Epson LQ 670 User Manual - Page 159

Barcode data

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c: Control flag Bit 0 = Check d igit 0: The printer does not add a check d igit. 1: The printer ad d s a check d igit. Bit 1 = H um an read able character (H RC) 0: The printer ad d s the H RC. 1: The p rinter d oes not ad d the H RC. Bit 2 = Position of flag character (for EAN -13 and UPC-A only) 0: Center 1: Und er Bits 3−7 = N ot used Ba rcode da ta Barcod e data corresponds to the barcode sym bology. The data num ber of each barcod e typ e is constant. The barcod e is printed only if the follow ing valid characters are set. Ba rcode type EAN-13 EAN-8 Interlea ve d 2 of 5 UPC -A UPC -E Cod e 39 Cod e 128 PO STNET Number of va lid cha ra cters 1 (HEX) 0D 8 2 to FF 0C 0C or 8 1 to FF 2 to FF 6 or 0A o r 0C Number of va lid cha ra cters 2 (HEX) 0C 7 2 to FF 0B 0B o r 7 1 to FF 2 to FF 5 o r 9 or 0B N u m ber of valid characters 1: Control flag c b0=0 N u m ber of valid characters 2: Control flag c b0=1 B-4 Command Lists and Character Tables

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c
: Control flag
Bit 0 = Check digit
0: The printer does not add a check digit.
1: The printer adds a check digit.
Bit 1 = Human readable character (HRC)
0: The printer adds the HRC.
1: The printer does not add the HRC.
Bit 2 = Position of flag character (for EAN-13 and UPC-A only)
0: Center
1: Under
Bits 3
-
7 = Not used
Barcode data
Barcode data corresponds to the barcode symbology. The data number of
each barcode type is constant. The barcode is printed only if the following
valid characters are set.
Barcode type
Number of valid
c ha ra c te rs 1 (HEX)
Number of valid
characters 2 (HEX)
EAN-13
EAN-8
Interleaved 2 of 5
UPC -A
UPC -E
Code 39
Code 128
PO STNET
0D
8
2 to FF
0C
0C or 8
1 to FF
2 to FF
6 or 0A or 0C
0C
7
2 to FF
0B
0B o r 7
1 to FF
2 to FF
5 or 9 or 0B
Number of valid characters 1: Control flag c b0=0
Number of valid characters 2: Control flag c b0=1
B-4
Command Lists and Character Tables