Xerox 4215 Reference Manual page 254

GLOSSARY
Graphical Data Display Manager
hexadecimal
Interface Escape Character
GLOSSARY-6
Function of the operating system that processes both text and
(GDDM) graphics for output on a display, printer, or plotter.
GFID Global Font Identifier, a number that references a font.
GSM Grams per square meter. Universally accepted unit that
expresses the weight in grams of one square meter of paper.
hexadecimal Numbering system requiring sixteen number symbols (0 through
9 and A through F) to represent data.
dump Print language selection that produces a hardcopy of the actual
ASCII codes being sent to the printer by its host.
host computer Computer transmitting data to a printer or other peripheral
device. Also called a host for short.
HP-GL/2 Hewlett-Packard Graphics Language Level 2. Industry standard
language for pen plotters that is integrated into the PCL 5 printer
language. Allows drawing of vector (line) drawings, such as
circles and rectangles.
HP PCL Hewlett-Packard Printer Control Language.
image Representation on the printed page of the data sent to the
printer. It is formed of closely placed dots of dry ink, which are
placed on the page electrostatically and fused.
interface Connection between two devices. Interfaces are meant to carry
electronic impulses from one place to another. Hardware
interfaces, for example, link a host computer to a printer. Often
refers to an electronic device that enables one kind of equipment
to communicate with or control another.
interface cable Connects the printer to the computer, or cluster controller, or
other device so they can communicate.
Character used in coax and twinax interface escape sequences.
internal fonts Permanent landscape and portrait fonts that reside in the printer
and are not affected when the printer is powered up or down.
I/O Input/Output. Communication established between the printer
and a host computer or two other devices (for example, disk
drive I/O).
XEROX MRP FAMILY COAX COMMAND REFERENCE