Copy paper terminology
Converter Company that converts paper from its original form to usable products such as envelopes, label stock, announcements etc. Commercial Printer Printer producing a wide range of products such as announcements, brochures, posters, booklets, stationery, business forms, books and magazines.
Laid finish A parallel lined paper that has a handmade look. Also called shells. Opaque ink Ink that completely covers any ink under itself. Loupe A small magnifier used to observe the details on a printed sheet.
Descender A term that describes that portion of lower case letters that extends below the main body of the letter, as in "p". Color Key Brand name for an overlay color proof. It can be folded to show how the finished printed product will look. Curl Undesirable distortion or waviness occurring to the paper due to the presence of excess moisture or humidity. M weight The actual weight of sheets of any given size of paper. Platen Glass Where the original is liable to jamming in the document feeder due to frayed edges, stapling, deterioration or unsuitable texture, the platen glass is used. Finisher is used nowadays to represent the more advanced finishing options available such as booklet, hole-punch, c-fold, z-fold, saddle-stitching and binding. JPG Also jpeg, jfif - Joint Photographic Experts Group - Lossless image file whose quality is dependant on how high the adjustable setting is fixed upon saving from original, and how many times saved thereafter. Color Separation 1 Technique of using a camera, scanner or computer to divide continuous-tone color images into four halftone negatives. Used by the manufacturer to convey a machine's sturdiness often an over-approximation and by the end user as a current or expected amount in the print auditing process. Book Paper A general term used to define papers that are most suitable for book manufacture. Ink vehicle has been absorbed too rapidly into the paper leaving a dry, weak pigment layer which dusts easily.
Carload Selling unit of paper that may weigh anywhere from 20, topounds 9, to 45, kilosdepending on which mill or merchant uses the term. Chain lines The lines on laid paper parallel with the grain; also referred to as "chain marks".
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