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GS q Print UPC/EAN Checksum
DESCRIPTION
Prints the checksum digit for the specified bar code. The
checksum digit is printed in the current font, at the current text
position. Currently the only supported symbologies are the
UPC/EAN bar codes.
EXPRESSION
ASCII GS q n m d1…dm
Decimal 29 113 n m d1…dm
Hex 1D 71 n m d1…dm
PARAMETERS
n = selects the bar code symbology to be used
m = specifies the number of characters to be encoded
d1...dm = the data characters to be encoded
EXAMPLE
For an example of this command’s usage, see Appendix A,
page 92, Example 40.
For an example of this command using the Caret feature see page
102, Example 40.
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