Quad - In composition, blank-spacing material less than type high used to fill outlines.
Quality control - In printing, the process of taking random samples during the run to check the consistency of quality.
Quarter-bind - Covers constructed of binders board with buckram covering only the spine and 1/8th of each cover, cut flush.
Quick printer - Printer whose business attitude emphasizes basic quality, small presses, and fast service.
Quoin - In letterpress, a steel wedge-sharpened or expanding device used in lockup.
Quotation - Printer's offer to print a job for a specific price calculated from specifications and dummies provided by customer.