OKI ML390 参考指南
Chapter 10: Bar Code Commands for 9-Pin Printers
109
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).
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
ESC DLE A m 1 4 n
3
n
4
n
5
0 0 n
8
UPC E Parameters n
3
and n
4
These parameters set the vertical length of the bars in units of 6/72", as calculated by the
equation
equation
[(n
3
x 10) + n
4
] x 6/72"
where the total value must be less than or equal to 25.
UPC E Parameter n
5
This parameter sets the maximum width of one character in 1/144" increments as follows:
Table 80: IBM/Epson Select UPC E Command —
Character Widths for Parameter n
5
Values (9-Pin Printers)
Value of n5
Character Width
1
2
3
4
5
6
7
2
3
4
5
6
7
19/144"
26/144"
33/144"
40/144"
47/144"
54/144"
61/144"
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 Start Code
and Stop Code patterns as shown in the table which follows.
and Stop Code patterns as shown in the table which follows.
Table 81: IBM/Epson Select UPC E Command —
Start and Stop Codes for Parameter n
5
Values (9-Pin Printers)
Value of n5
Start Code
Stop Code
1
2
3
4
5
6
7
2
3
4
5
6
7
6/144"
9/144"
9/144"
12/144"
15/144"
18/144"
21/144"
24/144"
15/144"
18/144"
21/144"
24/144"
15/144"
21/144"
27/144"
33/144"
39/144"
45/144"
51/144"
21/144"
27/144"
33/144"
39/144"
45/144"
51/144"
UPC E Parameter n
8
This parameter sets whether or not the readable characters are printed.
n
8
= 1: print readable characters