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What we are talking about today is how we should use digital proofing to maximize our strengths and strengths in our work.
If workers want to do something, they must first sharpen their tools. I will use HP10PS as an example to illustrate:
HP10PS Six-ink Inkjet Speed: Best Mode 4mpp (A3+ Size)
Media type: proofing paper, paint, gloss, backlight, opaque, vinyl paper, etc. Media size: Up to 13 x 19 inches Minimum 3 x 5 inches Interface: Parallel port, USB, Network port (20PS only)
Volume: 442.23×723.92×223.16mm (length×width×height)
Weight: 12.5 kg Power: 100-240V
Power consumption: Maximum power consumption 65 watts Environment range: Operating temperature: 15 degrees to 30 degrees Operating humidity: 20 to 80% non-condensing.
In terms of advertising company design work, first a design sample may have to be released twice a film four times before finalization for discussion and discussion with customers. It does not include the easy draft here. In the past traditional proofing of these steps was unavoidable and necessary. The process of traditional proofing is already well-known to the public and not much to say here. With the "digital proofing" work has become very easy.
What is the process of digital proofing?
Transmission - (PC, MAC) Software Interpretation Data Computer 10PSRIP Output Client, Printer (PS, TIF, JPEG, BMP) (Unique Color Curve)
HP10PS has a new closed-loop color calibration system and built-in color sensor that automatically adjusts the output to compensate for color inaccuracies caused by unfavorable print conditions, materials, or environmental conditions to achieve a preset color profile. Consistent, to ensure that the output color of the data file is accurate; HP's "Photo Manipulators" all use the new six-color ink system with outstanding effects, including light blue, light magenta, and cyan, magenta, yellow, and black, so printable A wider range of colors for more accurate color reproduction; HP10PS applies HP's new high-performance print head, the first print head with up to 304 nozzles, droplets only 4 picoliters, combined with HP's unique color layered printing Technology, with resolution up to 2400×1200 dpi, perfect reproduction of every detail and extreme vividness of color tone; HP10PS also has specially designed high-quality media specially designed for proofing, HP matte or glossy proofing paper makes the effect of output Can really mimic the offset effect. All of these features ensure complete program management with full color management and accurate color output.
Transfer the final draft to the computer that is connected to the proofer. After determining that the file is correct, that is to say the file to be used is a file that the proofer can accept, and the file is the final manuscript. In the HP10PS proofer output, in the past two years because of digital proofing in the country is still a new thing, after entering the Chinese market did not play its main advantages. Professional personnel analysis has been developed in the international digital proofing color matching is based on European standards and does not include the standard of the existing printing factory in China, that is to say, we did not integrate it into the Chinese market when we introduced its hardware equipment. The only thing I use is system. At that time, it was only a single hardware platform. Over time, it was unable to adapt to the development of digital proofing, but also affected its development and promotion in the country. Then HP and Rainbow Company developed a color curve (color management). The color target is the advanced color testing tools, printing equipment and proofing RIP applied by HP and Rainbow Dijet. After two years of experiments and explorations, combined with more than ten years of experience in traditional plate making and proofing, the company has introduced innovative printing products suitable for domestic printing. The digital proofing color management data package, combined with HP's latest 10ps graphics color inkjet printer, and IT8.73.928 color blocks as color targets for color measurement, it basically covers the common color printing, digital proofing The degree of color reduction is measured with its measured parameters.) This problem was finally solved.
For those who plan to purchase prototypes and have purchased, users should pay attention:
At this stage, China's printing industry is not unique to printability. The inconvenience brought to digital printing, which requires us to master the quantitative and variable. Here, the variable refers to printability: speed, pressure, imprinting, and humidity, ink, and ink are affected by factors such as the surrounding environment. The inevitable is that no matter how confident it is, designers must carefully select the corresponding parameters for digital proofing HP10ps, including ink, paper, precision, and print curves. This curve is not the curve of the proofer. Instead, HP and Rainbow Dijet provide different combinations of different papers, different inks, different equipment, and different colors in different environments according to Chinese users. Corrected digital proofing curve. Based on this status quo, Rainbow Dijet has developed a CMS component for the rainbow color management system used by domestic users.
The rainbow color management system CMS uses the ICC standard to manage the gamut space of different devices in the workflow, and consists of three parts: one is the device-independent CIE reference color space; the second is the device's ICC profile PROFILE; and the third is The color management module CMM in the management process. Among them, the color management module CMM is the core, it is the use of professional digital proofing software combined with other color management software, fine-grained data integration of color space conversion. These data are concentrated on commonly used printed materials and processes in the country, and are subjected to a large number of in-depth color space model experiments under different production conditions to simulate the printing and proofing results, so the data is accurate and comprehensive.
When rainbow color management system manages the color of proofing, it usually goes through the following three basic steps:
One is to generate an ICC profile that reflects proofing or printing characteristics. For traditional proofing or printing standard ISO IT 8.7/3 color block diagram, rainbow ink control data management standard, software PrintOpen (or ProfileMaker, ColorFlow), and spectrophotometer X-rite DTP-41 (or GretagMacbeth SpetroScan), Generate ICC profiles that reflect printability.
The second is to generate an ICC Profile that reflects the characteristics of the color printer and the printer paper used. For color printers that print ISO IT 8.7/3 color block diagrams without color management, the same software and the same spectrophotometer are used to generate the printer's ICC Profile.
The third is color gamut conversion. The ICC Profile of printability and the ICC Profile of the printer are used in the digital proofing software, and the data conversion of the color space is performed using the HP Dijon Color Management Module CMM, so that the image and the corresponding printability of the image printed by the HP printer are printed out. The standard proofs achieve the same color.
Due to the adoption of HP Dijet's color management data integration technology for 10ps, once the proofing and coloring files (ICC files) are determined, the proof color of each image is determined and the relevant steps can be followed.
10ps graphics color inkjet printer process is stable, to meet different environments and different needs, after the finalization of the design of the customer after the use of digital proofing can not save a lot more than a small fee. It is repetitive and high but it is not error prone. And remote proofing. Modern technology has greatly shortened the distance between people. This can also save a considerable amount of chauffeur fees.
After many efforts, digital proofing is now quite mature. Through the formulation and popularization of regulations, we can finally turn the cumbersome work into something new. Making digital proofing can break the convention and create a touching color.
Plate making, proofing, printing. It is a traditional printing process. With the rapid development of digital and electronic technologies and the wide spread of new technologies such as technology and workflow in the printing field, the printing industry is now experiencing a new bright spot, "digital proofing."
December 23, 2023