Different models of printer characterization are based on the assumption that the primary colors are additive in general. However, there are many reasons for which additivity failure occurs. In this study, it has been observed how the additivity fails in two or more color combination of subtractive primaries. The interaction of ink and paper are very much complex with many parameters like light scattering and halftone structure and these play important roles in the additivity failure. In the present work, the spectral curves of two and three color combinations are obtained. The spectral characteristics of paper and how it affects the additivity is studied. The experiments are carried on ink jet and electrophotographic printers. The spectral measurements are taken with the help of Spectroscan spectrophotometer. The results show that there are significant additivity failures in combination of subtractive primaries. A model of printer characterization is suggested incorporating the additivity failure characteristics.
Swati Bandyopadhyay, Tapan Paul, Sivaji Bandyopadhyay, "Studies on Additivity failure of subtractive primaries for Digital printer Characterization" in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP22), 2006, pp 367 - 369, https://doi.org/10.2352/ISSN.2169-4451.2006.22.1.art00013_2