An Empirical Study and Analysis of Mottling Effect on Various Substrates under Different Printing Processes

Pages:158-161
Anjan Kumar Baral and Rajendra Kumar Anayath (Department of Printing Technology, GJUS&T, Hisar, Haryana and TITS, Bhiwani, Haryana)

Print mottle is without doubt one of the most important factors regarding visual impression of print quality in any printing system. It is usually the result of uneven ink layer or non-uniform ink absorption across the paper surface and it is more prominently visible in middle tone images or areas of uniform colour such as solids and continuous tone screen images. Print mottle is one of the problems which affect the final print quality to a greater extent. It is required to print photographs with high sharpness and consistently from the very first print to the last print. Mottle pictures can also be observed visually and hence it needs utmost care and attention for enhancing the final print quality.