Digitalization changes the printing environment (below)

Rely on DDCP to solve the problem of CTP In the process of using CTP to carry out the work, the subject left is color proofing. The system that people expect as a means of rationalization is DDCP. There are dot-level hierarchical types and continuous type adjustments. As the high-end DDCP for reproduction sites, Fujifilm's FinalProof 5600 and SpeedProof 8000 are available. Final Proof corresponds to B2 specifications and can be transferred to regular printing paper. Because of the use of pigments that are close to the printing ink, there is the same level of reproducibility as printing. The Digital Consensus of the Konishi Six Corporation is a DDCP that can directly obtain high-quality proofs from digital data. Similarly, Color Division can also reproduce similar print hue and faithful printing dots. KodakPolychromAprolvalXP4 is A2 specification. In the use of newspaper dot-type high-end DDCP, from thin newspapers to thick corrugated paper. The range is very wide.
Regarding image processing, the CDF page number data is intended to respond to changes in page units. PDF and intermediate format workflows have been used. To treat the output of the imaging machine and DDCP on the plate, it has been advocated that one RIP corresponds to One RIP. The solution.

Relying on CIP3 to share data is like the demand for orderers with high quality, variety, color, small batch, and short delivery time tends to diversify. In order to satisfy these requirements, a sheet-fed printing press has been equipped with a printing plate replacement machine, a printing plate replacement device, and a printing machine for automatic facilities such as a pre-inking system. The double-sided machine can print on both sides of the front and back side of the press once the paper has been printed. The economic benefits of saving manpower, reducing production time, and eliminating the need for reversing the paper make the automation around sheet-fed presses more fulfilling. direction.
Recently, the major move around the printing press is CIP3 (Co-operation of Integration for prepress, press, post press). According to this, the standard format specified by CIP3 is a PPF (Print Production Format) file. The goal pursued by CIP3-PPF is the sharing and effective application of digital data, so that the prescribed data format will be converted into an international standard specification. Once it is used, the pre-adjusting ink of the printing machine can be automatically adjusted according to the original, and the registration can be adjusted automatically, which can greatly shorten the preparation time before printing.

Manufacturers have all announced CIP3 converters in succession, but Heidelberg first took the lead in coping with the binding process. Japan Komori Corporation promotes PCCIV as the PPF conversion system. It started with PPF data as CIP3 conversion software and converted it into a unique intermediate format to PCCIV. The software converts to area ratio data using ultra-high systems.

Mitsubishi Heavy Industries proposed the digital workflow built on the press through the CIP3. As for the basic principle of the PPF output of the printing project manufacturer, which is flexible enough to deal with everything, the company has connected and expanded the file converter, color management device, and operating system IPC of the main printer. IPC is a system that centralizes management of all information in print jobs. For the original mechanical operation, various functions such as production management, relay management, quality management, network, fault diagnosis, and maintenance support are loaded. The OS side uses Windows NT and the network uses EtherNet. IPC Server, CTP, etc. are easily connected to the network around devices such as prepress equipment and tone management systems.

In order to promote the CIP3 solution to CIP, Fujiwara Corporation in Japan advocates the use of CIP stations to accept PPF data in order to simplify the use of PS and paper pre-inking. Some companies complete the digital workflow from DTP to printing by using a four-color double-sided dual-use machine equipped with a thermal CTP. Among them, a unique system that can interface with PPF data that responds to CIP3 is built. While being able to take a quick start, it can adapt to market opportunities.

Ryobi Imagics also developed a Windows NT version of the ink calculation software for PPF files. This software calculates the area ratio of printed images while outputting to the imager on the polyester substrate. The calculated data is recorded on a floppy disk and transferred to the printing system of the Ryobi vertical printer 3304H or the horizontal printer 520HX series. The preset ink fountain opening can be completed, which greatly shortens the preparation time before printing. Tian Tian Printing Machinery Co., Ltd. also proposed the ACC software that passes the CIP3Server ink key data from PPF. Kovando developed an ink remote control device that responds to CIP3. In the proposal of digital workflow with CTP as the core, it incorporated CIP3, which is an effective system for the use of offset printing presses.

Digital presses have emerged with regard to digital presses. Heidelberg is divided into a formatted DI system and a non-layout digital printing system (ie, on-demand printing). The SpeedMaster 74DI is a full-color digital offset printing machine incorporating the SpeedMaster SM74 with the direct imaging technique established by the QuickMaster DI46-4. The imaging device equipped on each roller can form an image on a direct imaging plate. Using Process Piate without development, image creation was completed within three minutes. From the change of version, to imaging, printing, changing the time of work, only 10 minutes. The preparation time is shortened to the utmost extent, and it can correspond to many varieties and small batch production. Crco’s patented Square Spot thermal imaging technology is used on the imaging device to achieve high-quality images with a resolution of 2400 dpi and 175 lines of screens. 4, 5, 6, color machines can be installed on the PS version or CTP version, can adapt to a variety of work.
The digital imaging system True Press co-developed by Dainippon Screen and Sakai Image is a single-sided two-color machine for A2. According to the high-speed feeding using the double-diameter cylinder printing mechanism, 8,000 sheets per hour are printed on one side and two colors are converted into one-sided monochrome, which becomes a high-speed printing of 16,000 sheets per hour. A series of operations is automatically completed, eliminating the registration work of printing plates. In addition to two-color machines, multi-colorization of four-color machines, six-color machines, etc. is also planned.

Akiyama Press Manufacturing Co., Ltd. is developing a DI system J-DI based on the non-reversible double-sided printer Print with the United States Presstek. This is an imaging device mounted on the upper and lower sides (front and rear) of all printing units. The plate was a laser-peelable type thermal plate that did not require development. A reel version is incorporated in the plate cylinder and a take-up method is used.

In the non-layout aspect, there are Tarpo Stream, a successor to Toyo Ink's E-Print, and Ultra Stream, which handles 7 colors. Tarbo Stream is equipped with special Japanese specifications such as Japanese 5 fonts, double-sided printing, and electronic page layout. Agfa's ChromaPress 50i is A4 positive and negative, because the use of web, can be long-length printing. After the RIP corresponding to Postscript3 is loaded, higher processing power and higher speed are achieved. SakataInx's Xeikon DCP500Expartplus is an expandable, flexible, highly productive A2 system. With electronic layout, RIP after the page number, long-length printing, to adapt to a variety of materials and many other features.

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