Against the grain

at right angles to direction of paper grain. Opposite of paper grain direction

Cover weight

heavier-weight (thicker/more-rigid) paper consisting of various grades

Customer's Originals

print ready copy

Gloss finish

shiny, reflective, smooth finish on paper or laminate


the direction in which the paper fiber lie


metal fingers on a printing press that hold the paper as it passes through the press, the image is registered in relation to the gripper. Similar to sideguide


the lightest areas in a picture or halftone

Image Area

portion of paper on which ink can appear


M, one of the four process colors used in the CMYK printing process, pink/purple in color


the image on a film that inverts color


using an intermediate surface to transfer ink. This also occurs when images of freshly printed sheets transfer images to each other


material that is to be reproduced using various printing methods. i.e., PDFs, documents, photographs, artwork, product sample, or artist's drawing


pagination sheet

Page count

total number of pages in a book including blanks

Pantone Matching System

(PMS) Industry standard for ink mixing


see page 14, job F141491 for example



Plate gap

gripper space. The area where the grippers hold the sheet as it passes through the press

Right-Angle fold

two folds at right angles to each other

Side guide

the mechanical register unit on a printing press that positions a sheet from the side


a sheet of printed pages that when folded become part of a publication (i.e., book, magazine, etc.)


only one side of the page is printed, meaning the back side of each page is blank

Stack by page or subset

to keep each piece separate or independent

Text weight

lighter-weight (thinner/pliable) paper consisting of various grades


used to expand the dominant ink to be printed larger-than the less-dominant ink, used to help tight registration on offset printing

UV Coating

protective liquid coating applied to printed sheets (similar to varnish), bonded and cured with ultra-violet (UV) light

With the grain

folding or feeding paper into the press or folder parallel to the grain of paper