Glossary beginning with O

Glossary of Print Terms

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O

Overprinting

Printing an image over an area that has already been printed. Overprinting is what allows process printing to create the whole spectrum of colors using only process colors. Overprinting also allows for the creation of rich black.

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Register Marks

The printed marks used to align color separations for printing so that each color registers with each other. These marks are printed using all the color separations of process printing so pressmen can check and adjust the alignment of each plate.