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 remains, even 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.
software program
A software program that helps you carry out a particular task, such as
word processing or financial planning.
subscript
Printing in which each character is printed at about two-thirds the normal
height in the lower part of the character space.
superscript
Printing in which each character is printed at about two-thirds the normal
height in the upper part of the character space.
fear off
A paper feed operation that automatically feeds the perforation of
continuous paper to the tear-off position so you can tear it off easily, and
then feeds the paper back to the loading position.
Glossary GL-5