5525B/31/32 Line Matrix Printer Code V Programmer's Reference Manual

UPC-A
201
UPC-A
The UPC-A bar code can be printed with or without a 2- or 5-digit add-on data
field, which is placed at the end of the bar code. The UPC-A bar code
structure is shown in Figure 20 and described on the following pages.
Figure 20. UPC-A Structure
QUIET
ZONE
START CODE CENTER CODE
CHECK DIGIT FIELD
STOP CODE
LEFT DATA
FIELD
RIGHT DATA
FIELD
HEIGHT
QUIET
ZONE
OPTIONAL READABLE
STARTING
POSITION
N
NUMBER
SYSTEM
CHARACTER
C
CHECK DIGIT
CHARACTER
NUMBER SYSTEM
CHARACTER FIELD
DATA FIELD
QUIET
ZONE
CHECK
DIGIT
LEFT
DATA
FIELD
CENTER CODE
RIGHT
DATA
FIELD
QUIET
ZONE
STOP CODE
HEIGHT
STARTING
FIELD
START CODE
NUMBER
SYSTEM
CHARACTER
N
NUMBER SYSTEM
CHARACTER FIELD
C
CHECK
DIGIT
CHARACTER
POSITION
OPTIONAL
READABLE
DATA
FIELD
2- OR 5-
DIGIT ADD-
ON CODE
2- OR 5-
DIGIT ADD-
ON CODE