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Chapter 7 Barcodes
UPC Version A (Type 12)
Character Set 0 1 2 3 4 5 6 7 8 9
Data Limits Data is limited to 10 digits. Each symbol as exactly 10 data digits
preceeded by a number system digit followed by a check digit. If
10 characters are sent, the printer supplies zero as the number
system check. If 11 digits are sent, the first digit is used as the
number system digit. The printer calculates and encodes the
check digit. If more than 11 or less than 10 digits or any invalid
characters are sent, the number system digit and the invalid
characters are encoded as a solid black character.
Examples:
Horizontal with Data Processing Font,
^B12;80;1;2<CRLF> 9876543210<CRLF> prints
Vertical without Data Processing Font,
^C12;80;1<CRLF> 9876543210<CRLF> prints: