Digital proofing and related equipment

Since simulation proofing can simulate the actual printed dot structure, it has long been the first choice for printing. Since analog proofing began six years ago, it has gradually withdrawn from European and American markets, and later digital proofing has dominated. The time is not short. The reason why this happens is because at first, new technologies are available everywhere, digital proofing. Also silent in these technologies. As if Ebb Tide, this year's digital proofing has finally come to the fore.

In a domestic survey, more than 80% of enterprises have expressed approval for digital proofing. Compared with the domestic market that has not yet been popularized, the potential for digital proofing development cannot be underestimated. A recent survey by the American Printing Technology Foundation (GATF) shows that 88.1 percent of printers believe that the development momentum of digital proofing in the next 12 months is irresistible, and only 2.8% believe that there is a possibility of reduction. In addition, two-thirds of people stated that they would invest more in digital contract proofing. Enterprises with sales of less than US$5 million are more likely to adopt digital contract proofing, and even 87.5% of people clearly stated that they have plans to purchase.

The reason why digital proofing can be widely accepted is because digital proofing equipment has developed rapidly in the past few years, and its types and capabilities have become more and more complete. Analysts in the United States believe that the first two years of the emergence of new digital proofing schools have continued to emerge. Last year, Star Digital proofing was widely used.

unique advantage

Proofing is not only a way to obtain approval from customers for printing, but it is also an important reference factor in prepress and even printing. As the printing process progresses, contract proofing that accurately reflects printed information and can express halftones and dot details becomes more and more important. As far as printing quality is concerned, it is as important as color management systems, various standards set in production, and production quality control systems. Due to different customer requirements, the form of graphic combinations is ever-changing, the cost varies, and the special requirements of some prints. The requirements for proofing are also quite different. In fact, there is only one general request: to obtain customer approval, not to lose customers because of the quality of proofing, over time of proofs, or excessive costs.

Now that the customer's prepress products are almost entirely digitized, some parameter settings (such as the CMYK value setting) are necessary to ensure the correct output of the printed product. Therefore, a systematic analysis and sorting of these data will effectively ensure the consistency and continuity of print quality. For digital proofing, acquiring these data and making related settings is a breeze, while improving efficiency and reducing consumption. When receiving the customer's manuscript, the proofing can be as simple as a PDF document, complicated as "virtual" proofing, and this "virtual" proofing solution Imation has introduced and promoted on this year's Print01. Although virtual, after proofreading, these proofs realistically simulate the four colors of the CMYK of the real print on the screen.

CTP is the driving force

In the beginning, printers in the United States were worried that customers would have concerns about digital proofing, but in fact they found that the printers themselves were the most worried. This is because only the printer knows best what has changed and which ones have problems in printing. The customer is satisfied with what is in front of him, and he is willing to hand it over to the printer to continue to do it. As for the specific form of expression, they do not care and are not very clear.

This is particularly evident on the rotary machine. The simulation of a huge wheel turning to digital proofing will not return to the old road. Because CTP is widely used throughout the world, especially in the United States, it has become an irreversible trend in printing. This has played a very big role in the development of digital proofing to a large extent. To support CTP, digital proofing machine is also more than adequate. According to sales staff of PolarProof proofers, so far no return has appeared.

The CTP of the enterprise has naturally led to the move from analog proofing to digital proofing. In the United States, there is a small printing company called Seiz. There are 4 Heidelbergers, 100 employees and the service is for Atlanta. After the company adopted CTP, it began to consider the use of digital proofing. Originally it was to install a digital proofing machine capable of imitating 8 pages of simulation proofing. This would eliminate the need for excessive training of employees and later discovered the fullness of Creo Victory is a good choice. In 1999, they bought two TrendsetterSpedtrum digital proofers. The company said that if you don't tell customers that this is a digital proofing, no one knows which way this is done. The only flaw was that the substrates of the Spectrum digital proofers were not actual printed materials. Later, they found the Imation company's Matchprint material; this problem was solved. Now the company's simulation and proofing rate is only about 1%. The company believes that although the current digital proofing cost is higher than the analog proofing, digital proofing reduces the manpower and film and shortens the turnaround time of the work, compared with investing in digital proofing.

For large US companies, acceptance of digital proofing is fast. When Nuley Company took the lead in adopting digital proofing on a gravure web printer, it was promoted on offset web transfer machines. In 1991, when Nuley installed the first Kodak Approval Proofing System, up to now, the system has installed 15 sets.

