Xerox DocuColor 252, User Manual

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242 Spire CX260 User Guide
EPS Abbreviation for Encapsulated PostScript, a graphic file format used to
transfer PostScript, graphic files from one program to another. It
includes both a low-resolution preview and the high resolution
PostScript image description. On the Macintosh, the preview is in PICT
format, on the PC it is in TIFF format. Also known as EPSF.
Finishing stage Stage following the press process, which may include procedures such
as laminating, perforating and varnishing.
Font A complete assortment of letters, numbers, punctuation marks,
characters etc. of a given design and size.
Frame A color overlap created intentionally at a color border so as to
minimize the effects of misregistration. Also known as trap or grip. See
also
Trapping .
Frequency modulated screens A method of creating halftones where the spots are all the same size,
but the frequency or number of dot changes in a given area. There are
more dots in a dark area and fewer in a light area.
Frozen job A job for which the appropriate paper stock is not available, for
example, the correct paper type, paper size or paper weight.
GCR Abbreviation for Gray Component Replacement. Method for reducing
the CMY amounts that produce the gray component in a color, without
changing the color hue.
Graduated blend See Degradé .
Gravure printing A printing method in which the image is engraved through a screen
below the surface of a cylinder. The ink is transferred to paper when
pressed to the cylinder. Gravure is used for very long print runs and on
many substrates.
Gray component The amounts of CMY in a color, which result in neutral gray, based on
the lowest separation value of the color. See also
GCR .
Grayscale A scale of gray tones from white to black. Digitally, grayscale images
have up to 256 different levels of gray. See also
8 bit/1 byte image .
Halftone A negative or positive image whereby detail of the image is
reproduced with dots varying area but of uniform density. Creates the
illusion of continuous tone when viewed with the naked eye.
Highlights The whitest portions of the original or reproduction that have no color
cast. The highlight dot is ranged in the reproduction from the smallest
printable dot to approximately 25%. See also
Midtones and Shadows .
HSL Abbreviation of Hue, Saturation and Lightness. This is a color model,
which specifies a color by its wavelength (Hue), chroma or purity of
the color (Saturation) and value of its brightness (Lightness).
Image area Portion of a negative or plate corresponding to inking on paper. The
portion of paper on which ink appears.
Imposition The arranging of pages in a press form to ensure the correct order after
the printed sheet is folded, bound and trimmed.