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Christine Barratte, Jean-François LeNest, Christian Voillot, Jean-Claude Roux--The purpose of this work is to model the ink transfer, taking into account mainly the paper characteristics. Paper is known to have a major input on print quality. Especially surface roughness, compressibility, porosity and density variation influence directly ink distribution. The model presented takes into account paper properties locally. Paper structure is described by 3D matrix containing fiber positions. Each micron is tested to evaluate how the ink is transferred, absorbed, and spread. During the first step, in the nip, the ink is transferred where the paper surface under pressure is in contact with the printing roll. Then absorption and spreading steps alternate until ink immobilization. The resulted printed paper and the different steps are represented in matrix, and graphically in images.
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Ink Transfer to Paper Surface Model, 2000 International Printing & Graphic Arts Conference Proceedin
