Lexmark Optra Color 45 User Manual page 311

Reference
point size
The height of the characters in a font.
portrait orientation
Printed page orientation in which the
height of the page is greater than the
width.
ppm
See pages per minute.
primary color
Colors that, when combined, produce
white in an additive color system and
black in a subtractive color system.
Red, green, and blue (RGB) are the
additive primaries. Cyan, yellow, and
magenta (CYM) are the subtractive
primaries.
print cartridge
The replaceable unit inside the printer
that contains the ink supply.
print material
Any materials you print on, such as
paper, envelopes, labels, card stock,
and transparencies.
printer driver
A program that translates the
language of a software application to
the language of the printer so the two
can communicate data.
process black
See composite black.
294
Glossary
proportionally spaced font
A font that varies with the width of the
character to allow uniform spacing
around characters.
protocol
A set of rules governing the
communication and the transfer of
data between two or more devices in a
communication system.
R
RAM
See random access memory.
random access memory (RAM)
Memory that allows rapid storing and
retrieving of data. RAM contents are
erased when electrical power is turned
off.
Ready
State of the printer in which it can
receive, process, and print data.
resolution
A measure of the sharpness of a
printer image, expressed in the
number of dots per inch (dpi).
RGB
Abbreviation for red, green, and blue
(the additive primary colors).