Printronix L1524 User Manual

Page 136

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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.

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