Epson 8900 Series - Manual (Page 182)

Select Italic Print
Escape sequence: ESC 4
Hexadecimal: 1B 34
This command causes the printer to print characters from the Epson italic
character set for either draft or LQ printing. This command is valid even if
the printer has received an ESC t SOH command to invoke the Epson
extended graphics character set; however, character graphics cannot be
italicized.
Cancel Italic Print
Escape sequence: ESC 5
Hexadecimal: 1B 35
Select Master Print Mode
Escape sequence: ESC ! n
Hexadecimal: 1B 6B n
This command selects a type style for LQ and draft-quality printing.
The variable n (a hexadecimal value) can be any valid combination
of the following character pitches and print modes.
q 10 cpi — decimal 0, hexadecimal 00
q 12 cpi — decimal 1, hexidecimal 01
q Compressed — decimal 4, hexadecimal 04
q Shadow — decimal 8, hexadecimal 08
q Boldface — decimal 16, hexadecimal 10
q Expanded — decimal 32, hexadecimal 20
q Italic — decimal 64, hexadecimal 40
q Underline — decimal 128, hexadecimal 80
Epson FX Printer Emulation Mode 8-30