These commands select a bar code symbology and print the bar code, m specifies the bar code symbology as follows:
m
Bar code
Number of
system
characters
0
UPC-A
1
UPC-E
K = 10
2
EAN13
K = 12
1 3
EAN8
4
CODE39
1 ≤ k (even numbers)
5
ITF
6
CODABAR
65
UPC-A
n = 10
66
UPC-E
n = 10
n ≤ 12
67
EAN13
68
EAN8
2 69
CODE39
1 ≤ n (even numbers)
70
ITF
71
CODABAR
72
CODE 93
n<255
73
CODE 128 C
n<255
74
CODE 2/5
n<255
75
POSTNET
n=5, 6, 8, 9, 11
76
EAN 128
n<255
77
CODE 39 with
n<255
checksum
78
ITF
with
n<255
checksum
79
UPCA +2
80
UPCE +2
81
EAN 13 +2
82
EAN 8 +2
83
UPCA +5
84
UPCE +5
85
EAN 13 +5
86
EAN 8 +5
87
CODE 128 A
n<255
88
CODE 128 B
n<255
89
CODE
128
n<255
automatic
GS H n : Select printing position of human readable characters
ASCII
: GS H n
Hexadecimal
: 1D 48 n
Decimal
: 29 72 n
0 ≤ n ≤ 3
48 ≤ n ≤ 51
This command selects the printing position for human readable characters when printing a bar code. The default setting is n=0. Human readable characters are printed using the font
specified by GS f n. Select the printing position as follows: