Problems and Thoughts in the Application of Digital Printing Workflow
First, the status quo of printing digital workflow
Although the domestic printing production process has experienced the development label of CIP3/PPF for nearly 10 years, it has entered the stage of CIP4/JDF, but the development of printing industry in China is still very slow. Relevant information indicates that the printing enterprises adopting digital workflows in China are basically in the transition stage from traditional analog production processes to digital production processes, represented by large book printing and printing factories, commercial printing factories, and large-scale plate-making companies and publishing house output centers. The application of these enterprises' digital workflows is mainly concentrated in the prepress stage. Some printing companies are extending the process to print RIP, focusing on ink quantity control, and lack of systematic and in-depth research on equipment and technology for establishing and developing digital processes. Actual exploration is also needed. The current digital level in China determines the unique way of digital workflow in China's promotion and application. Some advanced printing companies aim at achieving CTP output, starting with digital folding and printing, and digital printing in China. Digital proofing, PDF output, color management, digital process management, network transmission, and finally digitalization of the entire process; and some printing companies with less technical content should use digital workflow based on imagesetter according to their own situation.
Second, digital workflow application
There are two modes of digital workflow for promotion and application in China. One is the long-distance digital workflow, which is CIP3 workflow; the other is short-distance pre-press digital workflow management, which includes three main methods: The CTP-based digital workflow, the second is based on the large-format laser imagesetter digital workflow, and the third is the digital process software + CTP + CTF hybrid operation mode.
1. Long distance digital workflow
This process is a CIP3-based full digital workflow that combines high-precision color digital image acquisition, processing, image and text, digital proofing, output film or direct plate making, data transfer, printing and postpress finishing. Together, automate and integrate jobs. The entire workflow of CIP3 enables the digitization and integration of Prepress, Press, and PostPress. CIP3's all-digital workflow has high efficiency and good product quality, which marks the printing industry entering a new stage in the digital age.
However, the current status of the printing industry in China is that the CIP3 workflow is difficult to promote and apply in actual production. For example, lack of funds, a set of software and hardware equipment that match the workflow, its price is expensive, Shanghai Hongjing, generally several hundred thousand yuan; lack of digital management experience, domestic enterprises' data, standardization, standardization ability is still weak; The equipment is old and complicated, and most of them do not have a CIP3 interface. It is difficult to fully apply digital workflows and so on. Therefore, inkjet, CIP3 full digital workflow is difficult to operate, which is one of the biggest difficulties in promoting the application of this new technology.
Therefore, if the entire information management system of the printing enterprise has not reached a certain level, it is difficult to achieve a fully digital workflow. But we must also see that it is the direction of development, so printing equipment, qualified enterprises should be implemented first. Fortunately, many well-known developers at home and abroad have launched a set of unique solutions to create conditions for enterprises to implement CIP3 full digital workflow from a technical level. The application of this process will become more and more extensive.
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