Lexmark 248X Manual Do Utilizador

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Glossary
219
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.
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.