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


to cut off parts of a picture or image

Crop marks

printed lines showing where to trim a printed sheet

Customer's Originals

print ready copy




a quality control device to measure the density of printing ink


typically 3 or 5 circular holes on the binding-edge of a sheet of paper, created by drilling through paper 

 * 3 hole and 5 hole with 5/16" drill is standard 

Drop fold

Drop fold is a set of multiple pages that fold together as a booklet, and are then dropped into a machine that does a right angle fold, commonly for mailing.


strong, styrofoam-like board that printed material is mounted to


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

Image Area

portion of paper on which ink can appear


putting an image on paper


adding copy to a previously printed page


all the activities required to prepare a press for printing


occurs when screen angles are wrong causing odd patterns in photographs


multiple-part paper form that does not use carbon paper

Offset Paper

term for uncoated paper


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


transparent cover sheet on artwork often used for instructions

Perf (Perforation)

a series of small cuts at regular intervals usually made to help a sheet tear apart evenly

Perfect bind

type of binding that uses glue on the spine of the sheets to adhere a cover to the sheets, like a phone book


see page 14, job F141491 for example

process color

the process of combining four basic colors to create a printed color picture or colors composed from the basic four colors

Right-Angle fold

two folds at right angles to each other


an intentional crease made in paper to help eliminate cracking when folded

Self cover

a cover of the same paper as inside text pages


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

Stack by page or subset

to keep each piece separate or independent


the process of placing the same image on a single sheet or page of a document multiple times


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

Trim Box

(see also Keyline defintion)

Trim marks

see crop marks

Trim size

finished size after final trim is made

UW red

the mixed ink graphic standard for UW printing; also PMS 200


clear ink-like substance that is applied to printed surfaces for appearance and protection


distinctive design created in paper at the time of manufacture that can be easily seen by holding the paper up to a light

With the grain

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

Work and tumble

using the same plate and same guide, printing one side of a sheet, and flipping it from gripper to tail to print on the back of the sheet. Similar to perfecting but 2 passes

Work and turn

using the same plate and common guide, printing one side of a sheet, and flipping it from left to right to print on the back of the sheet