ESC/POS Command Manual
45
When CODE 128 (m = 73) is used:
Refer to Appendix J for the information of the CODE 128 bar code and is
code table.
When using the CODE 128 in this printer, take the following points into
account for data transmission:
①
The top of the bar code data string must be code set selection
character (any of CODE A, CODE B or CODE C) which selects the first code set.
②
Special characters are defined by combining two characters
“{“ and one character. The ASC
character “{“ is defined by transmitting “{“ twice
Ⅱ
consecutively.
Transmit data
Specific character
ASC
Ⅱ
Hex
Decimal
SHIFT
{S
7B,53
123,83
CODE A
{A
7B,41
123,65
CODE B
{B
7B,42
123,66
CODE C
{C
7B,43
123,67
FNC1
{1
7B,31
123,49
FNC2
{2
7B,32
123,50
FNC3
{3
7B,33
123,51
FNC4
{4
7B,34
123,52
“{“
{{
7B,7B
123,123
[Example] Example data for printing “No. 123456”
In this example, the printer first prints “No.” using CODE B, then prints
the following numbers using CODE C.
GS k 73 10 123 66 78 111 46 123 67 12 34 56
If the top of the bar code data is not the code set selection character, the
printer stops command processing and processes the following data as
normal data.
If combination of “{“and the following character does not apply any
special character, the printer stops command processing and processes
the following data as normal data.
If the printer receives characters that cannot be used in the special code
set, the printer stops command processing and processes the following
data as normal data.
The printer does not print HRI characters that correspond to the shift
characters or code set selection characters.
HRI character for the function character is space.
