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ASCII
Dec.
Hex.
Description
c: Control flag
Bit 0 = Check digit
0: A check digit is not added
by the printer
1: A check digit is added by the
printer
Bit 1 = Human readable character
(HRC)
0: The HRC is added by the
printer
1: The HRC is not added by the
printer
Bit 2 = Position of flag character
(for EAN-13 and UPC-A only)
0: Center
1: Under
Barcode data
Bits 3-7 = Not used
Barcode data corresponds to the barcode symbology. The data number of
each barcode type is constant. The barcode is not printed if the following
valid characters are not set.
Barcode Type
Number
of valid
Number
of valid
characters 1 (HEX)
characters 2 (HEX)
EAN-13 0D
0C
EAN-8
8
7
Interleaved 2
of 5
2 to FF 2 to FF
UPC-A
0C 0B
UPC-E
0C or 8
0B or 7
Code 39
1 to FF 1 to FF
Code 128
2 to FF 2 to FF
POSTNET
6 or 0A or 0C 5 or 9 or 0B
Number of valid characters 1: Control flag c b0=0
Number of valid characters 2: Control flag c b0=l
A-26
Specifications, Command Summary, and Character Tables