Konica Minolta AccurioPress C2070/2070P IC-314 User Guide - Page 272
conventional screening, creep, DCS desktop color separation, DCS-2, densitometer, density
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262 Chapter 15-Glossary conventional screening A method of screening in which an image is broken down into a series of dots of varying sizes that are placed in a rigid grid pattern. Color images are separated into the four process colors, and individual screens of color are created and then skewed at angles to reproduce the image in print. creep The extension of middle pages of a folded signature slightly beyond outside pages. Shingling compensates for creep. DCS (desktop color separation) An EPS format containing five files: four of the files contain the separated color information for each of the CMYK colors and the fifth is a low-resolution composite file for use in electronic page layout. DCS1 format has five separate files. One file acts as the preview and the other four contain the information for printing the different channels of CMYK color. DCS-2 A desktop color separation (DCS) file with additional files that contain spot color information. densitometer An electronic instrument which measures the optical density of film or reflective media. A transmission densitometer is used to measure films while a reflection densitometer is used to measure photographs and ink laydown on press sheets. density A measurement of the ability of light to be absorbed by an ink and paper combination. A darker tone has a higher density than a lighter tone. density range The range of density from highlight to shadow on a film negative or positive or on the printed image. It is calculated as the mathematical difference between the densities of the darkest and the lightest tone values. device An individual occurrence of a physical device that reproduces an image. Devices have a type and a customer-specified name.