QMS 860, User Manual, Page: 376 / 398

Previous Key
The control panel key that returns through the list of previous
selections or options for the current menu. When changing the character
information, use this key to return to the previous choice for the current input
(underlined) character.
Print Density
Print density refers to the relative darkness of print on the page.
Very dense print appears totally black. Less dense print looks lighter, with
solid-filled areas not totally covered. Print density can be adjusted by a lever
inside the printer.
Print Engine
The non-intelligent portion of the printer, including the laser,
print drum, and paper-feeding mechanism.
Print Quality
A general measure of the appearance and readability of a
printed page. Criteria of print quality include the darkness, clearness, and
sharpness of the printed page.
Printer Driver
A printer driver is a program that translates the file you are
printing into a language that the printer understands. Usually, the printer
driver is installed within an application.
PROM
An acronym for Programmable Read Only Memory. A storage device
that can be programmed by electrical pulses, a PROM does not lose its
memory when the printer is powered off.
Proportional Spacing
Horizontal spacing between characters and
symbols in a font varies according to the width of the character. For example,
an “i” takes up much less horizontal space than a “w” in proportional spacing.
See also fixed spacing.
Protocol
A set of rules or standards designed to enable computers and other
devices to connect to one another and to exchange information.
Queue
A list of documents waiting to be printed.
RAM
An acronym for Random Access Memory, RAM specifies the memory
that is transient. Information or data in RAM is lost when the power is turned
off or severely interrupted.
G - 1 0 G l o s s a r y