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Volume: 23 | Article ID: art00087_1
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Print Quality of Dry-Toner Color Electrophotography for Production Printing and Comparison to Offset Printing
  DOI :  10.2352/ISSN.2169-4451.2007.23.1.art00087_1  Published OnlineJanuary 2007
Abstract

One of the major digital printing technologies used for production printing is dry-toner electrophotography. The main technical challenge is print quality and many researches have been done to improve it in the recent years. In our study, dry-toner color electrophotography was compared to conventional offset printing. A Xerox iGen3 press and a Heidelberg Speedmaster press were used. The substrates used were different uncoated and coated paper stocks. The GATF 11x17 Four-Color Test Form was printed on the papers by both printing presses. Print quality, such as color gamut, dot gain, print contrast, and trapping, were evaluated and compared. Higher dot gains were found on Speedmaster than on iGen3 except for black color. Higher print contrast values were found for iGen3 than for Speedmaster except for black color. Wider color gamuts were achieved on iGen3 than on Speedmaster, especially on uncoated papers. With high print quality, it is expected that more production printing will be done by dry-toner color electrophotography.

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Renmei Xu, Hans P. Kellogg, "Print Quality of Dry-Toner Color Electrophotography for Production Printing and Comparison to Offset Printingin Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP23),  2007,  pp 378 - 381,  https://doi.org/10.2352/ISSN.2169-4451.2007.23.1.art00087_1

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