- “d” indicates the characters to be printed and “k" indicates
the number of characters to be printed.
n
Bar code system
0
UPC-A
1
IPC-E
2
JAN13(EAN)
3
JAN8(EAN)
4
CODE39
5
ITF
6
CODABAR
. When data is present in the print buffer, this command is
ignored.
- Performs the paper feeding required for printing the bar
code, regardless of the current line spacing.
. In each bar code system, if a character code “d" cannot be
printed, the printer prints the processed data and the
following data is treated as normal data.
l When a bar code system with a fixed number of printing
characters is selected, the number of characters “k”
should be agreed with that number.
l
If the horizontal size exceeds one line, the excess data is not

n = 0

printed.
GS w n
Select horizontal size (magnification) of bar code.
< 1D >H< 77 >H< n >
Selects the horizontal size of the bar code.
n = 3

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