Print Upc E Bar Code Command; Ean 8 Bar Code Commands; Select Ean 8 Bar Code Command - Oki MICROLINE ML521 Reference Manual

n = 0: do not print readable characters
8

Print UPC E Bar Code Command

The command for printing a UPC E bar code is
where m designates the number of characters which will follow in the data. A check digit
cannot be used with UPC E bar codes.
EAN 8 Bar Code Command s
EAN bar coding is a variation of UPC coding. EAN 8 encodes eight digits. The digits can be any
ASCII character from 0 to 9 (48 to 57 Dec, 30 to 39 Hex).

Select EAN 8 Bar Code Command

The command for selecting EAN 8 is
EAN 8 Parameters n and n
3
These parameters set the vertical length of the bars in 6/72", as calculated by the equation
where the total value must be less than or equal to 25.
EAN 8 Parameter n
5
This parameter sets the maximum width of one character in 1/144" increments as follows:
Table 82: IBM/Epson Select EAN 8 Command —
Maximum Character Widths for Parameter n
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 8 Parameter n
8
This parameter sets whether or not the readable characters are printed.
n = 1: print readable characters
8
n = 0: do not print readable characters
8
110 Chapter 10: Bar Code Commands for 9-Pin Printers
ESC DLE B m [data]
ESC DLE A m 0 1 n
4
[(n x 10) + n
3
Value of n Character Width
5
1
2
3
4
5
6
7
n n 0 0 n
3 4 5 8
] x 6/72"
4
Values (9-Pin Printers)
5
19/144"
26/144"
33/144"
40/144"
47/144"
54/144"
61/144"