The future of soft proofing
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Soft proofing has the potential to reverse the way it used to control the press, but it depends on whether the printer will use soft proofing as early as possible. To explore this issue, a major topic at the Rotating Offset Association meeting last year (WOA meeting) was the soft proofing of printing. The following is the opinion of the chairman of the meeting on some issues related to soft proofing.
Essentials ‐ Color Management
In fact, soft proofing has nothing to do with proofing, and soft proofing is a category of color management. Like Marshall McLuhan Compared with the message, its importance is more related to the medium. Therefore, the author believes that soft proofing can be expected to arrange layout, measurement and change of image data for image data, which is more important as the reproduction of the final image. As a subject of color management, soft proofing is a new trend in the printing industry. In the printing industry, the rotating printing part first felt its power, because the market is most sensitive to market trends, and the image-based part of the industry is just right. in contrast.
What is the basis of the results of the above observations? First of all, in the proofing market, although cost is an important factor in printing, users have always placed the reliability and speed of color quality in the first place, and the cost is only second. Second, soft proofing has gradually stabilized one of the future proofing markets. Stock power.
The reliability of color quality is critical in terms of printing. Printing has been eroded by other communication technologies. However, since prints can deliver the expected quality for the end user, printing can continue to sustain and even continue to grow. If proofing is a color contract for the printing industry, the printing industry is a color contract used by other industries to communicate with its customers. If the printing industry continues to commit to providing such quality, the above statement will be established.
In addition, printers can now directly measure image data using a spectrophotometer, giving printers and customers more confidence in their results. In the past, the measurement method we used only increased the density and dot size, but it was not directly related to the color of the image. We print CMYK images to the correct density and dot gain targets, and rely on the press to translate and print the combined color effects. Now, we can measure the color of each pixel of the image. We should use this to define whether the image is printed correctly, and whether the density and dot gain have been delivered to the quality control instrument. In fact, the current plan is still on paper. During the Rotary Printing Specification (SWOP) Print Sample Certificate, it was found that the two images can be measured under extremely strict standards and still appear to be different. Color metrology is a big leap forward, but it has not really become a precise process. The industry still needs a clear definition of the "measured match" that can make good use of the spectrophotometer and enable printing to continue to win in other communication media with its high "quality" (formally defined as two quantities) Images with comparable data can be considered visually consistent).
How to integrate speed and price into soft proofing? If we can finally measure and ensure image quality, speed and price will become a driving force for changing print proofing. In the printing work, if the cost of proofing only accounts for a small proportion, the price will be relatively less important. As printing costs continue to fall, proofing costs are bound to decrease. The price at the beginning of proofing is extremely high, and the space for downgrade is enormous. In the past, proofing required thousands of dollars, and currently it still needs hundreds of dollars in some markets. The real reason is speed. The printing industry is inferior in speed compared to other communication media. The proofing process requires the actual image to be transmitted to the customer over an unacceptable distance over a period of time. Therefore, the pursuit of speed is to reverse the proofing industry, shorten the delivery time to an overnight driving force, and the cost will rise sharply in the market that advocates the principle of saving. In order to create the future, the proofing market needs a system that can provide quality products at reasonable prices without additional time.
Soft proofing is currently benefiting from the interlacing of different needs. Soft proofing provides real-time digital data transfer and enables the sender to check the quality of the recipient's output system in real time using the CIE Lab metrology method. This will enable customers to transmit verifiable color data in real time, and save time. Remote soft proofing will begin to challenge the reliability of shipping proofs. This is a very powerful concept.
Will traditional proofing be eliminated? In fact, soft proofing conveys verifiable color data out of the physical constraints of the proofing process. As long as it is connected to the new delivery system, most of the valuable evidence for proofing still exists (such as tangible color contracts, etc.). Only because the industry has reduced the delivery time to an overnight time without affecting the sample body, the transmission of color data can also have this advantage. Therefore, all types of proofing systems will still have their market. The best quality, speed and price will be the best, but they must be compatible with the new color data transmission mode. They must be driven by data, manage color, and match the measured color values at the time of printing, which is the best indicator of their reliability.
According to the above, does the author expect soft proofing to replace the hard proofing of traditional printing plants in the near future? Will the replacement of hard proofers win in the debate? The answer may be reserved, as just mentioned that soft proofing is primarily a verifiable delivery mechanism, not a final print of the data. In fact, no soft proof sellers have advertised their proofs better than other competitors. They emphasize speed, monitoring, reliability and ease of use, and they are pushing the market into a dead end. In order to succeed, they must work together to establish a color communication process that allows users of any system to collaborate with users of another system. If the printers can transmit the expected data, they are likely to continue to print hard proofs based on the data, because of their appearance and feel, but the premise is that soft proofing must be verified. However, even if the printer considers speed and cost when making a decision, they may still choose a hard copy as a record to protect their interests after making decisions on behalf of their customers. This situation must be maintained until the definition of "measured match" is fully defined, but the goal is far away.
revolution
In summary, soft proofing revolutionizes the medium, not the message (color measurement data can be used instead of density and dot gain to determine the quality, but the image still needs to be proofed). In addition, the revolution can bring results to the printing industry in the future.