Page 133 - 2015 PIM Buyers Guide .pdf
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Graphic Communications Terms Glossary
Mock-up One-up
A detailed dummy of a printed piece, trimmed and folded, intended Having only one image of each item (see two-up).
to give a clear sense of how the finished piece should look. Also Opacity
dummy. Characteristic of paper or other substrate that prevents print on one
Modeling side from showing through to the other side. Also, the characteristic
The apparent detail in a picture indicating that the objects are three of ink that prevents substrate from showing through.
dimensional; having surface texture or relief such as the ripple on an Opaque
orange peel or the texture of a woven fabric. To paint out portions of a negative not wanted on the plate.
Modem (Modulator/Demodulator) Optical Centering
A communications device that converts digital information into Positioning material a little above center when it is desired to make it
analog signals suitable for transfer over (analog) telephone lines. It also appear centered with respect to top and bottom.
converts the analog signal from phone lines into digital information. Optical Character Recognition (OCR)
Moirè A technique in which any printed, typed, or handwritten copy or
Objectionable patterns that appear at regular frequencies when two or graphic images are scanned by an electronic reader that converts the
more screen patterns are placed over one another. May be caused by information into a form that can be read, interpreted, and displayed
misalignment Incorrect screen angles, slipping or slurring. by computers.
Mottle Optical Gain
Spotty or speckled printing. An effect caused by printing on a rough-surfaced paper in which
halftone dots appear larger than actual size, resulting in image
N degradation.
Orthochromatic
Near-Line Archiving A term applied to photographic materials that are sensitive to green,
(1)A near-line archive is a mid-way archive containing copies of the blue and ultraviolet light.
content and metadata. Typically, browse mode images and metadata Otabind Binding
are stored in the on-line archive for rapid access whereas content will A binding style with the look of perfect binding that adheres the cover
be stored off-line on a remote server . Full editing capability of near- to the first and last pages (instead of the spine) to create a book that
line archive content is still possible. will lay flat.
Non-heatset Outline Halftone
Web printing process whereby porous paper goes through the press A photo reproduction in which the background around the primary
and the ink dries naturally. subject has been removed.
Non-image Area Overprint
The portion of a lithographic printing plate that is treated to accept To print over an area that has previously been printed.
water and repel ink when the plate is on the press. Only the ink- Overrun
receptive areas will print an image. Copies printed and/or bound in excess of the specified quantity.
Non-impact Printing Oxidation
A printing device that creates letters or images on a substrate without Combining oxygen with the drying oil in a printing ink to promote a
striking it. Large, high-speed and ordinary office photocopiers, laser slow chemical reaction that produces a dry ink film.
and ink-jet printers are some examples.
Non-reproducible Colors P
Certain colors in nature and photography cannot be reproduced using
process inks. An example of non-reproducible color is a very dark, PS
deep, rich, wine red. Postscript, Adobe Photoshop’s native format, which stores all of its
layer and selection and miscellaneous other image data. Postscript
O isn’t an image format, per se it’s a page description language, originally
conceived so computers could send very accurate page descriptions to
OEM the then-new high resolution laser printers. You can save black and
Original Equipment Manufacturer, a misleading term for a company white or color pictures as Postscript, but you’ll end up with a large file.
that has a special relationship with computer producers. OEMs buy Postscript is not a very efficient format, but its advantage is all plain
computers in bulk and customize them for a particular application. text you can modify a Postscript file with any text editor, if you know
They then sell the customized computer under their own name. what you’re doing.
The term is really a misnomer because OEMs are not the original Packing
manufacturers Paper used to underlay the image or impression cylinder in letterpress
they are the customizers. or the plate or blanket in lithography to get the proper squeeze and
Off-press Proof pressure for printing.
A color proof that is similar in appearance to the finished printed Pagination
product but is made without the aid of a printing press. Numbering pages in order. Also, the process of performing page
Offset Printing makeup on a computer.
Usually refers to offset lithography. The image prints by transferring
ink from a flat plate or cylinder to a rubber blanket that deposits the
ink onto the substrate instead of directly from plate to paper.
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