| Term | Definition |
|---|---|
| C1S and C2S |
Abbreviations for coated one side and coated two sides. |
| Calender |
To make the surface of paper smooth by pressing it between rollers during manufacturing. |
| Caliper |
(1) Thickness of paper or other substrate expressed in thousandths of an inch (mils or points), pages per inch (ppi), thousandths of a millimeter (microns) or pages per centimeter (ppc). (2) Device on a sheet fed press that detects double sheets or on a binding machine that detects missing signatures or inserts. |
| Camera Service |
Business using a process camera to make photostats, halftones, plates and other elements for printing. Also called prep service and trade camera service. |
| Camera-ready Copy |
Mechanicals, photographs and art fully prepared for reproduction according to the technical requirements of the printing process being used. Also called finished art and reproduction copy. |
| Carbonless Paper |
Paper coated with chemicals that enable transfer of images from one sheet to another with pressure from writing or typing. |
| Carload |
Selling unit of paper that may weigh anywhere from 20,000 to 100,000 pounds (9,090 to 45, 454 kilos), depending on which mill or merchant uses the term. Abbreviated CL. |
| Carton |
Selling unit of paper weighing approximately 150 pounds (60 kilos). A carton can contain anywhere from 500 to 5,000 sheets, depending on the size of sheets and their basis weight. |
| Case |
Covers and spine that, as a unit, enclose the pages of a casebound book. |
| Case Bind |
To bind using glue to hold signatures to a case made of binder board covered with fabric, plastic or leather. Also called cloth bind, edition bind, hard bind and hard cover. |
| Cast-coated Paper |
High gloss, coated paper made by pressing the paper against a polished, hot, metal drum while the coating is still wet. |
| Catalog Paper |
Coated paper rated #4 or #5 with basis weight from 35# to 50# (50 to 75 gsm) commonly used for catalogs and magazines. |
| Chain Dot |
(1) Alternate term for elliptical dot, so called because midtone dots touch at two points, so look like links in a chain. (2) Generic term for any midtone dots whose corners touch. |
| Chain Lines |
(1) Widely spaced lines in laid paper. (2) Blemishes on printed images caused by tracking. |
| Chalking |
Deterioration of a printed image caused by ink that absorbs into paper too fast or has long exposure to sun, and wind making printed images look dusty. Also called crocking. |
| Check Copy |
(1) Production copy of a publication verified by the customer as printed, finished and bound correctly. (2) One set of gathered book signatures approved by the customer as ready for binding. |
| Choke |
Technique of slightly reducing the size of an image to create a hairline trap or to outline. Also called shrink and skinny. |
| Chrome |
Strength of a color as compared to how close it seems to neutral gray. Also called depth, intensity, purity and saturation. |
| Close Up |
A mark used to indicate closing space between characters or words. Usually used in proofing stages. |
| CMYK |
The primary colors used in 4-color printing. CMYK are used to reproduce full color on the printed sheet. CMYK also called PROCESS COLOR C: Cyan (Blue) M: Magenta (Red) Y: Yellow K: Key (Black) |
| Coarse Screen |
Halftone screen with ruling of 65, 85 or 100 lines per inch (26, 34 or 40 lines centimeter). |
| Coated Paper |
Paper with a coating of clay and other substances that improves reflectivity and ink holdout. Mills produce coated paper in the four major categories cast, gloss, dull and matte. |
| Collate |
To organize printed matter in a specific order as requested. |
| Collating Marks |
Mostly in the book arena, specific marks on the back of signatures indicating exact position in the collating stage. |
| Color Balance |
Refers to amounts of process colors that simulate the colors of the original scene or photograph. |