Brother HL-1050 Technical Reference Manual page 304

Select italic mode
Esc4 (27)(52)
 This command enables the italic printing mode. Subsequent text is printed in italic style.
 You can still use italic text even after selecting the extended character set with the Esc t command.
LPRINT CHR$(27); CHR$(52); 'Italic mode
Cancel italic mode
Esc5 (27)(53)
This command cancels the italic printing mode. Subsequent text is printed upright.
LPRINT CHR$(27); CHR$(53); 'Cancel italic mode
Select superscript / subscript mode
EscSn (27)(83)n
 This command allows you to print superscripts or subscripts.
 Set n to 0 to print subsequent text using superscript characters.
 Set n to 1 to print subsequent text using subscript characters.
 When you specify the value for n you may use the character codes for '0' and '1' (48 and 49) instead of 0 and
1.
 Selecting either superscript or subscript mode cancels double-height printing mode.
 You can cancel either superscript or subscript mode with the Esc T command.
LPRINT CHR$(27); CHR$(83); CHR$(0); 'Turn on superscript mode
Cancel superscript / subscript mode
EscT (27)(84)
 This command cancels superscript or subscript printing mode.
 Subsequent text is printed using normal characters.
LPRINT CHR$(27); CHR$(84); 'Turn off superscript mode
Select / cancel double-height printing
Escwn (27)(119)n
 This command turns double-height printing on or off.
 If n is set to 1 subsequent text is printed using double-height characters. The line space setting is doubled.
 If n is set to 0 subsequent text is printed using normal sized characters. The previous line spacing is restored.
 When you specify a value for n you may also use the character codes for '0' and '1' (48 and 49) instead of 0
and 1.
 You cannot use superscript, subscript or condensed printing modes in conjunction with double-height
printing. If you try to select any of these three modes while in double-height printing the command will be
ignored.
LPRINT CHR$(27); CHR$(119); CHR$(1); 'Set double-height printing mode
Select / cancel underline mode
Esc–n (27)(45)n
 This command turns character underlining on or off.
 If n is set to 1 subsequent text is printed underlined. All characters, including space characters, are
underlined with a continuous line.
 Horizontal tabbed spaces are never underlined.
 If n is set to 0 subsequent text is not underlined.
 When you specify a value for n you may also use the character codes for '0' and '1' (48 and 49) instead of 0
and 1.
LPRINT CHR$(27); CHR$(45); CHR$(1); 'Underline following text
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CHAPTER 6 EPSON - 20