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Bar code F:
EAN-13 (JAN-13)
This bar code consists of only numeric characters and is 13-digit fixed
length. The 12-digit numerics are input from the computer or
applications software and the 13th digit is a checksum automatically
calculated by the printer. When the computer sends the 13th digit
numeric, the printer compares the characters with the calculated
checksum. If they do not agree, the printer prints all bar codes 0
(zero). If supplementary code is to be added, refer to item of bar
code M and N. Element size is 1 : 1, 2 : 2, 3 : 3, 4 : 4, 6 : 6, and 8 : 8.
Bar code G:
EAN-8 (JAN-8)
This bar code consists of only numeric characters and is 8-digit fixed
length. The 7-digit numerics are input from the computer or
applications software and the 8th digit is a checksum automatically
calculated by the printer. When the 8th digit numeric is sent from
the computer, the printer compares the characters with the
calculated checksum. If they do not agree, the printer prints all bar
codes 0 (zero). If supplementary code is to be added, refer to item
of bar code M and N. Element size is 1 : 1, 2 : 2, 3 : 3, 4 : 4, 6 : 6,
and 8 : 8.