The latest digital proofing equipment

As for investing in digital proofing, several popular and up-to-date digital proofing machines are available here, hoping to give some references to domestic professionals when they plan to market.

Inkjet Printers

Agfa launched the 43-inch and 62-inch Jet Sherpa Inkjet Proofers in 1999. More than 3,500 have been installed worldwide. In 2000, it also developed a 24-inch Sheroa Xiaomo proofer. Today, Agfa's proofing system has formed a complete proofing workflow, including hardware, software, quality control, proofing consumables, and color management systems.

On Print 01, Agfa exhibited the highly automated SherpaMatic reel proofing system. Previously, there were many quality problems with Xiaomao proofing. This proofing system has already overcome many defects caused by traditional inkjet proofing. SherPamatic has a resolution of 1440×1440dpi, 16 print heads, and can print up to 8 colors. It is a product that can guarantee the contract proof quality and high-speed production capacity, as well as a good price/performance ratio.

Epson introduced the Stylus Pro5500 proofer. This proofer is a Stylus Pro 5000 upgrade. With the on-demand inkjet technology, it is the first time that it has the ability to present the final print shop. This model is expensive, with a system of around $200,000. The StylusPro 5500 inkjet proofer uses Epson's latest Archival ink. It is reported that the device has excellent stability; the error rate is almost zero within 24 hours after the start of work. Epson's Archival Ink has a wide range of colors, and its quality is comparable to offset printing.

The Stylus Pro 10000 is Epson's latest wide-format inkjet proofer, also using Epson Archlval ink, capable of printing on 44-inch wide substrates including paper jams.

Xiao-Ming Proofing is the largest and fastest-growing area in the world, and the ink-jet contract proofs from DuPont, Epson, Hewlett Packard, and Iris are all very close. The main question now is how to tie in with color management software to make it more effective.

Typographer

DuPont introduced Color Mastery color workstations at PRNT 01, including DuPont DigitalWaterproof and cromalin DigitallGeneralion digital proofers. The high-quality inkjet printing engine, wide color ink and various types of proofing media they provide constitute the industry's superior color digital proofing system.

WaterProof is a continuous tone inkjet proofer launched by DuPont this summer. The thermal WaterProof is a CTP system with halftone dots. WaterProof can proof with extremely high resolution, can show the subtle level that printing needs, this can't compare with the traditional analog proofing system of the emperor. Since WaterProot can proof the actual printed material, the color of the print and its influencing factors can be seen at a glance, and the WaterProot proofing machine can also double-draw and proof-cut, fold and bind the proofs, and polish the proofs until the final product is formed. Even check creases and edges.

Dot proofing

Fuji introduced the PictroProof two-page and four-page proofing system, which can produce contract proofing halftone dots.

Another company that has been in the field of proofing for a long time - Imation Corporation continues to introduce new products. Imation's core business is color proofing. Imation believes that the development of proofing technology is led by infrared thermal technology. Their Matchprint Digital Halftone Media has more than 460 installations, and the company's next step is to link Matchprint to more platforms. For example, the Xerox DocuColor 12 is equipped with a Matchprint professional server, and recent two-, four-, and eight-page proofing driven by the Matchorint Inkjet software.

Spot color proofing ability

In the past two years, Kodak Polaroid has improved Kodak's Approval to proofing system and launched the new Approval XP proofing system. Now the system has the ability to spot color proofing. The award-winning Recipe Color software, together with ApprovalXP, can output millions of spot color proofing. By adjusting the density of the colors, it is possible to obtain solid, halftone, and two-color, and even metallic colors on the same proof. In addition, this model is twice as diverse as Approval in terms of beam size and proof size.

Predictable proofing

Last year, Polaroid introduced the Prediction proofer. Prediction proofing machine uses Polaroid laser ablation transfer technology, with two-page half-tone proofing capabilities. The Polaroid Dryjet system is available in two- and four-page models that simulate printing using paper and ink for actual printing.

In January 1999, Eastern Rainbow and Souhegan Color merged into Vermillion. The newly established company has always been a test site for high-tech. Polaroid Prediction proofer testing is done here. The company's president said that the two-page Predict proofer can output 10 pages per hour and its degree of automation is higher than the PolorProof proofer (a Polaroid earlier than a digital proofer). Just enter the 44-page electronic file and the Prediction proofer will be able to complete The rest of the work. The company said that if the customer uses PolarProof proofing, the plate-making time is about 15 minutes, but if you use analog proofing, the plate-making time will exceed 90 minutes.

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