Printronix SL5000 参照マニュアル
234
Chapter
7
Bar Codes
FCCn & customer information (INFOn) comprises of the first three digits of the
data field as shown in the following example. Note that the length of the data
field is FCCn (two digits) + INFOn (one digit) + data. i.e. data + 3.
data field as shown in the following example. Note that the length of the data
field is FCCn (two digits) + INFOn (one digit) + data. i.e. data + 3.
ESC|}; CH; 0; 0008; 0009; 020; 62100141544adcogre117; PA; H08, D
Readable Data
The optional readable data field provides a readable interpretation of the bar
code data. It can be printed above or below the bar code symbol. The
readable field prints left-aligned below the bar code structure.
code data. It can be printed above or below the bar code symbol. The
readable field prints left-aligned below the bar code structure.
Codabar
The Codabar structure is shown in Figure 7 and described below.
Figure 7. Codabar Structure
Quiet Zone
Both ends of the bar code structure require blank quiet zones. The quiet
zones must be at least 0.25 inches wide and completely blank to ensure
accurate reading of the start/stop codes and to prevent adjacent bar codes
from overlapping. Be sure to provide sufficient space on the form for the quiet
zones.
zones must be at least 0.25 inches wide and completely blank to ensure
accurate reading of the start/stop codes and to prevent adjacent bar codes
from overlapping. Be sure to provide sufficient space on the form for the quiet
zones.
Start/Stop Codes
The start/stop code is a unique character identifying the leading and trailing
end of the bar code. The start/stop code is automatically produced with each
bar code. The start/stop code structure permits bidirectional bar code
scanning.
end of the bar code. The start/stop code is automatically produced with each
bar code. The start/stop code structure permits bidirectional bar code
scanning.
xxxx = 8
yyyy = 9
DATA FIELD
QUIET
QUIET
START
STOP
LOWER GUARD BAND
CODE
CODE
ZONE
ZONE
OPTIONAL READABLE DATA FIELD
CHECK DIGIT
OPTIONAL
SR, SC
HEIGHT
POSITION
UPPER GUARD BAND