Epson 8900 Series - Manual (Page 145)

IBM Proprinter XL Emulation 7-15
Set Character Pitch to 12 cpi
Escape sequence: ESC :
Hexadecimal: 1B 3A
This command selects 12 cpi character pitch for either draft or LQ
printing.
Select Programmable Line Spacing
Escape sequence: ESC 2
Hexadecimal: 1B 32
This command invokes the line spacing value stored in memory by
the Set Line Spacing to n/72 Inch command (ESC A n). If no ESC A n
command has been received, this command sets the line spacing to 6 lpi.
Set Line Spacing to 8 lpi
Escape sequence: ESC 0
Hexadecimal: 1B 30
Set Line Spacing to 7/72 Inch
Escape sequence: ESC 1
Hexadecimal: 1B 31
Set Line Spacing to n/72 Inch
Escape sequence: ESC A n
Hexadecimal: 1B 32 n
The line spacing value can be any value in the range of 1/72 through
85/72 (0.014 through 1.181) inches, depending upon the value of the
variable n.
Set Line Spacing to n/216 Inch
Escape sequence: ESC 3 n
Hexadecimal: 1B 32 n
This command sets the line spacing to a value in the range of 0/216
through 255/216 (0 through 1.18) inches for subsequent line feed
operations.