The development trend of HP proofing market - digital proofing becomes the best alternative to traditional proofing

At present, CTP (Computer-to-plate computer direct-to-plate) wave has arrived in the era of digital printing in the global printing industry. CTP technology has become an inevitable trend in the prepress industry. In recent years, the printing service market has undergone great changes. The increase in the number of work orders in the market The reduction in the number of prints per order requires a reduction in the printing time, which makes traditional proofing methods face more severe challenges. The lengthy proofing process of traditional film making and printing is difficult to adapt to the increasing printing demand in modern times. Manual operation and chemical proofing are not only time-consuming and expensive, but also the printing colors are in an unstable state. Actual printing and printing colors are often large In and out. How to print the most documents in the shortest time 7 How to use the most advanced technology or methods to improve or replace the traditional proofing digital proofing - an emerging alternative to the traditional proofing the best solution has been more and more people's attention .



Digital proofing: replacing traditional proofing has become an inevitable result of digital proofing. What are the advantages of digital proofing compared to traditional proofing? What is the difference between it? We know that digital proofing is after the emergence of large-scale electronic imposition systems. With the maturation of image data technology becoming more and more mature, proofing has begun to develop. The so-called digital proofing is a kind of proofing technology that directly outputs digital manuscripts after digital manuscripts are processed in electronic publishing. It uses digital format printers to directly output proofs and replaces traditional lengthy proofing techniques such as film making and sun proofing. Process. Compared with traditional proofing, digital proofing has the following concerns.



First of all, in terms of quality effects, the color stability and objective analysis can be very unstable. If the same film is used for proofing, the print results are often not the same. Digital proofing is very stable with automated imaging. Of course, if the equipment quality is not good, such as the ink plug is often blocked, it will also cause instability. Traditional proofing is due to the fact that the reliability of the film is consistent with that of the print. Digital proofing can use the same set of RP calculations if it has been removed from human factors by the RP.



Secondly, in the aspect of cost-effectiveness, it mainly depends on the investment cost and income status. In this respect, traditional proofing is inferior to digital proofing. Since the same production capacity is used to calculate the investment of two sets of four-color proofing traditional equipment within one hour, four sets of copying machines are required to provide the matching printing equipment, plus the required staff and considerable investment in the plant. It takes about 2 million RMB. The investment in digital proofing will not exceed 1.5 million yuan. The extra labor will be close to zero. In general, the return on investment for digital proofing can be much higher than traditional proofing.



Finally, in terms of performance, it mainly depends on production speed, multiple simulation capabilities, and multiple format capabilities. The speed of digital proofing imaging is fast. Common printers on the market can complete a high-quality half-page layout within 20 minutes. Traditional proofing generally takes 30-40 minutes. The color gamut expressed by most digital proofers (that is, the full range of colors that a device can express) is richer than ink. Rich color gamut with good color management software enables digital proofing not only to simulate the effects of prints but also to simulate other effects. The production effects such as screen printing digital printing ink-jet posters and the like can even simulate the performance under high-speed rotary printing presses to better meet the needs of increasingly diversified output in the market. The digital proofing system not only can simulate the color effect of a certain output medium, but also can automatically adjust the color of the image in the file according to the needs of different outputs so that the operator does not need to modify the truly automated workflow. All of these are not completed by traditional proofing.



Support common tools for digital proofing

Although digital proofing has many advantages, it can not be separated from the specific hardware and software support. With the rapid development of digital printing technology, large and diversified companies have launched their own technologies and equipment, especially the large-format printers necessary for digital proofing, to meet the needs of the environment. In the domestic printer market, there are many types of printers that can be selected but the products that really meet the unique needs of the digital proofing business are not many. This is because

At the time of printing, we must achieve high speed while ensuring the high quality of the output screen and realize the organic unity of speed and quality.



The largest typical printer in the current large format printer market is HP's HP DeS. Gnjet 5000 large format printer series products. The speed is due to the use of the more advanced Jet EXPress technology (more than 512 nozzles per printhead) and the revolutionary 25mm wide printhead is the first professional large format printer with production speed. In terms of color, this series of printers uses six color inks (CMYKcm) and color layering technology to achieve a real practical six-color ink printing and 1200dP. Printing. This comprehensive speed and quality greatly improved the long-term large-format printing The "inertia law", in which the speed and quality of the field cannot be simultaneously improved, achieves a true "quick-speed" all-round capability.



In terms of software, it is necessary to mention that the corresponding latch software P has more RIP software on the market but it can be tailored specifically for digital purposes. For example, the software is based on the Harmonuln RP OEM product of the backbone PDStSCrlPtLanguage Level3 standard built-in 7lCC color management system to ensure that the digital proofing sample achieves the true reproduction of the color simulation of the printing ink.



Therefore, before choosing the digital proofing system, everyone should clarify their own requirements and choose a digital proofing system that is not accurate or priceless.



As the saying goes, the arrival of the digital age of heroes has made us feel like another heroic age has come. With the increasing development of computers, the improvement of people's work efficiency makes people pay more and more attention to the results of their work. This is highlighted by the beauty and learning of the printing industry. In the pursuit of color in the United States to meet the people's pursuit of truth is now.



