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

Table 95: IBM/Epson Select UPC A Command —
Start/Stop Codes and Center Bars for Parameter n
Value of n
UPC A 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

Print UPC A Bar Code Command

The command for printing a UPC A bar code is
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 E Bar Code Commands

UPC E bar coding is a six-digit variation of UPC A, used for labeling small items. The digits can
be any ASCII character from 0 to 9 (48 to 57 Dec, 30 to 39 Hex).

Select UPC E Bar Code Command

The command for selecting UPC E is
UPC E Parameters n and n
3
These parameters set the vertical length of the bars in units of 15/180", as calculated by the
equation
where the total value must be less than or equal to 25.
120 Chapter 11: Bar Code Commands for 24-Pin Printers
Start Code
5
1 12/360"
2 18/360"
3 27/360"
4 33/360"
5 42/360"
6 48/360"
7 57/360"
ESC DLE B m [data]
ESC DLE A m 1 4 n
4
[(n x 10) + n
3 4
Values (24-Pin Printers)
5
Center Bar Stop Code
28/360" 12/360"
38/360" 18/360"
53/360" 27/360"
63/360" 33/360"
78/360" 42/360"
88/360" 48/360"
103/360" 57/360"
n n 0 0 n
3 4 5 8
] x 15/180"