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