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There will be national standards for digital printing quality and proofing. From October 31 to November 2012, F. the test results can be output in Excel format. On October 1, the National Printing Standardization Technical Committee (sac/tc170) held the third working meeting of the drafting group of two national standards for digital printing, "digital printing quality requirements and inspection methods" and "digital hard proofing quality requirements and inspection methods" in Beijing. From Zhejiang Huahua Digital Printing Co., Ltd., Donggang Co., Ltd., Beijing Donggang Jiahua Security Information Technology Co., Ltd., Shanghai printing (Group) Co., Ltd., Beijing shengcaihong plate making and Printing Technology Co., Ltd., Beijing Beida Founder Electronics Co., Ltd., publishing School of Hangzhou University of Electronic Science and technology, Beijing Shimei times Technology Development Co., Ltd., and Fu Ying shutdown inspection; In case of failure during operation, it is necessary to inspect nearly 20 experts and technicians from Xerox Industrial Development (Shanghai) Co., Ltd., Ricoh Software Research Institute (Beijing) Co., Ltd., and people's education press

the meeting studied and discussed the technical content of the third draft of the drafting group of two national standards for digital printing. The meeting decided to modify the specific technical parameters of digital print quality, take the field density requirements as an informative appendix, and delete the density measurement method. The meeting also decided to modify the color difference, stability, color uniformity and other technical data of digital hard proofing samples, and believed that the image noise problem of digital printing should be related to the production demand of digital printing, and the specific technical data should be studied and determined. The meeting determined that the two digital printing standards will hold another small expert meeting as needed to determine their specific contents, and then solicit the opinions and suggestions of relevant drafting units to form a standard exposure draft. The fourth draft of the standard drafting group draft is scheduled to be completed by the end of January 2013, the special fixture for friction pairs

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