Brother TD-2120N - Manual (Page 30)

ESC/P Command Reference
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5. Control Command Details
ESC t Select character code set
ASCII: ESC t n
Decimal: 27 116 n
Hexadecimal: 1B 74 n
Parameters
0≤n≤4
Description
 From the three built-in character code sets, selects the character code set used.
n=0: Standard character code set
n=1: Eastern European character code set
n=2: Western European character code set
n=3: Reserved
n=4: Japanese character code set
 The default setting is n=0.