Page 134 - 2015 PIM Buyers Guide .pdf
P. 134
Graphic Communications Terms Glossary
Palette Pixelization
The collection of colors or shades available or used in a project, A technique used to represent areas of complex detail as relatively
graphic system or program. large square or rectangular blocks of discrete, uniform colors or tones.
Panel Plate
One page of a brochure on one side of the paper. A letter folded sheet Piece of paper, metal, plastic or rubber carrying an image to be
has six panels. reproduced using a printing press.
Parallel Fold Plate Cylinder
A folding succession in which all folds are made parallel with each In lithography, the cylinder that holds the printing plate tightly and
other. in register on press. It places the plate in contact with the dampening
Paste-up rollers that wet the nonimage area and the inking rollers that ink the
Placing graphics and text in a layout either manually or electronically. image area, then transfers the inked image to the blanket, which is
PDF held on its own cylinder.
Portable Document Format. A computer file format that preserves Platemaking
a printed or electronic document’s original layout, type fonts and Preparing a printing plate or other image carrier so that it is ready for
graphics as one unit for electronic transfer and viewing. The recipient the press.
uses compatible Reader software to view and print the PDF file. Platesetters
Perfect Binding A device that images printing plates directly from digital image data;
Signatures that are folded and collated on top of one another, as no film or any analog processes are required.
opposed to saddle-stitch binding in which the signatures are folded PMS
inside one another. Acronym for Pantone Matching System, a standard set of pre printed
Perfecting Press color swatches used to choose and communicate color so exact
Press that prints on both sides of the paper during a single pass. matches can be obtained.
Perforating Point
Punching a row of small hole or incisions into or through a sheet of Unit of measurement commonly used to specify type sizes. There are
paper to permit part of it to be detached; to guide in folding; to allow 12 points in a pica and 72 points in an inch.
air to escape from signatures; or to prevent wrinkling when folding Porosity
heavy papers. The property of paper that allows the permeation of air, an important
Pica factor in ink penetration.
Unit of measure commonly used in typesetting and design. A pica is Port
1/6th of an inch. The connecting point between an electronic device and the
Picking equipment that transfers data to the rest of the system.
The lifting of the paper surface during printing, leaving unprinted Positive
spots in image areas. This occurs when the pulling force (tack) of the A reproduction which is exactly like the original.
ink is greater than the surface strength of the paper. Post Bind
Pickup Art To bind using a screw and post inserted though a hole in a pile of
Artwork from a previous job incorporated into a current job. loose sheets.
Pigment PostScript
The fine, solid particles used to give color, transparency or opacity to Adobe Systems Inc. tradename for a page description language that
ink. enables imagesetters and other output devices developed by different
Piling companies to interpret electronic files from any number of personal
The building up or caking of ink on rollers, plates or blankets which computers (“front ends”) and off-the-shelf software programs.
will not transfer readily. PostScript, encapsulated
Pinholes A file format used to transfer PostScript™ image information from
Tiny areas that are not covered by ink. one program to another.
Pixel Postpress
Abbreviation for picture element. The separate elements of a The final stages in the printing process in which printed sheets are
bitmapped image on a video monitor. transformed into saleable products Including binding, finishing and
Pixel Interleave delivery.
System of organizing color data within a computer pixel-by-pixel (i.e., Preflighting
a pixel of yellow, a pixel of magenta, a pixel of cyan, a pixel of black, An orderly procedure using a checklist to verify that all components
etc.). See also: pixel. of an electronic file are present and correct prior to submitting the
Pixel Swopping document for high-resolution output.
A CEPS technique to exchange pixels from one area of a picture for Premakeready
pixels in another area. Example: a window may be removed from The stage prior to printing in which all production specs are
a brick building if one area of the wall is placed in that area of the examined, necessary materials are brought to the press, and materials
picture. Using this technique, blemishes can be removed and objects are checked for damage.
can be added to the reproduction. Pre-master
To format a data file into the ISO 9660 format (which is the
PIM 2015 Print Buyers Guide—www.pimw.org 133\ 133
