Epson EPI-4000 User Manual download pdf (Page 277)

memory

The part of the printer’s electronic system that is used to store

information. Some information is fixed and is used to control how

the printer operates. Information that is sent to the printer from the

computer (such as downloaded fonts and graphics) is stored

temporarily until it is printed out. See also RAM and ROM.

In the SelecType mode, you can change sixteen kinds of settings in

your printer, such as the paper size or font source. These sixteen

settings are called menus. See also option.

number systems

Three number systems are commonly used with printers:

decimal

is base 10 and uses the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

This is the most familiar system.

hexadecimal

(hex) is base I6 and uses the digits 0, 1, 2, 3, 4, 5, 6,

7, 8, 9, A, B, C, D, E, and F. This is frequently used by

programmers. Any decimal number between 0 and 255 can be

expressed by a two-digit hex number.

binary

is base 2 and uses only the digits 0 and 1. All information

in computer systems is handled in binary form to represent

electrical signals that are on or off. A binary digit is often called

a bit; any decimal number between 0 and 255 can be expressed

by an eight-bit binary number.

off line

When the printer is off line, it cannot communicate with the

computer.

line

When the printer is on line, it is able to communicate with the

computer.

Glossary

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Epson EPI-4000 User Manual Page 277