Epson SQ-2550 User Manual page 296

control code
Besides the codes for printable characters, the ASCII standard
also includes 33 other codes which are called control codes.
These control codes perform such functions as sounding the
beeper and performing a carriage return or line feed.
cut sheet feeder
An optional, detachable device that automatically feeds single
sheets of paper into the printer.
data dump
A troubleshooting feature. When the printer is in data dump
mode, each code that is receives is printed in hexadecimal
notation as well as ASCII codes that stand for the characters.
Sometimes called hex dump.
decimal
See number systems.
default
A value or setting that takes effect when the equipment is
turned on, reset, or initialized.
dot graphics
A graphic design formed by patterns of dots.
dot matrix
A method of printing in which each letter or symbol is formed
by a pattern (matrix) of individual dots.
double-height printing
Printing in which each character is twice as high as normal.
Glossary
Glossary GL-3