Epson 8900 Series - Manual (Page 128)

TI Model 855 Printer DP Emulation 6-15
Escape sequence: ESC T
Hexadecimal: 1B 54
Select Compressed Print
Control character: SI
Hexadecimal:
0F
Escape sequence: ESC P
Hexadecimal: 1B 50
These commands reduce the width of subsequently printed characters
to about 60 percent of their normal size.
Cancel Compressed Print
Control character: DC2
Hexadecimal:
12
Escape sequence: ESC Q
Hexadecimal: 1B 51
Select Letter-Quality Print
Escape sequence: ESC q
Hexadecimal: 1B 71
Escape sequence: ESC e
Hexadecimal: 1B 65
Cancel Letter-Quality Print
Escape sequence: ESC d
Hexadecimal: 1B 64
This command cancels LQ print and returns the printer to the draft
print mode.
Select Boldface Print
Escape sequence: ESC G
Hexadecimal: 1B 47
In the boldface print mode, the printer double strikes all characters
with no physical offset.