Epson 8900 Series - Manual (Page 181)

Epson FX Printer Emulation Mode 8-29
Cancel Boldface Print
Escape sequence: ESC H
Hexadecimal: 1B 48
Select Shadow Print
Escape sequence: ESC E
Hexadecimal: 1B 45
Cancel Shadow Print
Escape sequence: ESC F
Hexadecimal: 1B 46
Select Superscript Print
Escape sequence: ESC S NUL
Hexadecimal: 1B 53 00
This command selects the superscript print mode for either draft or
LQ printing. After receiving this command the printer prints each
subsequent character in the upper part of the character space at about
two-thirds its normal height.
Cancel Superscript Print
Escape sequence: ESC T
Hexadecimal: 1B 54
Select Subscript Print
Escape sequence: ESC S SOH
Hexadecimal: 1B 53 01
This command selects the subscript print mode for either draft or LQ
printing. After receiving this command the printer prints each
subsequent character in the lower part of the character space at about
two-thirds its normal height.
Cancel Subscript Print
Escape sequence: ESC T
Hexadecimal: 1B 54