The quality of digital printing and offset the gap is narrowing – digital printing press, offset printing – Printing Industry
Editor's Note: At the recent IPA Technical Conference, we have many digital printing machine Heidelberg XL105 seen, can be reached with the print quality comparable to offset.
Often, as a color digital printing Management, print quality and durability issues and get our approval. Some people think that the digital shift often occurs in the production can not, the Color can be managed, not with the color and the Special thick ink Film breakdown of the region in the folding and other issues. International Prepress Association (IPA) Report of the latest technology: the people of the digital printing of these criticisms are actually misunderstanding? In many cases, digital printing and offset printing may be similar to even in color, print quality, durability and performance more than compensated.
For the solution around the digital side of secrecy, conducted IPA Digital Print Forum (IPA Digital Print Forum), a number of studies, and eight digital press and Heidelberg XL105 compared output quality sheet-fed. Participate in the comparative are attempts of digital printing: the company Kodak NexPress S3000, Konica Minolta bizhub PRO C6500, PunchGraphix company Xeikon 6000 and 8000 and Xerox iGen3.
HP does not directly This experiment involved, but HP digital presses in the two users? North American Color and Cobh Press Inc. Indigo presses for the IPA offers print documents.
This comprehensive overview of all aspects of digital print production, including the color, and print runs between the variability of physical properties, such as: wear resistance, crack resistance and resistance to fading. In addition, IPA also test the process of digital printing speeds and reach GRACoL (U.S. Commercial Offset Printing Standards Organization) standards of competence assessed.
IPA Digital Print Forum in North America for the first time can generate different printer the evidence of deinking and recycling assessed. They Western Michigan University in the United States set up a digital color and digital printing and recycling of laboratory Materials can be found in deinking treatment, they can also recycled, made from post-consumer waste.
The study also has a very obtained interesting result: high prices of digital printing, the printer can not get in a position to higher quality? Although expensive printing unit can more data processing power, The faster speed and advanced finishing functions.
Toner image of consistency and the collapse Conformance test for the image of the test process, it Printing and measuring a total of 1,000 sheets. The results showed that the density in the digital printing process, there is only less than 0.1 deviation. In another test, most people found on the dark color image analysis blocks that Konica Minolta Printing Equipment enough value in L * 6 Print out the most dark effect. In addition, IPA staff through Printed Pantone spot color printing in the computer and found that digital printers and offset press is the 40% to 50% match of the Pantone spot colors.
Ink on one requirements in the higher regions of collapse coverage, if the performance of the digital almost no difference between the proceeds offset evidence. For often finishing, Transport and handling of the paint film occurs when wear or loss and other issues, digital printing has a stronger resistance.
Digital offset printing surface than the surface of the product has a better wear resistance. During the test, only one device from the evidence printed ink film off phenomenon occurred. In a further attempt to prolonged exposure through evidence against them under the anti-light light resistance evaluated.
Digital Press Users can always try their to use production to match a particular color image data. Digital press manufacturers should develop to create a device capable of any kind of ideal color system? This understand printing service providers, the process and maintain toner mixed with neutral gray of the utmost importance. These suppliers and living conditions, each are giving GRACoL or SWOP standards, but they must want their output color management system to improve. About the Author
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