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Standardized color management method and device for packaging and printing paper

A packaging printing and color management technology, applied in printing devices, printing, etc., can solve the problem that the color gamut is smaller than the standard color gamut, etc., and achieve the effect of expanding the printing color gamut

Active Publication Date: 2022-06-24
深圳当纳利印刷有限公司
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Problems solved by technology

[0010] In view of this, the present invention addresses the deficiencies in the prior art, and its main purpose is to provide a standardized color management method for packaging and printing paper, which can effectively solve the color gamut range of the existing single-powder cardboard during normal printing. Significantly smaller than standard color gamut issues

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  • Standardized color management method and device for packaging and printing paper
  • Standardized color management method and device for packaging and printing paper
  • Standardized color management method and device for packaging and printing paper

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Embodiment Construction

[0058] The invention discloses a standardized color management method for packaging and printing paper, which includes the following steps:

[0059] (1) Standard proofs for printing:

[0060] Take the standard paper 128g space shuttle coated paper;

[0061] Follow ISO 12647-2:2013 standard, adopt Fogra51 data target;

[0062]Measurement conditions: M1, White Backing, D50 / 2;

[0063] Ink: Four-color ink meets ISO2846-1 standard;

[0064] Environment: temperature 22-25℃; humidity 55-60%;

[0065] The IT8 color gamut guide table is laid out on the test layout, and the P2P table is used for data acquisition; the color control bar and image are used for reference and reference to the main standards and control points before printing: the restoration of the dots on the printing plate is 1%-99%, and the printing plate The dot error between the dot restoration and the original is ±0.5%; the position of the color control bar must be perpendicular to the printing direction; the main...

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Abstract

The invention discloses a standardized color management method and device for packaging and printing paper. The method includes the following steps: (1) printing a standard sample; (2) printing against a sample; (3) formulating a color gamut improvement plan: Analyze the color gamut difference combined with the evaluation of PressSIGN software, through the following steps: (3.1) Set the dot shape by pre-press; (3.2) Set the compensation curve by pre-press publishing; (3.3) Use Kodak Prinergy Harmony software to convert Y version to Published compensation correction output data for shallow screen tone; (3.4) Adjust the hue of C M ink; (4) Use the G7 method to print the new single-pink card color gamut proof after the implementation of the measures; (5) The new data is used for modeling. By adopting the method and device of the invention, the printing color gamut is enlarged by more than 25%, and the printing effect is closer to the standard printing effect, so that the standard draft of the designer can be reproduced in the single-pink card packaging printing to meet the needs of use.

Description

technical field [0001] The invention relates to technology in the field of printing, in particular to a standardized color management method for packaging printing paper. Background technique [0002] In modern society, the growth of packaging printing has exceeded that of book publications. Due to historical reasons, the standards of all designers, publishers and printers are formulated in the environment and process of books and periodicals. Taking the printing international standard ISO12647-2 as an example, the listed papers include coated paper (coated paper), uncoated offset paper and newsprint. However, the single-powder (coated white cardboard) paper, which is the most widely used in packaging and printing, and the coated gray cardboard have not developed corresponding standards. [0003] As can be seen from Table 1 and Table 2 below, due to the paper hue (yellowish) of the single-powder cardboard, the data such as ink overprinting does not meet the standard ISO126...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M1/14
CPCB41M1/14
Inventor 朱海远唐俊辉
Owner 深圳当纳利印刷有限公司
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