Definitions for "Calibration Bars"
Keywords:  proof, strip, tones, prepress, shades
Are used to control screen percentages for printing and proofing. Usually varying shades of CMYK, from 0% - 100%, located on signature or press sheet.
A strip of varying shades usually ranging from 0% to 100% (in 10% increments) on film, proofs, and press sheets. Prepress service providers use calibration bars to measure and control screen percentages for printing and proofing.
A strip of tones printed on paper or film and used for quality control.
Keywords:  carbonless, caret, cast, coated, marks
Carbonless Caret Marks Cast Coated