Oki ML591 MICROLINE Reference Manual - Page 149

EAN 13 Bar Code Commands

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Print EAN 8 Bar Code Command The command for printing an EAN 8 bar code is ESC DLE B m [data] where parameter m designates the number of characters which will follow in the data. If you wish to include a check digit, enter the ASCII character @ (64 Dec, 40 Hex) at the end of the data. EAN 13 Bar Code Commands EAN 13 encodes 13 digits and contains the same number of bars as UPC A. The thirteenth digit combined with the twelfth digit provides a code representing a country. The digits can be any ASCII character from 0 to 9 (48 to 57 Dec, 30 to 39 Hex). Select EAN 13 Bar Code Command The command for selecting EAN 13 is ESC DLE A m 0 2 n3 n4 n5 0 0 n8 EAN 13 Parameters n3 and n4 These parameters set the vertical length of the bars in 6/72", as calculated by the equation [(n3 x 10) + n4] x 6/72" where the total value must be less than or equal to 25. EAN 13 Parameter n5 This parameter sets the maximum width of one character in 1/144" increments as follows: Table 83: IBM/Epson Select EAN 13 Command - Maximum Character Widths for Parameter n5 Values (9-Pin Printers) Value of n5 1 2 3 4 5 6 7 Character Width 19/144" 26/144" 33/144" 40/144" 47/144" 54/144" 61/144" When calculating the width of the printout, you must take into consideration the left hand guard pattern, the center guard pattern and the right hand guard pattern. EAN 13 Parameter n8 This parameter sets whether or not the readable characters are printed. n8 = 1: print readable characters n8 = 0: do not print readable characters Print EAN 13 Bar Code Command The command for printing EAN 13 bar codes is ESC DLE B m [data] Chapter 10: Bar Code Commands for 9-Pin Printers 111

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Chapter 10: Bar Code Commands for 9-Pin Printers
111
Print EAN 8 Bar Code Command
The command for printing an EAN 8 bar code is
ESC DLE B m [data]
where parameter m designates the number of characters which will follow in the data. If you
wish to include a check digit, enter the ASCII character @ (64 Dec, 40 Hex) at the end of the
data.
EAN 13 Bar Code Commands
EAN 13 encodes 13 digits and contains the same number of bars as UPC A. The thirteenth digit
combined with the twelfth digit provides a code representing a country. The digits can be any
ASCII character from 0 to 9 (48 to 57 Dec, 30 to 39 Hex).
Select EAN 13 Bar Code Command
The command for selecting EAN 13 is
ESC DLE A m 0 2 n
3
n
4
n
5
0 0 n
8
EAN 13 Parameters n
3
and n
4
These parameters set the vertical length of the bars in 6/72", as calculated by the equation
[(n
3
x 10) + n
4
] x 6/72"
where the total value must be less than or equal to 25.
EAN 13 Parameter n
5
This parameter sets the maximum width of one character in 1/144" increments as follows:
Table 83: IBM/Epson Select EAN 13 Command —
Maximum Character Widths for Parameter n
5
Values (9-Pin Printers)
Value of n
5
Character Width
1
2
3
4
5
6
7
19/144"
26/144"
33/144"
40/144"
47/144"
54/144"
61/144"
When calculating the width of the printout, you must take into consideration the left hand
guard pattern, the center guard pattern and the right hand guard pattern.
EAN 13 Parameter n
8
This parameter sets whether or not the readable characters are printed.
n
8
= 1: print readable characters
n
8
= 0: do not print readable characters
Print EAN 13 Bar Code Command
The command for printing EAN 13 bar codes is
ESC DLE B m [data]