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CTP can handle a variety of printing methods, including business forms, brochures, contacts, documents, finance, newspapers, labels and packaging. In addition, CTP is also suitable for printing sheets and brochures. Since the CTP system is also suitable for newspapers and packaging printing, it is well known that these industries are mainly provided with advertising film. But thanks to Adobe's PDF portable file format and the Agfa Apogee workflow based on the PDF workflow, the supply of film is greatly reduced. For a printing plant that is confident and capable of working in an all-digital prepress environment, the CTP system is exactly where it should go. CTP also has many advantages such as sharpening halftones, better highlight effects, and clear detail in shadows. The CTP system also provides users with higher quality and shorter work cycle, which enables them to far exceed other competitors and remain invincible in the market. Implementing a computer-to-plate system to implement any new technology is a complex issue. It requires not only the purchase and installation of software and hardware, but also the addition of related auxiliary equipment such as digital proofing systems. In addition, it also involves many Organizational and human resources issues. The influence of CTP technology runs through every department, not only the prepress department must be competent for the filmless workflow, but also related to the platemaking department and the printing shop. CTP also affects the assessment, planning, and finance departments. How do market department personnel locate this new technology? How to sell sales staff? Does the customer accept digital proofing? Each member of the organization must be clear about his responsibilities in the CTP workflow. At the same time, managers also need to develop a comprehensive plan that includes the above issues. If you want to get the maximum benefit in the process of implementing CTP, and you have the fewest problems, you need to gradually increase the number and complexity of digital files processed. For prepress operators, this is the best way to get the expertise of the entire production process. The pace of slow growth can also reduce the financial losses caused by any mistakes. The basic requirements for the successful adoption of CTP technology What is the key to the successful implementation of the CTP system? Please look at the following points for more than two years to use the Postscript electronic prepress system. Experience: This experience ensures that prepress technicians are familiar with basic file processing and troubleshooting. More than half of the work required to quickly find and solve font issues, missing images, and poorly constructed files is Postscript or Postscript compatible File enough printing plate consumption: The realization of CTP system requires a certain amount of funds. The printing plant must consume a certain number of plates to get a corresponding return on investment. High-quality plate operations: The printing plant must ensure that the continuity of the quality of the plates does not exceed 4 colors, and the printing network is lower than 175 lpi. 6- 12-month digital proofing experience: Digital proofing is one of the most controversial technologies in the CTP workflow because it affects both customers and the press shop. Need to train customers and printing operators in various digital proofing technologies. Besides, the success of printing is also related to the company's technical staff. Their technical level and learning ability directly affect the speed of introduction of CTP. Companies need to do this. Technicians perform the necessary training. When the tasks handled by the server are very heavy, it is very important to increase the system administrator to ensure that the server and the network can operate normally. Since the CTP system affects the entire printing company, all departments involved need to carry out a series of adjustments and training. A step-by-step implementation of the CTP system allows printers to find their own path in the "digital highway". However, some companies do not have the ability to digitalize prepress work. This requires the completion of the following steps. The first step is to achieve a black-and-white and spot color printing system with small format (8-up). Need to be equipped with a PC or Mac workstation, black and white printer, RIP and winch imagesetter. The second step is to increase the color output. Need to install a color scanner, add workstations, color proofing equipment, Phototypesetter also need to be replaced with high quality drum phototypesetter. At the same time, employees of the company need to be trained so that they can master the relevant applications. After obtaining the basic Postscript output technology, the next step is to increase the production capacity by using four- and half-format large format imagesetters and increase the output from black and white and spot colors to four-color output. In addition, servers and high-speed network systems must also be installed to handle large amounts of data. The server can also share some tasks of the workstation to improve productivity, such as trapping, grouping, OPI and so on. However, these automated processes require electronic job ticketing systems to manage, such as the Agape company's Apogee production management system. Subsequent steps are for proofing and accurate color proofing equipment, such as Agfa's Sherpa. The last step is to install a direct platemaking machine such as Galileo or Antares. In general, it takes about two years from the complete absence of experience in electronic prepress work to the successful adoption of digital workflows and the use of computer-to-plate makers for stable, high-quality commercial printing. Of course, if you already have experience with electronic prepress, this process will be relatively shortened. Printing companies can also accelerate the pace of CTP through cooperation with prepress companies and export centers. Challenges and problems encountered in realizing the CTP system For the printing company's owner, the adoption of the CTP system will encounter some problems, including the selection of suppliers. Because CTP is a long-term investment, suppliers need to invest a certain amount of resources to continue to develop this technology, so choosing CTP producers not only means choosing a product, but choosing a partner. Many suppliers provide a platesetter, but components and consumables use other manufacturers. And what you need is a full-service provider that can tightly integrate front-end workflows, platesetters, plates, and rinsing processes. Plate and imaging technology is another issue that needs to be considered in implementing a CTP system. Currently there are four printing plate technologies to choose from: photosensitive resin plates (such as N90A), silver halide plates (such as Lithostar and Silverlith), mixed plates from the first two, and finally thermal plates, all available to users High quality printing effect. The problem of proofing in the realization of CTP system has become the most concern for printers. Because this change takes time, the printing operator needs time to learn how to match color proofing, and customers also need to adapt and trust digital proofing. There are two types of digital color proofing: halftone and continuous proofing. Each type has its own advantages and disadvantages, but after adjustment and management, it can produce accurate color effects. Agfa believes that although halftone proofing has its advantages, it is expensive (a fifteen to three hundred thousand US dollars a unit), and continuous proofing has the property of saving printing costs and is easy to use, so it will replace halftones. Proofing. Agfa offers a SelectProof proofing program that can transfer Postscript or PDF files to any proofing device. The ICC management system ensures consistent output. In addition to color proofing, page and proofing are also important, and printers should also consider carefully. Because CTP is a complex production process, it requires both professional technology and supporting software and hardware. Many manufacturers who use the CTP system to obtain a rich return on investment are because they have the relevant professional skills and work processing capabilities. On the contrary, it is very difficult to achieve success. Therefore, it is very important to train your employees and adopt a standardized production process so as to reduce errors and greatly increase production. Therefore, if a printer wishes to invest in CTP, he must have a thorough understanding of his company's productivity and profitability. A comprehensive review of the current work process and assessment of the technical level of individual employees can be used as a starting point. CTP is suitable for a variety of applications. It is particularly suitable for closed workflows where the front-end editing/authoring part and the back-end production part are tightly integrated. Therefore, at the same time, the CTP system is particularly suitable for printing plants that use digital data completely, such as form printing, financial printing, packaging printing, and general commercial printing. For newspaper publishing, CTP can be used for newspapers that use a fully digital editing process or pure classified ads. Magazine publishing is a more difficult application for CTP systems because it involves customer-provided advertising films. Others such as small and medium-sized commercial printers are also more difficult to adopt CTP widely because of the huge investment and insufficient digital file workload. They may consider using a polyester plate based economy CTP system such as Agfa's Select Plate. At different stages of the "digital highway", there will be different system configurations.
Computer-to-plate technology is not a new concept. In the middle of 1980, the first digital plate-making machine named Eocom was developed. The CTP workflow means that digital data is directly made into plates without the need for film. CTP technology benefits printers and their users. It can produce sharper points than traditional plates, speed up preparation time for on-machine printing, shorten the entire printing process from front-end to back-end, improve printing quality, and at the same time enable users to quickly obtain return on investment. The earliest companies that accepted CTP technology were among the best in the graphic arts industry. These companies are not only because they have abundant capital, but they also have the technical power to ensure that the work is completed smoothly and on time.