Oki MICROLINE ML521 Reference Manual

Chapter 11: Bar Code Commands for 24-Pin Printers 119
Interleaved 2 of 5 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 Interleaved 2 of 5 Bar Code Command
The command for printing Interleaved 2 of 5 bar codes 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.
UPC A Bar Code Commands
UPC bar coding is used in the supermarket industry. UPC A coding contains twelve digits: the
first six digits represent the manufacturer, the second six digits identify the product. The digits
can be any ASCII character from 0 to 9 (48 to 57 Dec, 30 to 39 Hex).
Select UPC A Bar Code Command
The command for selecting UPC A is
ESC DLE A m 1 0 n
3
n
4
n
5
0 0 n
8
UPC A Parameters n
3
and n
4
These parameters set the vertical length of the bars in units of 15/180", as calculated by the
equation
[(n
3
x 10) + n
4
] x 15/180"
where the total value must be less than or equal to 25.
UPC A Parameter n
5
This parameter sets the maximum width of one character in 1/360" increments as follows:
Table 94: IBM/Epson Select UPC A Command —
Character Widths for Parameter n
5
Values (24-Pin Printers)
Value of n
5
Character Width
1
2
3
4
5
6
7
35/360"
49/360"
70/360"
84/360"
105/360"
119/360"
140/360"
When calculating the width of the printout, you must take into consideration the Start Code
pattern, the Center bar pattern, and the Stop Code pattern as shown in the table which follows.

Oki MICROLINE ML521 Specifications

General

Brand	Oki
Model	MICROLINE ML521
Category	Printer
Language	English