GPRINTER GP-2120T - Page 36

THERMAL BARCODE PRINTER SERIES 32
31. ~!@
Description
This command is used to inquire the mileage of the printer. The integer part
of mileage is returned (the decimal part of mileage is not return). It is returned to
PC in ASCII characters. The ending character of mileage is 0x0D.
Syntax
~!@
Parameter Description
N/A N/A
Example
~!@
32. ~!A
Description
This command is used to inquire about the free memory of the printer. The
number of bytes of free memory is returned in decimal digits, with 0x0d as
ending code of PC.
Syntax
~!A
Parameter Description
N/A N/A
Example
~!A
See Also
FILES