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Quality Comparison of HP Indigo to Offset Lithography

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HP Indigo press with liquid toners is marketed as a digital press with offset print quality. This study was to compare the print quality of HP Indigo 3500 to Heidelberg Speedmaster CD74. The parameters studied were color gamut, mottle, line resolution, dot quality, and tone reproduction. Printing was done on gloss coated paper with each press. The parameters were used to compare the quality quantitatively. The results showed that HP Indigo 3500 press produced decent print quality. The line and dot resolution of such press were not as competitive as those of conventional CTP offset lithographic printing. Due to the different colorants used in the printing processes, the color gamut produced by HP Indigo 3500 was smaller than the one produced by offset lithographic printing when four process colors were used.

Document Type: Research Article

Publication date: January 1, 2009

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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