Glossary–7
hammer tip The small, round point, located near the end of the hammer
spring, which strikes the ribbon and leaves a dot on the paper.
hex codes Based on a numeral system with a radix of 16.
host (computer) The computer that stores, processes, and sends data to be printed,
which communicates directly with the printer. The term “host”
specifies the controlling computer, since modern printers are
themselves microprocessor–controlled computer systems.
HS Abbrev. for high speed font. Also referred to as draft.
HT Horizontal Tab.
Hz Hertz. Cycles per second, a measure of frequency.
I
IGP Intelligent Graphics Processor. An optional emulation that
converts graphics commands received from the host computer to
binary plot data that is usable by the printer.
initialization A series of processes and self-tests to set power-up default
conditions and parameters.
interface The hardware component used to link two devices by common
physical interconnection, signal, and functional characteristics.
invoke To put into effect or operation.
IPDS Intelligent Printer Data Stream.
ipm Abbrev. for inches per minute. A measurement of the speed of a
printer printing in graphics print mode (plotting speed).
italic A slanted type style. This is an italic type style. Both forward and
backward slant are available.
L
LAC Load Alternate Characters.
LF Line Feed.
landscape Printed perpendicular to the paper motion.
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