Si specify compressed characters, Esc si specify compressed characters, Specify compressed characters – Brother RJ-4040 User Manual
Page 38: Esc si
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ESC/P Command Reference
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5. Control Command Details
SI
Specify compressed characters
ASCII: SI
Decimal: 15
Hexadecimal: 0F
Parameters
None
Description
Prints the subsequent text at half width.
ESC SI
Specify compressed characters
ASCII: ESC
SI
Decimal: 27
15
Hexadecimal: 1B
0F
Parameters
None
Description
Same as SI
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