Some blame the ink/fountain solution balance for allowing ink to accumulate on the blanket outside of the stock area. Even the slightest incompatibility results in small ink deposits outside the paper area that are then transferred to the impression cylinder and cured when the UV light hits it. If this ink is left there for a few jobs, its physical height can damage the blanket. So how do you remove that baked-on ink? Popular (albeit time-consuming) methods involve alcohol and Scotch Brite pads, blanket wash and steel wool, methylethylketone, razor blade and solvent, acetone, and methylene chloride.
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