LK-T21 Technical Manual
GS k m d1…dk NUL GS k m n d1…dn①②
[Name] Print bar code
[Format] ASCII GS k ① m d1…dk NUL
Hex 1D 6B m d1…dn 00
Decimal 29 107 m d1…dn 0
A② SCII GS k m n d1…dn
Hex 1D 6B m n d1…dn
Decimal 29 107 m n d1…dn
[Range] 0 ① ≤ m ≤ 6( k and d depends on the code system used)
65 ② ≤ m ≤ 73 n and d depends on the code system used)
[Description] Selects a bar code system and prints the bar code.
m selects a bar code system as follows:
m Bar Code System Number of Character Remarks
0 UPC – A 11 ≤ k ≤ 12 48 ≤ d ≤ 57
1 UPC – E 11 ≤ k ≤ 12 48 ≤ d ≤ 57
2 EAN13 12 ≤ k ≤ 13 48 ≤ d ≤ 57
3 EAN8 7 ≤ k ≤ 8 48 ≤ d ≤ 57
4 CODE39 1 ≤ k 48 ≤ d ≤ 57, 65 ≤ d ≤ 90,
32,36,37,43,45,46,47
5 ITF 1 ≤ k (even number) 48 ≤ d ≤ 57
①
6 CODABAR 1 ≤ k 48 ≤ d ≤ 57, 65 ≤ d ≤ 68, 36,43,45,46,47,58
65 UPC – A 11 ≤ n ≤ 12 48 ≤ d ≤ 57
66 UPC – E 11 ≤ n ≤ 12 48 ≤ d ≤ 57
67 EAN13 12 ≤ n ≤ 13 48 ≤ d ≤ 57
68 EAN8 7 ≤ n ≤ 8 48 ≤ d ≤ 57
69 CODE39 1 ≤ n ≤ 255 48 ≤ d ≤ 57, 65 ≤ d ≤ 90,
32,36,37,43,45,46,47
70 ITF 1 ≤ n ≤ 255
(even number)
48 ≤ d ≤ 57
71 CODABAR 1 ≤ n ≤ 255 48 ≤ d ≤ 57, 65 ≤ d ≤ 68,
36,43,45,46,47,58
72 CODE93 1 ≤ n ≤ 255 0 ≤ d ≤ 127
②
73 CODE128 2 ≤ n ≤ 255 0 ≤ d ≤ 127
[Details for ] ·This command ends with a NUL code.①
·When the bar code system used is UPC-A or UPC-E, the printer prints the bar code data
after receiving 12 bytes bar code data and processes the following data as normal data.
·When the bar code system used is JAN 13, the printer prints the bar code after receiving
13 bytes bar code data and processes the following date as normal data.
·When the bar code system used is JAN 8, the printer prints the bar code after receiving 8
bytes bar code data and processes the following data as normal data.
·The number of data for ITF bar code must be even numbers. When
an odd number of data is input, the printer ignores the last received
data.
[Details for ] ·② n indicates the number of bar code data, and the printer processes n bytes from the next character
data as bar code data.
·If n is outside of the specified range the printer stops command processing and processes
the following data as normal data.
[Details in standard made]
·If d is outside of the specified range, the printer only feeds paper and process the following
72
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