Citizen CBM-231 User Manual page 50

(30) Printing the bar code (GS k n Dn NUL)
Code : [1D]h + [6B]h + n + Dn + [00]h
* {0 n 7}
Selects the bar code system and prints the bar code.
The beginning of the line is assumed to be the next printing start position.
selects the bar code system listed in the table below, depending on the valu es of "n".
Dn denotes the characters to be printed.
n (Hex)
0
1
2
3
4
5
6
7
When the data exists in the print buffer, this command is ignored.
When the character code Dn denotes the unprintable characters, the subsequent data is treated as normal
printing data.
When you select the bar code system where the fixed number of characters is printed, the number of
characters must coincide with the number of characters printed.
When the horizontal direction exceeds the length of one line, the surplus portion is not printed.
The data is described with the hexadecimal code.
Bar code system
UPC-A
UPC-E
JAN13 (EAN)
AN 8 (EAN)
CODE 39
ITF
CODABAR
CODE 128
45
CBM-230/231 User's Manual
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