Esc k select font, Esc t select character code set, Esc k – Brother QL-720NW User Manual
Page 29: Select font, Esc t, Select character code set

ESC/P Command Reference
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5. Control Command Details
ESC k
Select font
ASCII: ESC
k
n
Decimal: 27
107
n
Hexadecimal: 1B
6B n
Parameters
0≤n≤4, 9≤n≤11
Description
Selects the font.
Bitmap Fonts
Outline Fonts
n=0
Brougham (fixed pitch)
n=9
Letter Gothic (fixed pitch)
n=1
Letter Gothic Bold (fixed pitch)
n=10
Brussels (proportional pitch)
n=2
Brussels (proportional pitch)
n=11
Helsinki (proportional pitch)
n=3
Helsinki (proportional pitch)
n=4
San Diego (proportional pitch)
The default value is n=0 (Brougham (fixed pitch)).
If the font is changed from a bitmap font to outline font, the character size is changed to the default setting
(42 dots).
If the font is changed from an outline font to bitmap font, the character size is changed to default setting
(32 dots).
ESC t
Select character code set
ASCII: ESC
t
n
Decimal: 27
116
n
Hexadecimal: 1B
74
n
Parameters
n=0, 1, 2
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)
The default setting is n=2.