GLOSSARY
GLOSSARY-16
XEROX 4850/4890 HIGHLIGHT COLOR LPS FORMS CREATION REFERENCE
point size
Height of character set from the top of its ascenders to the
bottom of its descenders in units (points). Point size does not
always include leading.
portrait
Orientation in which text and images are positioned parallel to
the short edge of the paper.
PostScript
Proprietary page definition language, compatible with the Xerox
4890 Highlight Color LPS when a front-end conversion utility is
installed.
ppm
Pages per minute.
print quality adjustment
See PQA.
primary color
A color that, when combined with one or more other primary
colors in a color model system in varying quantities, produces
the palette of colors described by that model.
print description language
See
PDL.
print ratio
The maximum number of variable data and form characters that
may be intersected by a single scan line.
printer subsystem controller
See PSC.
print file
Portion of the system disk memory (up to 4 MB) reserved for
temporary storage of formatted pages for printing. Pages are
retained until they are delivered to the output tray.
PQA
The process the 4890 HighLight Color LPS uses to maintain the
electrostatic state of the xerographic subsystem to ensure
optimal print quality.
printout
Informal expression referring to almost anything printed by a
computer peripheral device.
PROM
Programmable read-only memory.
prompt
Message or symbol displayed on a system console requiring the
operator to take action.
process color printing
In process color printing, every color in the spectrum is printed
by combining various percentages of the four-color process
primary colors–cyan, magenta, yellow, and black.
processor
Applies to any system that is capable of receiving and performing
operations upon data and supplying the results of those
operations.