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Glossary–2
default A value, parameter, attribute, or option that is assigned by a
program or system when another has not been specified by the
user.
developer The developer unit uses the toner and carrier particles to produce
a developed image onto the surface of the photoconductor belt.
diagnostic Pertaining to the detection and isolation of a printer malfunction or
mistake.
diskette A thin, flexible magnetic disk containing software such as test and
diagnostic programs, initialization files, and all font specifications
for the printer.
electrophotographic A non-impact printing process in which electrical charges and
heat are used to transfer and fuse images to paper, as opposed
to impact printing, in which hammers or pins drive an inked ribbon
onto paper to form characters.
emulation Refers to the ability of a printer to execute the commands of
another printer protocol.
fuser The fuser unit uses heat and pressure to bond the toner to the
surface of the paper.
host computer The computer that stores, processes, and sends data to be
printed, which communicates directly with the printer. The term
“host” is used to indicate the controlling computer, since modern
printers are themselves microprocessor-controlled computer
systems.
interface The hardware component used to link two devices by common
physical interconnection, signal, and functional characteristics.
LSU
Acronym for
Laser Scanning Unit. The beam of the laser
scanning unit shines on a rotating polygonal mirror which causes
the beam to scan across the OPC drum.
logical link The parameters that specify data transfer, data control, and/or
data communication operations.
macro A macro is a collection of control codes, escape sequences, and
data whose execution can be initiated by using a single
command. This information is downloaded into the printer.