Brother TD-4100N - Manual (Page 37)

ESC SP Specify character spacing
[ASCII] ESC SP n
[Decimal] 27 32 n
[Hexadecimal] 1B 20 n
[Parameters] 0 ≤ n ≤ 127
[Description]
・ Specifies the character spacing.
・ n indicates the number of dots.
・ The default setting is 0 dot.
・ With double-width characters, the character spacing is doubled, with half-width
characters, it is halved.
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