Lexmark 248X, 249X manual Glossary

A

APA. All points addressable.

B

bidirectional. Printing in either direction, right-to-left or left-to-right.

buffer storage. A temporary storage area for holding input or output data.

byte. The representation of a character. Usually, 8 bits grouped together as a unit make up a byte.

C

characters-per-inch (cpi). The number of characters printed within 1 inch horizontally across a page.

characters-per-line (cpl). The maximum number of characters that can be printed on a line at a specified pitch.

characters-per-second (cps). The number of characters printed in 1 second.

check character. A character within a barcode that, when scanned, validates the barcode was read correctly.

code page. A set of 256 graphic designs (characters) associated with unique code values from 0 through 255, x00 to xFF.

control code. Tells the printer to perform a function, such as changing line space.

cpi. See characters-per-inch.

cpl. See characters-per-line.

cps. See characters-per-second.

Glossary

D

default. A value, parameter, or attribute the printer uses when none is specified.

DP. Draft Print. A style of print used for draft material. Compare with Letter Quality print mode.

dpi. Dots per inch.

E

ELQ. Enhanced letter quality.

Escape sequence. Two or more characters of information that let you change the way the printer is currently printing.

F

flag character. Used by UPC-A and EAN-13 for number system encoding and country code.

font. A set of characters of a given size and style.

H

Hertz (HZ). A unit of frequency equal to 1 cycle per second.

human readable characters. Numbers or letters printed below a barcode.

I

impact printer. A printer that uses mechanical impacts to generate character images.

Glossary 219