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Page
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One side of a leaf in a publication.
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Page Count
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Total number of pages that a publication has. Also called extent.
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Page Makeup
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The assemblage of all the necessary elements required to complete a page.
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Page Proof
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Proof of type and graphics as they will look on the finished page complete with elements such as headings, rules and folios.
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Pagination
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In the book arena, the numbering of pages.
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Panel
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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.
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Paperboard
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Any paper with a thickness (caliper) of 12 points (.3mm) or more.
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Parallel Fold
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Method of folding. Two parallel folds to a sheet will produce 6 panels.
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Parchment
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A hard finished paper that emulates animal skin; used for documents, such as awards, that require writing by hand.
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Parent Sheet
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A sheet that is larger than the cut stock of the same paper.
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Paste Drier
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Any of a variety of compounds used in enhancing the drying properties of printing inks.
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Paste-Up
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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.
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Pasteboard
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Chipboard with another paper pasted to it.
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PDF
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A format designed to be used across platforms. In Adobe Acrobat, material such as graphics and fonts are compiled and converted into a single file. Short for Portable Document Format.
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PE
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Proofreader mark meaning printer error and showing a mistake by a typesetter, prepress service or printer as compared to an error by the customer.
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Perf Marks
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On a "dummy" marking where the perforation is to occur.
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Perfect Bind
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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 PerfectBind.
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Perfecting Press
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Press capable of printing both sides of the paper during a single pass.
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Perforating
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Creating a line of small dotted holes for the purpose of tearing-off a part of a printed matter (usually straight lines, vertical or horizontal).
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Petroleum-Based Ink
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An ink using petroleum as the vehicle for carrying the pigment. Ink manufacturers are seeking new vehicles to reduce the need for petroleum-based solvents, which may be toxic at high levels.
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PhotoShop
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A pixel or raster software used to edit photos or scanned material.
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Pica
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A unit of measure in the printing industry. A pica is approximately 0.166 in, or 12 points to a pica.
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Picking
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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.
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Piling
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A build up of pigment or paper coatings onto the plate, blankets or rollers.
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Pin Register
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Technique of registering separations, flats and printing plates by using small holes, all of equal diameter, at the edges of both flats and plates.
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Pinholing
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Small holes (unwanted) in printed areas for a variety of reasons.
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Pixel
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Short for picture element, a dot made by a computer, scanner or other digital device.
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Plastic Comb
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A method of binding books whereby holes are drilled on the spine side, and a plastic grasping device is inserted to hold the pages together.
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Plate
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Piece of paper, metal, plastic or rubber carrying an image to be reproduced using a printing press.
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Plate Cylinder
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The cylinder on a printing press on which the plate is mounted.
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Plate Finish
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Any bond, cover or Bristol stock with an extremely smooth finish achieved by calendering.
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Plate Gap
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The area where the grippers hold the sheet as it passes through the press.
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Platemaker
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(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.
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PMS
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Obsolete reference to Pantone Matching System. The correct trade name of the colors in the Pantone Matching System is Pantone colors, not PMS Colors.
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Point
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(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).
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Portrait
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An art design in which the height is greater than the width. (Opposite of Landscape.)
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Post Bind
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To bind using a screw and post inserted through a hole in a pile of loose sheets.
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Post-Consumer Waste Paper
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Paper that has already been used and returned through a recycling program, thereby diverting it from a landfill or incinerator. It is usually deinked and then processed to make new paper. Office paper waste makes up the majority of post-consumer waste content that is used to make recycled copy and printing papers.
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PostScript
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The computer language most recognized by printing devices.
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Pre-Consumer Materials
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Materials that have not met their intended end-use by a consumer and include allowable waste left over from manufacturing, converting, and printing processes. Examples: mill-converting scraps, pre-consumer deinking material, pulp substitutes. Magazines and newspapers that were never bought also are termed pre-consumer. Also known as Recovered Fibers.
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Premium
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Any paper that is considered better than #1 by its manufacturer.
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Prepress
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Camera work, color separations, stripping, platemaking and other prepress functions performed by the printer, separator or a service bureau prior to printing. Also called preparation.
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Prepress Proof
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Any color 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.
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Preprint
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To print portions of sheets that will be used for later imprinting.
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Press Check
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Event at which makeready sheets from the press are examined before authorizing full production to begin.
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Press Number
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A method of numbering manufacturing business forms or tickets.
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Press Proof
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Proof made on press using the plates, ink and paper specified for the job. Also called strike off and trial proof.
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Press Time
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(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.
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Pressure-Sensitive Paper
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Paper material with self sticking adhesive covered by a backing sheet.
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Price Break
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Quantity at which unit cost of paper or printing drops.
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Primary Colors
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In printing the four primary colors are cyan (blue), magenta (red), yellow and black.
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Printability
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The quality of papers to show reproduced printed images.
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Printer Pairs
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Usually in the book arena, consecutive pages as they appear on a flat or signature.
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Printer Spreads
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Mechanicals made so they are imposed for printing, as compared to reader spreads.
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Printing Plate
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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
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Printing Unit
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Assembly of fountain, rollers and cylinders that will print one ink color. Also called color station, deck, ink station, printer, station and tower.
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Process Blue
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The blue or cyan color in process printing.
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Process Color (Inks)
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The colors used for four-color process printing: yellow, magenta, cyan and black.
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Production Run
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Press run intended to manufacture products as specified, as compared to makeready.
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Proof
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Test sheet made to reveal errors or flaws, predict results on press and record how a printing job is intended to appear when finished.
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Proofreader Marks
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Standard symbols and abbreviations used to mark up manuscripts and proofs. Also called correction marks.
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Proportion Scale
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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.
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