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Printer Status Commands
Query Print Buffer & Timer-MCR Status STX
This command will cause the printer to print the battery status
Printer Response
Print Buffer Status ESC B <4 ASCII digits> CR LF
Timer-MCR Status ESC M <4 ASCII digits> CR LF
Note that the first three digits of the Timer-MCR field correspond to the printer times. The last byte indicates that the
MRC track is currently activated in the printer.
Query Print Buffer, Battery Voltage, Timer-MCR & Print Head Temperature SYN
This command will cause the printer to send the following information to the host:
Printer Response
Print Buffer Status ESC B <4 ASCII digits> CR LF
Battery Voltage Status ESC V <4 ASCII digits> CR LF
Timer-MCR Status ESC M <4 ASCII digits> CR LF
Print Head Temperature ESC T <4 ASCII digits> CR LF
Note that the first three digits of the Timer-MCR field correspond to the printer times. The last byte indicates that the
MRC track is currently activated in the printer.
Print Battery Voltage ESC P ^
This command will enable the printer to output the battery voltage reading.
Escape Sequence: ESC P ^
Hexadecimal: 1B 50 5E
Decimal: 27 80 94
Query Printer Firmware Version ESC P (
This command will cause the printer to send the Firmware Version to the host.
Escape Sequence: ESC P (
Hexadecimal: 1B 50 28
Decimal: 27 80 40
After sending the previous command, the printer will respond with the following ASCII sequence:
ASCII Sequence: <string> CR LF
The <string> field represents the firmware version.