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Status Polling Commands (RS-232)
<ESC>!?
Description
This command obtains the printer status at any time, even in the event of printer error. An
inquiry request is solicited by sending an <ESC> (ASCII 27, escape character) as the beginning
control character to the printer. A one byte character is returned, flagging the printer status.
A 0 signifies the printer is ready to print labels.
Syntax
<ESC>!?
Parameter Description
N/A N/A
Bit (return value ) Status
0 Head opened
1 Paper jam
2 Out of paper
3 Out of ribbon
4 Pause
5 Printing
6 Cover opened (option)