HP Indigo press 3050 User Manual page 277

Term
screen ruling
separation
sheet
signature
simplex
spread
writing head
276 Chapter 21 Glossary
Definition
The number of lines per inch of a screen. Screen
rulings are available from 144 lines per inch to 250
lines per inch.
In color printing, the outcome of the breakdown of
color images to CMYK.
A single physical sheet of paper, complete with
one or more pages printed on one side (simplex),
or both sides (duplex).
A single physical sheet of paper composed of
several imposed pages.
One-sided printing.
One side of the printing sheet.
An HP Indigo press subsystem composed of laser
diodes that defines the image on the PIP.
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