Compuprint 9058 Programmer Manual - Manual (Page 76)

COMPUPRINT Mode
A78408098-003 74
UPC-E
DC4 DC4 ESC! n 4 p EM
UPC-E bar code data fields contain numeric data
only: question marks will be printed in place of HRC
string otherwise, if possible.
If 12-digit strings will be received within a DC4 DC4
ESC (... EM control sequence and o check-digit
option field is missing or takes values 0 or 2, the
symbol is compressed as received to an 8-digit string
and encoded, even though this may affect its
readability; if o check digit option field takes values
1 or 3, the 12
th
digit is matched against the
internally generated check digit. The question
marks will be printed in place of HRC string when
mismatch is found, if possible.
If 11-digit strings will be received and o check digit
field is missing or takes values 0 or 2, question
marks will be printed in place of HRC string, when
possible; if o field takes value 1, the 12
th
digit is
inserted by the printer as result of the internally
available algorithm applied to the received string.
If 10-digit strings will be received and o check-digit
is missing or takes NULL value, question marks will
be printed in place of HRC string, if possible; if o
field takes value 1, a default 0 System-Digit will be
automatically inserted by the printer and the 12
th
digit will also be inserted as result of he internally
available algorithm applied to the final string.
If the final UPC-A string cannot be compressed to
an 8-digits string or the received System-Digit is
different than 0 or 1, question marks will be printed
in place of HRC string, if possible.