Why do I need proofing? Because of the need for communication and confirmation. In the aesthetic world of input and output, we don't want the design to be too far away from the finished product. So proofing became the best pre-test step. Originally, computer-to-plate (CTP) should replace the traditional proofing method. However, CTP cannot provide the flexibility of the traditional plate-making process. For example, manual correction of typo and partial plate-changing are used to hinder the development of CTP. But for

The development trend for proofing is computer-to-plate (CTP has a reliable digital workflow that properly handles the process from designer to printer and eliminates the cost of imaging directly on the plate.



In fact, traditional proofing has many advantages, such as proofing color simulation ability is close to printing real products. In particular, traditional proofing has absolute apprehensions in the network simulation capabilities. However, digital proofing is far ahead of traditional proofing in terms of stability, production speed, and cost of use. For example, digital proofing is far more costly than printing inks. No need for experience or artificial interference with automated imaging can be very stable. In particular, the use of a set of RIP data to do proofing and plate making will be more stable.



Compared with traditional proofing, digital proofing reduces the multiple manual steps of traditional proofing. Not only is it fast, time-sensitive, and reproducible, it avoids many of the limitations of traditional proofing, such as excessive reliance on the environment for temperature and temperature requirements. It is difficult to maintain the same experience with multiple proofs. While traditional proofing can only be used in film-based processes that cannot meet the requirements of the CTP process, digital proofing can be used in both film and CTP processes.



The Application Prospect of Digital Proofing Using Color Management Technology in Production Process

With the advent of the computer-to-plate era and the development of digital devices, digital proofing will further threaten the status of traditional proofing. Because the digital proofing program eliminates the influence of human factors and other external factors, the stability of the 7 proofing output is greatly improved. It greatly shortens the proofing process; when asked, it can significantly reduce the cost of proofing because it can be modified in a digital way. This program has successfully solved 7 problems in the traditional production process, such as long production period, unstable proofing, and high costs, leading to a new revolution in the printing field.



At present, digital proofing has been widely used in developed countries such as the United States and Japan. Due to the restriction of many conditions, digital proofing has not yet been fully promoted in China. However, some users have begun to use digital proofing in pursuit of speed stability and cost effectiveness. Especially for high-end users, although the above three advantages cannot fully satisfy them, color quality is their most important requirement. It is with these users' strict

It is required that digital proofing be gradually popularized as an emerging technology, which is of great significance to improving prepress work efficiency and customer satisfaction. It can be said that digital proofing has a broad market application prospects. Digital proofing will replace the traditional proofing situation. More and more, digital proofing in the publishing and advertising industry will be even more demanding. Therefore, digital proofing instead of traditional proofing will certainly become a new trend in the proofing market.

It can greatly improve the color quality and stability of color jobs.



And digital proofing is also very cost-effective to invest in, and can know the effect in advance. The most important thing for digital proofing is color management. First, adjust your printer. Some goals can be light powder, matte powder or newsprint. After measuring, you can use RIP to meet the requirements of actual drafting. Therefore, digital proofing is also much cheaper than traditional proofing in terms of investment costs.



Digital proofing has a variety of simulation capabilities such as screen printing, digital printing, inkjet posters, etc. It can also simulate the performance under high-speed rotary presses to better meet the needs of increasingly diversified output in the market. At the same time, digital proofing also has a variety of format capabilities; in addition to the digital proofing system that can simulate the color effects of an output medium, the color of the images in the file can be automatically adjusted according to the needs of different outputs so that the operator does not need to modify it. Realize automated workflows. These features of digital proofing are the ones that are lacking in traditional proofing.



Digital proofing has been applied in some layouts. For example, in the advertising company users, they have strict requirements on the effect. Each layout usually needs to be modified several times in the production process. This type of users has started to use digital proofing as a proofing call ESTPROOF. In the process of modification, the use of digital proofing is not until the modification is completed and then the traditional proofing is not only convenient to repeatedly modify the ills, and can save the proofing cost. Therefore, digital proofing is bound to replace most of the traditional proofing work methods. Existing digital proofing technology has met most of the general users. They mainly seek speed stability and cost-effectiveness. At this point, digital proofing is obviously more worrying than traditional proofing. But for high-end users, they are more concerned with color quality. It is precisely because of this that today's digital printing technology has developed almost omnipotent technologies and equipment to meet different market needs. In other words, a set of approved digital workflows will certainly replace the existing traditional production methods. To use digital workflow, you must solve the following problems: digital proofing, computer layout, production efficiency, flexibility of modification, cost, trapping, and film. Solving these problems is as early as choosing an easy and affordable digital proofing to help your job.

Problems.



In the current proofing, digital proofing can be divided into designproof proofing (corlourproof) according to various effect requirements. For these effects, we need to consider three factors when choosing a competitive print product.



One is the print quality which must be carefully chosen. The second is the flexibility of media and ink. They tend to affect print quality and are service.



Taken together these three factors In the current digital proofing application example, Hewlett-Packard's HP Designjet 5000 large-format printer has been widely recognized by the industry for its fast print speed and relatively low use cost. The HPOesgnjet 5000 series of Elf machines includes HP Designjet 5000 and HP Designjet 5000PS models HP Desgnjet 5000PS fully equipped

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