When an uneven penetration of printing ink is especially pronounced this will become visible after the back split process occurs as an uneven print reproduction.
Offset printing machine ink.
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When used in combination with the lithographic process which is based on the repulsion of oil and water the offset technique employs a flat image carrier.
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Offset printing as a development of lithography q v is based on the principle that water and grease do not mix so that a greasy ink can be deposited on grease treated printing areas of the plate while nonprinting areas which hold water reject the ink.
Offset printing is a commonly used printing technique in which the inked image is transferred from a plate to a rubber blanket then to the printing surface.
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The problem of a cloudy printout manifests itself in the greatest variety in offset printing.
Ink rollers transfer ink to the image areas of the image carrier while a water roller applies a water based film to the non image areas.
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Offset printing technology uses plates usually made from aluminum which are used to transfer an image onto a rubber blanket and then rolling that image onto a sheet of paper.
They must be able to withstand reaction with the press fountain solution it encounters on the dampened offset plate.
It s called offset because the ink is not transferred directly onto the paper.