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paraiiei
intenbce
See interface.
printable
area
The area of a page on which the
printer
can print. It is smaller than the physical size
of the page due to margins.
printer driver
The part of a software program that contains commands for a particular
printer.
propottionai
pfinttng
Printing in which the width of the character varies from character to character. For
example, a capital
W
receives much more space than a lowercase
i.
The result looks
more like a typeset book than a typewritten draft.
RAM
Random Access Memory. The portion of the printer’s memory used as a buffer and
for storing user-defined characters.
All
data stored in RAM is lost when the printer
is turned off.
reset
To
return
a printer to its defaults either by sending a command, an INIT signal, or
by turning the printer off and then back on.
ROM
Read Only Memory. A portion of memory that can only be read and cannot be used
for data storage. ROM retains its contents when you
turn off the printer.
self
test
A method for checking the operation of the printer. When you run the self test, the
printer prints the characters stored in its ROM.
so#ware
pfografn
A software program that helps you carry out a particular task,
such’as
word
processing or financial planning.
superscript
Printing in which each character is printed at about two-thirds the normal height in
the upper part of the character space.
unidirecttonai
prtnting
Printing in which the print head prints in one direction only. Unidirectional
printing is useful for printing graphics because it allows more precise vertical
alignment than bidirectional printing.
user-deffned
characters
Characters that are defined and stored in the printer by the user. Also called
download characters.
Gbssay
GL-3