Epson Y465ss127mo - Manual (Page 226)

DC4 Cancel Double-Wide Mode (one line)
Format:
ASCII code: DC4
Decimal: 20
Hexadecimal:
14
Comments:
Cancels one-line double-wide printing selected by SO or ESC SO, but
not double-wide printing selected by ESC W or ESC !.
ESC w Turn Double-High Mode On/Off
Format:
ASCII code: ESC n
Decimal: 27
119
n
Hexadecimal: 1B 77 n
Comments:
The following values can be used for n:
1: Mode is turned ON.
0: Mode is turned OFF.
Double-high mode doubles the height of all characters. You may need
to adjust line spacing to compensate for the height of these characters.
8-26 Command Summary