engleski

Influence of the Electrophotographic Printing Units Arrangement on Back-trap Mottling

This work the analysis has been performed how different arrangement of applying the liquid EP toner can influence the formation of secondary and tertiary inking. Specially developed software enabled the exchange of the printing arrangement of the process inks. Twelfth different Indigo variations were obtained which were compared with the offset prints. The analysis was made by two devices: X-rite DTP 41, Personal IAS. The back-trap mottling is feature for multicolour overprint and the densitometry as the method, is suitable for the analysis of such appearances. The results are also presented in CIE colour space (CIELabΔ E2000). EP prints will be achieved if the lightest process colour (Y) will be printed first and the darkest colour (C) as the last one.

digital clor offset; personal IAS; CIE Lab Δ E2000; back-trap mottling

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