
7156 Owner’s Guide Commands
October 1995 121
Print Bar Code (Receipt Station)
Selects the bar code type and prints a bar code for the ASCII characters entered.
Hex Decimal ASCII Value of n Value of c
1D 6B
n c1 c2...00
29 107
n c1 c2...00
GS k
n c1 c2...00
0-7
(See Table)
ASCII
Characters
00 = End of command.
n Bar Code Length
0 UPC-A Fixed Length
1 UPC-E Fixed Length
2 JAN13 (EAN) Fixed Length
3 JAN8 (EAN) Fixed Length
4 Code 39 Variable Length
5 Interleaved 2 of 5 Variable Length
6 Codabar Variable Length
7 Not Used
Note: Fixed length codes can be aligned left, center, or right using the Align
Positions (1B 61) command. Variable length codes are center aligned. When data
is present in the print buffer, this command is ignored. The required paper
feeding is performed, regardless of the current line spacing. If the horizontal size
exceeds one line, the excess data is not printed. Illegal data cancels the command.
The printer will calculate the check digit for the UPC and JAN (EAN) codes if it is
not sent from the host system. The printer will also generate six-character zero-
suppressed UPC-E tags from full 11 or 12 characters sent from the host system
according to standard UPC-E rules. Start/stop characters are provided for Code
39 if they are not included.
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