advantage is that there is no need for film and less investment. The disadvantage is that the image quality is not high, color images need to be overprinted, and the overprinting of the monochrome offset printer without side and front gauges is not allowed.
The third way is: using a digital printer. This method still requires a scanner or a digital camera to capture the image, and then sends the captured image to a computer for color separation using image processing software (such as Photoshop) and graphic imposition and page design software (such as PageMaker). Editing, retouching, page designing, etc., and then transfer the graphic information to the digital printing press to output the color print. Here are several high-speed, high-quality, high-efficiency digital presses.
1) Manroland Thermosetting DICOweb Press
DICOweb is the first device in Manroland's DICO series of digital presses. It brings with it three new concepts: new imaging technology, variable-format and flat-bed design.
Imaging Technology: DICOweb's imaging management technology enables three fully automatic adjustments for imaging, adjustment, and image removal, enabling automated job conversion without plates, reducing costs Platform design: To maximize flexibility, DICOweb's platform With a new design. First, the modular structure makes it possible to add new features in the future. The pre-configured interface makes it simpler, faster, and cheaper to add new features than traditional printers. Secondly, Manroland separately processes the software, imaging technology and mechanical parts of the equipment. When it is necessary to upgrade one part of the equipment, there is no need to change other parts.
Variable format: DICOweb uses a sleeve design, roller independent drive and roller bearing linear displacement technology, can change the distance between the drum, through the use of different specifications of the version of the sleeve and the blanket sleeve, easy to complete the print format change.
2) Heidelberg DM9110 digital printing machine The digital design of Heidelberg DM 9110, the open operating platform, the short-cut paper path and the structure of the design principle of the conjugate offset press make it very user-friendly in terms of print quality and operational efficiency. What is unique about DM9110 is:
Excellent image quality: LED distortion-free writing technology, GRET patent grayscale enhancement technology, digital ink writing technology, and a more compact imaging carrier.
Open data format with a high degree of flexibility and security: Open operating platform can achieve job printing on all Windows, MAC platforms, digital DM 9110 can be compatible with a number of third-party software, optimized delivery paper design guarantee High-speed operation of printing production: vacuum suction technology, automatic positioning technology, diskless double-sided technology, efficient paper path design, large-capacity paper box, and professional post-press processing capability: Digital DM 9110 was designed at the beginning, ie Consider various special printing needs. There is no decrease in speed when printing A3 format, online printing, online minimum binding, and inserting pages.
3) HP Indigo Digital Press
Platinum Platinum is HP Indigo's newest color digital press that uses Image Tracking technology to achieve up to six color printing, producing high-resolution images and highly uniform tone matching in the field.
Platinum Platinum has the following features:
Use liquid ink. Its small particle size, the formation of more clear and full dot, the image has a high degree of edge sharpness, the ink layer is relatively thin, combined with the paper, can fully reflect the characteristics of different substrates.
Wide color gamut, certified by Pantone, Platinum Platinum offers optional 5th, 6th or even 7th color configurations in addition to CMYK standard four-color inks, providing white, fluorescent and other spot color inks.
· Can adapt to more types of substrates: coated paper, offset paper, stickers, transparencies, plastic film and so on.
Platinum Platinum adopts ITT laser imaging technology. The core of ITT technology mainly includes two aspects: First, the laser that describes the image is increased from four to twelve. The laser density used to form the image is increased, and the resulting image is clearer. The accuracy is also higher; the second is to improve the accuracy of the laser scanning dynamic control, and the scanning speed of the image can accurately match the rotation speed of the imaging drum.
4) Fuji Xerox Docucolor 2060
The Docucolor 2060 is a new generation of digital presses from Fuji Xerox using the Fiery EX2000d raster image processor (RIP), an accurate register system, TRACS (toner copy auto-tuning) technology, trickle-add development technology and patented digital imaging. Leather and BeltNip fixing technology, output at 60 pages per minute. The Docucolor 2060 color digital printing system not only shortens document production time, but also comes with an optional large-capacity paper tray and full configuration of large-capacity stacks. The Docucolor 2060 can run automatically for hours without a duty.
The Docucolor 2060 has a wide range of paper handling capabilities, capable of handling 64-280 g/m2 paper and super large format (320*488 mm) paper, producing full-bleed color documents.
It is worth mentioning that the quality of the Docucolor 2060 color digital printing system is almost comparable to offset printing.
5) Océ DS8000 series products 100-star Océ digital printing products provide users with typesetting, printing, cutting, and binding automatic assembly lines. The DS 8000 can be used for stand-alone or dual-sided duplex or single-side printing, as well as dual-color overprinting. Its printing speed is 290/470/700 pages per minute A4 format. With continuous print speed upgrade feature to adapt to the user's continuous business development, the company uses the world's leading laser imaging technology (LED PLUS patent protection), also has a unique built-in environmental protection system, continuous supply of non-stop consumables, low printing cost and other unique features. Prisma POD data processing system has superior performance in the dynamic layout of electronic data, personalized production, and networked on-demand printing.
The fourth way: Use a color laser printer with a price of around 50,000 yuan. It is basically the same as the principle of the structure of the color laser printer, but the printing speed and quality are slightly different, so the color laser printer can be used as office and printing industry.
This printing method is suitable for color products with low investment and fast effect. For products with small print and strong individuality, such as color business cards, wedding invitations, color manuals, and product descriptions, etc., they have good economic benefits and can be recovered in a very short time. There are many color laser printers. Here are the highlights.
1HP8550 color laser printer HP laser printer is known for its stable and reliable performance. Its print speed is 6 pages per minute on the A4 single side, 3600 pages per hour. The main advantage is that it has a wide range of adaptability to printing paper, and any offset printing paper can be used. The cost of printing an A4-format color print is about 2 yuan. HP has a comprehensive pre-sales and after-sales service system throughout the country. Each is priced at about 50,000 yuan, with a maximum output width of A3.
2EPSON8200 color laser printer The maximum print format A3, the printing speed color 4 pages per minute, unlimited printing paper, where offset printing paper can be applied. With four kinds of toners: cyan, magenta, yellow and black, the cost per page of A4 color printing products is about 2 yuan and the selling price is about 5 million yuan.
3MINOLTA company QMS6100 color laser printer The machine prints the largest format A3, color printing 6 to 12 pages per minute. Can print 60 ~ 163g/m2 of various types of paper, can double-sided printing at the same time, support Colorsync and WindowsICM and other color management technology. Each priced at 5 million.
4Xeikon CSP320D color laser printer The printer's maximum print format is 320mm x 470mm, the printing paper thickness range is 80 ~ 300g/m2, printing speed is 1024 sheets per hour on one side of four colors, and 960 sheets per hour on both sides. With network printing function, allows users to print graphic information in any place through any computer on the network. The price is more than 100,000 yuan.

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