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

 

 

 

Bits 3-7 = Not used

Barcode data

 

 

 

 

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