


Volume 20 No 20 (2022)
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Exploring Various Possibilities for Enhancing the CMYK Primariesof Different Digital Printing Presses with Reference to non-ISO Cellulosic Printing Substrates
Manoj Kumar & Anjan Kumar Baral
Abstract
There are four primary colours; Cyan (C), Magenta (M), Yellow (Y), and Black (K), denoted as CMYK colour model used in the printing industry for the printing applications and mixing of subtractive colours to create a wide array of colours, for the reproduction purpose. Each of these primary printing colours are related to the maximum amount of printing ink in a particular inking unit or channel. With varying applications of these four primary colours, a wide range of possible colours can be produced in the final print output. Enhancing the CMYK of the printed colours is one of the important characteristics to maintain the colour gamut of printing process and in recent times the print consumers are demanding for an increased colour gamut.
Digital printing; dry toner based, liquid toner based, and inkjet printing techniques are getting wider acceptance in the printing industry for their quick turnaround time, print-on-demand, low level of material wastage, consistent colour quality along with personalization characteristics. Along with the regular ISO specified papers, there are other papers also which are being used by the digital printing for printing a wide range of jobs as per the demands of the print consumers. In this research work, various possibilities are being explored for enhancing the colour gamut of non-ISO papers when they are printed in different digital printing engines.
Keywords
Primary colours, CMYK colour model, ISO papers, Digital printing, coated paper, uncoated paper, Colour gamut.
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