
Technical Updates SNBC CONFIDENCIAL
Shandong New Beiyang Information Technology Co.,Ltd.
Page 33
[Format]
ASCII
GS
/
m
Hex
1D
2F
m
Decimal
29
47
m
[Range]
0
≤
m
≤
3, 48
≤
m
≤
51
[Description] Prints a downloaded bit image using the mode specified by m.
m selects a mode from the table below:
m
Mode
Vertical Dot Density (DPI)
Horizontal Dot Density (DPI)
0, 48
Normal
203
203
1, 49
Double-width
203
101
2, 50
Double-height
101
203
3, 51
Quadruple
101
101
[Notes]
· This command is ignored if a downloaded bit image has not been defined.
· In standard mode, this command is effective only when there is no data in the print buffer.
· This command has no effect in the print modes (emphasized, double-strike, underline,
character size, or white/black reverse printing), except for upside-down printing mode.
· If the downloaded bit-image to be printed exceeds the printable area, the excess data is
not printed.
· If the printing area set by
GS L
and
GS W
is less than that needed by
GS /
, the process
as below shall be executed immediately(but cannot exceed Max. printing width).
1) The printing area extends to the right for meeting the data volumn of bit image.
2) If step 1) cannot provide enough width, the left margin shall be reduced to meet the bit
image width.
· For a dot of bit image in standard mode (m=0.48) and double height mode (m=2.50), the
printer shall print one dot; For a dot of bit image in double width mode (m=1.49) and
double height/width mode (m=3.51), the printer shall print two dots.
[Reference]
GS *
GS :
[Name]
Start/end macro definition
[Format]
ASCII
GS
:
Hex
1D
3A
Decimal
29
58
[Description] Starts or ends macro definition.
[Notes]
· Macro definition starts when this command is received during normal operation.
Macro definition ends when this command is received during macro definition.
· When
GS ^
is received during macro definition, the printer ends and clear macro
definition.
· Macro is not defined when the power is turned on.
· The defined contents of the macro are not cleared by
ESC @
. Therefore,
ESC @
can be included in the contents of the macro definition.
· The contents of the macro can be defined up to 1023 bytes. If the macro
definition exceed 1023 bytes, excess data is treated as normal data..
[Reference]
GS ^