Digital printing is often not recognized by everyone because of color management, print quality, and durability. Some people think that digital prints often shift during the production process, they are unable to perform color management, they cannot be matched with Pantone spot colors, and the areas with thick ink film are broken during folding. According to the latest technical report of the International Prepress Association (IPA), these criticisms of digital printing are actually misunderstandings. In many cases, digital printing can be comparable to offset printing, even in terms of color, print quality, and durability. Performance exceeds offset printing.
To unravel the mysteries surrounding digital printing, IPA Digital Printing Forum (IPA Digital Printing Forum) conducted a series of studies and compared the output quality of eight digital presses with Heidelberg XL105 sheet-fed presses. Digital presses participating in this comparative experiment include Kodak's NexpressS3000, Konica Minolta's bizhubPROC6500, Punch Graphix's Xeikon 6000 and 8000, and Xerox's iGen3.
Hewlett-Packard did not directly participate in the experiment, but North American Color and Cobher Press, two users of the HP Digital Press, provided the IPA with printing proofs of the Indigo press.
This comprehensive survey covers all aspects of digital print production, including the color, the variability between printed sheets, and the physical properties of the print, such as: abrasion resistance, crack resistance, and fade resistance. In addition, IPA also evaluated the printing speed of digital presses and the ability to meet GRACoL (American Offset Commercial Printing Specification Organization) standards during the testing process.
The IPA Digital Printing Forum evaluated for the first time in North America the deinkability and recyclability of proofs produced by different printing presses. They established a digital deinking and recycling laboratory at the University of Western Michigan in the United States and found that digital printing materials can be deinked and their paper can be recycled and used to make post-consumer waste products.
The study also yielded a very interesting result: high-priced digital printing equipment may not necessarily achieve higher print quality - although expensive printing units may have more data processing capabilities, faster speeds and More advanced post-press processing functions.
Image Consistency and Toner Cracking During the testing of image consistency measurements, a total of 1,000 printed sheets were printed and measured. The results showed that the ink density only showed a deviation of less than 0.1 in the digital printing process. In another test, people analyzed the darkest patches in the image and found Konica Minolta's printing equipment could print the darkest effect at an L* value of 6. In addition, the IPA staff entered the computer through the Pantone spot colors printed on the printing machine and found that both the digital printing press and the offset printing press matched the Pantone spot colors of 40% to 50%.
When folding an area where the ink coverage is high in a sheet, the performance of the digital sheet is almost no different from the offset proof. Digital prints are more resistant to problems such as ink film wear and tear that often occur during post-printing, shipping, and manual handling.
To unravel the mysteries surrounding digital printing, IPA Digital Printing Forum (IPA Digital Printing Forum) conducted a series of studies and compared the output quality of eight digital presses with Heidelberg XL105 sheet-fed presses. Digital presses participating in this comparative experiment include Kodak's NexpressS3000, Konica Minolta's bizhubPROC6500, Punch Graphix's Xeikon 6000 and 8000, and Xerox's iGen3.
Hewlett-Packard did not directly participate in the experiment, but North American Color and Cobher Press, two users of the HP Digital Press, provided the IPA with printing proofs of the Indigo press.
This comprehensive survey covers all aspects of digital print production, including the color, the variability between printed sheets, and the physical properties of the print, such as: abrasion resistance, crack resistance, and fade resistance. In addition, IPA also evaluated the printing speed of digital presses and the ability to meet GRACoL (American Offset Commercial Printing Specification Organization) standards during the testing process.
The IPA Digital Printing Forum evaluated for the first time in North America the deinkability and recyclability of proofs produced by different printing presses. They established a digital deinking and recycling laboratory at the University of Western Michigan in the United States and found that digital printing materials can be deinked and their paper can be recycled and used to make post-consumer waste products.
The study also yielded a very interesting result: high-priced digital printing equipment may not necessarily achieve higher print quality - although expensive printing units may have more data processing capabilities, faster speeds and More advanced post-press processing functions.
Image Consistency and Toner Cracking During the testing of image consistency measurements, a total of 1,000 printed sheets were printed and measured. The results showed that the ink density only showed a deviation of less than 0.1 in the digital printing process. In another test, people analyzed the darkest patches in the image and found Konica Minolta's printing equipment could print the darkest effect at an L* value of 6. In addition, the IPA staff entered the computer through the Pantone spot colors printed on the printing machine and found that both the digital printing press and the offset printing press matched the Pantone spot colors of 40% to 50%.
When folding an area where the ink coverage is high in a sheet, the performance of the digital sheet is almost no different from the offset proof. Digital prints are more resistant to problems such as ink film wear and tear that often occur during post-printing, shipping, and manual handling.
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