Printing equipment maintenance method
On each lithographic press, there are 125 variables that need to be controlled, so maintaining print consistency becomes a difficult goal. Excessive hardness of the rollers on the press may give you the following problems: large increase in tone value, uneven dot density, increase in mechanical ghosting, failure of color control, unevenness at the edges of the dots, blurring of the dots The granulation of the halftone pattern and the printing effect of the solid color block are not satisfactory.