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Page

One side of a leaf in a publication.

Page Count

Total number of pages that a publication has. Also called extent.

Page Proof

Proof of type and graphics as they will look on the finished page complete with elements such as headings, rules and folios.

Pagination

In the book arena, the numbering of pages.

Painted Sheet

Sheet printed with ink edge to edge, as compared to spot colour. The painted sheet refers to the final product, not the press sheet, and means that 100 percent coverage results from bleeds off all four sides.

Panel

One page of a brochure, such as one panel of a rack brochure. One panel is on one side of the paper. A letter-folded sheet has six panels, not three.

Paper Plate

A printing plate made of strong and durable paper in the short run offset arena (cost effective with short runs).

Parallel Fold

Method of folding. Two parallel folds to a sheet will produce 6 panels.

Parent Sheet

Any sheet larger than 11' x 17' or A3.

Pasteboard

Chipboard with another paper pasted to it.

Paste-Up

To paste copy to mounting boards and, if necessary, to overlays so it is assembled into a camera-ready mechanical. The mechanical produced is often called a paste-up.

PE

Proofreader mark meaning printer error and showing a mistake by a typesetter, prepress service or printer as compared to an error by the customer.

Perfect Bind

To bind sheets that have been ground at the spine and are held to the cover by glue. Also called adhesive bind, cut-back bind, glue bind, paper bind, patent bind, perfecting bind, soft bind and soft cover. See also Burst Perfect Bind.

Perfecting Press

Press capable of printing both sides of the paper during a single pass. Also called duplex press and perfector.

Perf Marks

On a "dummy" marking where the perforation is to occur.

Perforating

Taking place on a press or a binder machine, creating a line of small dotted wholes for the purpose of tearing-off a part of a printed matter (usually straight lines, vertical or horizontal).

Pica

A unit of measure in the printing industry. A pica is approximately 0.166 in. There are 12 points to a pica.

Photoengraving

Engraving done using photochemistry.

Photomechanical Transfer

Brand name for a diffusion transfer process used to make positive paper prints of line copy and halftones. Often used as alternate term for photostat. Abbreviated PMT.

Photostat

Brand name for a diffusion transfer process used to make positive paper prints of line copy and halftones. Often used as alternate term for PMT.

Picking

Phenomenon of ink pulling bits of coating or fiber away from the surface of paper as it travels through the press, thus leaving unprinted spots in the image area.

Pickup Art

Artwork, used in a previous job, to be incorporated in a current job.

Pinholing

Small holes (unwanted) in printed areas because of a variety of reasons.

Pin Register

Technique of registering separations, flats and printing plates by using small holes, all of equal diameter, at the edges of both flats and plates.

Pixel

Short for picture element, a dot made by a computer, scanner or other digital device.

Planographic Printing

Printing method whose image carriers are level surfaces with inked areas separated from noninked areas by chemical means. Planographic printing includes lithography, offset lithography and spirit duplicating.

Plate

Piece of paper, metal, plastic or rubber carrying an image to be reproduced using a printing press.

Platemaker

(1) In quick printing, a process camera that makes plates automatically from mechanicals. (2) In commercial lithography, a machine with a vacuum frame used to expose plates through film.

Plate-Ready Film

Stripped negatives or positives fully prepared for platemaking.

Pleasing Colour

Colour that the customer considers satisfactory even though it may not precisely match original samples, scenes or objects.

PMS

Obsolete reference to Pantone Matching System. The correct trade name of the colours in the Pantone Matching System is Pantone colours, not PMS Colours.

PMT

Abbreviation for photomechanical transfer.

Point

(1) Regarding paper, a unit of thickness equating 1/1000 inch. (2) Regarding type, a unit of measure equaling 1/12 pica and .013875 inch (.351mm).

Portrait

An art design in which the height is greater than the width. (Opposite of Landscape.)

Position Stat

Photocopy or PMT of a photo or illustration made to size and affixed to a mechanical.

Positive Film

Film that prevents light from passing through images, as compared to negative film that allows light to pass through. Also called knockout film.

Post Bind

To bind using a screw and post inserted through a hole in a pile of loose sheets.

Prepress

Camera work, colour separations, stripping, platemaking and other prepress functions performed by the printer, separator or a service bureau prior to printing. Also called preparation.

Prepress Proof

Any colour proof made using ink jet, toner, dyes or overlays, as compared to a press proof printed using ink. Also called dry proof and off-press proof.

Preprint

To print portions of sheets that will be used for later imprinting.

Press Check

Event at which makeready sheets from the press are examined before authorizing full production to begin.

Press Proof

Proof made on press using the plates, ink and paper specified for the job. Also called strike off and trial proof.

Press Time

(1) Amount of time that one printing job spends on press, including time required for makeready. (2) Time of day at which a printing job goes on press.

Price Break

Quantity at which unit cost of paper or printing drops.

Printer Pairs

Usually in the book arena, consecutive pages as they appear on a flat or signature.

Printer Spreads

Mechanicals made so they are imposed for printing, as compared to reader spreads.

Printing

Any process that transfers to paper or another substrate an image from an original such as a film negative or positive, electronic memory, stencil, die or plate.

Printing Plate

Surface carrying an image to be printed. Quick printing uses paper or plastic plates; letterpress, engraving and commercial lithography use metal plates; flexography uses rubber or soft plastic plates. Gravure printing uses a cylinder. The screen printing is also called a plate.

Printing Unit

Assembly of fountain, rollers and cylinders that will print one ink colour. Also called colour station, deck, ink station, printer, station and tower.

Process Camera

Camera used to photograph mechanicals and other camera-ready copy. Also called copy, camera and graphic arts camera. A small, simple process camera may be called a stat camera.

Process Colour (Inks)

The colours used for four-colour process printing: yellow, magenta, cyan and black.

Production Run

Press run intended to manufacture products as specified, as compared to makeready.

Proof

Test sheet made to reveal errors or flaws, predict results on press and record how a printing job is intended to appear when finished.

Proofreader Marks

Standard symbols and abbreviations used to mark up manuscripts and proofs. Also called correction marks.

Proportion Scale

Round device used to calculate percent that an original image must by reduced or enlarged to yield a specific reproduction size. Also called percentage wheel, proportion dial, proportion wheel and scaling wheel.

Publishing Paper

Paper made in weights, colours and surfaces suited to books, magazines, catalogs and free-standing inserts.