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Printronix L1024 User Manual

Page 126

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Glossary

data bits

Binary information sent to the printer; a character set grouping

containing letters, digits, and punctuation marks to be printed.

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.