See also flatbed scanner and drum scanner. Score is a crease created in a printed sheet to make folding easier. Screen Frequency is the number of lines or dots per inch in a halftone screen. Sheet-Fed Press is a printing press that uses precut sheets of paper, rather than a continuous roll. Side-Stitching is a binding method in which gathered signatures are stapled through the side of the book block near the spine edge.
Signature is a press sheet folded for binding.
Spot Color is a color printed with a custom ink, rather than with a process color combination. Spot Varnish is a varnish applied only to parts of a page, usually to emphasize particular elements. Stochastic Screening is a alternative to conventional screening that separates an image into very fine, randomly placed micro dots, rather than a grid of geometrically aligned halftone cells. Stripping is the manual taping of image film into position on a flat for platemaking. Substrate is the paper or other material onto which an image is printed.