Brother TD-4100N - Manual (Page 99)

ESC iXX1 Retrieve default character size
[ASCII] ESC i X X 1 n1 n2
[Decimal] 27 105 88 88 49 n1 n2
[Hexadecimal] 1B 69 58 58 31 n1 n2
[Parameters] n1:00h (Fixed)
n2:00h (Fixed)
[Description]
・ The default character size setting is returned as 4-byte data.
[1]: 02h (Fixed)
[2]: 00h (Fixed)
[3, 4]: n3 n4 Settings
n3+(n4*256): Default character size (dots)
・ The retrieved value is a value specified by a static command.
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