Xerox C8 - DocuPrint Color Inkjet Printer, User Manual, Page: 447 / 458

Glossary 433
Saturation The strength of a color.
Screen angle
The angle of rows of halftone dots represented in degrees. During
output of films for reproduction, the dot arrangement of each
separation film is placed at a distinct and different angle to the other
separations. See also
Moiré .
Screen rulings
The number of rows of printing dots per inch on a halftone film. A
150lpi-screen ruling provides much better quality than 65lpi.
SEF
A printer page orientation, where pages are delivered short end first.
Shadows The darkest part of an image (original and reproduction) having
densities near to maximum density. In the reproduction, shadows are
printed with dot areas between 80% and 100% See also
Highlights
and
Midtones
.
Shingling A procedure that moves the image area of a page toward the direction
specified, usually towards the binding, in order to compensate for
creep.
Signature
Sheet of printed pages which when folded becomes part of the
publication.
Solid
The point in the picture printed with a dot area of 100%. See also
Highlights , Midtones and Shadows .
Spectrophotometer
Spectrophotometer (X-Rite DTP41), which is a 24 band color
measurement instrument that reports densitometric, colorimetric
and spectral data.
Spot color An additional separation (fifth, or more) that is used with special inks
to achieve difficult color combinations, such as gold, or chocolate
brown. Spot color is sometimes used by graphic artists to define
special corporate colors, for example, for company logos. On the
Spire CXP8000 Color Server, spot colors are tanslated into CMYK
values using a dictionary, that can be edited to adjust CMYK values.
Step and repeat The procedure of copying the same image by stepping it in position
both horizontally and vertically according to a predetermined layout.