ESC i Q 0x04 0x02 0x00 0x00 0x00 0x00 0x02 0x00 “123456789”- Page 49

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characters 

* Note: The number of characters that can be entered (listed above) is for an error 

correction level at a high-density level of L  7%. If the standard level or higher is set, the 

number of characters that can be entered may decrease. 

In addition, even if the characters are entered with a high-density level (L) specified, the 

number of characters that can be entered may decrease due to compression. 

③

  \\\: End of bar code 

      There must be three backslashes at the end of 2D bar codes.