Gang, Gang-Printing, Gang-Run

To reproduce two or more different printed products simultaneously on one sheet of paper during one press run. Also called a combination run, or gang-run.

Gate Fold

A three panel fold where the two outside panels fold inward to meet in the center. A four panel version of this fold, that folds in half again is called a Double Gate Fold.

Ghosting

A printing defect where a faint unwanted image appears on a page.

Grain

The direction in which the fibers of a paper lie.

Grayscale

An image made up of a range of densities of black ink.

Grippers

The metal fingers on printing presses that hold the paper and controls it as it passes through the press or cutting machine.