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Glossary Of Terms
We take great pride in making our clients feel confident about their jobs during the production process. To help you gain a better understanding of what’s happening to your project, we’ve compiled a glossary of terms that we commonly use in our industry.
A B C D E F G H I J L M N O P R S T W
Accordion Fold A type of paper folding in which each fold runs in the opposite direction to the previous fold creating a pleated or accordion affect. Art Work Any materials or images that are prepared for graphic reproduction. Bleed Extra ink area that crosses trim line, used to allow for variations that occur when the reproduction is trimmed or die-cut. Blue-Line Photographic proof made from flats for checking accuracy, layout and imposition before plates are made. Also known as a dylux. Caliper The measurement of thickness of paper expressed in thousandths of an inch or mils. Corner Marks Marks on a final printed sheet that indicate the trim lines or register indicators. Crop To eliminate a portion of the art or copy as indicated by crop marks. Crop Mark Markings at edges of original or on guide sheet to indicate the area desired in reproduction with negative or plate trimmed (cropped) at the markings. Cutter Machine for accurately cutting stacks of paper to desired dimensions...can also be used to crease. Also trims out final bound books' top size (soft cover). Digital Proof Color separation data is digitally stored and then exposed to color photographic paper creating a picture of the final product before it is actually printed. Electronic Proof A process of generating a prepress proof in which paper is electronically exposed to the color separation negatives; the paper is passed through the electrically charged pigmented toners, which adhere electrostatically, resulting in the finished proof. Estimate The form used by the printer to calculate the project for the print buyer. This form contains the basic parameters of the project including size, quantity, colors, bleeds, photos etc. Estimator One who computes or approximates the cost of work to be done on which quotation may be based. Fold Marks Markings at top edges that show where folds should occur. Folder Machine used to fold signatures down into sections. Font The characters which make up a complete typeface and size. Grain Direction of fibers in a sheet of paper governing paper properties such as increased size changes with relative humidity, across the grain, and better folding properties along the grain. Hickies Imperfections in presswork due to dirt on press, trapping errors, etc. Image Setter High resolution, large format device for producing film from electronically generated page layouts. Job Number A number assigned to a printing project used for record keeping and job tracking. Also used to retrieve old jobs for reprints or reworking by customer. Layout A rendition that shows the placement of all the elements, roughs, thumbnails etc., of the final printed piece before it goes to print. Make Ready Process of adjusting final plate on the press to fine tune or modify plate surface. Margin Imprinted space around edge of page. Nominal Weight When the basis weight of paper differs from the actual weight, the term nominal weight is used. Offset The most commonly used printing method, whereby the printed material does not receive the ink directly from the printing plate but from an intermediary cylinder called a blanket which receives the ink from the plate and transfers it to the paper. Offset Paper A term for uncoated book paper. Opacity Quality of papers that defines its opaqueness or ability to prevent two-sided printing from showing through. Opaque A quality of paper that allows relatively little light to pass through. Opaque Ink Ink that completely covers any ink under itself. Parent Sheet A sheet that is larger than the cut stock of the same paper. Perfecting Printing both sides of the paper (or other material) on the same pass through the printing machine. Perfecting Press A printing press that prints on both sides of the page in a single pass. Platemaking Making a printing plate from a film or flat including preparation of the plate surface, sensitizing, exposing through the flat, developing or processing, and finishing. Press-Proof Actual press sheet to show image, tone values and colors as well as imposition of frame or press-plate. Proof Impression from composed type or blocks, taken for checking and correction, from a lithographic plate to check accuracy of layout, type matter, tone and color reproduction. Right Angle Fold A term that denotes folds that are 90 degrees to each other. Score Impressions or cuts in flat material to facilitate bending or tearing. Slitting A term to describe the process of cutting of printed sheets by the cutting wheels of a printing press. Tensile Strength A paper's ability to withstand pressure. Trim Marks Marks placed on the sheet to indicate where to cut the page. Web The roll of paper that is used in web or rotary printing. Web Press Cylinder printing machine in which the paper is fed from a continuous reel, as opposed to sheet fed.
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