Definitions for "Prepress Proof"
Keywords:  toner, overlays, proof, jet, dyes
A test print run from the actual printing materials. May be done photographically at a reduced charge from the printing film (a "blue line" is one such proof).
an analog or digital proof that uses inkjet, toner, dyes, overlays, photographic, film, or other techniques to give a close approximation of what the finished piece will look like
Any color proof made using ink jet, toner, dyes or overlays, as compared to a press proof printed using ink and plates on the actual output press. Also called dry proof and off-press proof.