Epson 8900 Series - Manual (Page 165)

Epson FX Printer Emulation Mode 8-13
Form Format Commands
The form format commands let you set the form length in either lines
or inches. These commands also let you enable or disable the automatic
perforation skip feature.
Set Form Length to n Lines
Escape sequence: ESC C n
Hexadecimal: 1B 43 n
This command sets the form length to the number of lines specified
by the variable n in the current line spacing. This command also sets
the top-of-form position to the current line. The variable n can be
any value in the range of 1 through 127.
Set Form Length to n Inches
Escape sequence: ESC C NUL n
Hexadecimal: 1B 43 00 n
This command sets the form length to the number of inches specified
by the variable n. The variable n can be any value in the range of
1 through 22.
Select Automatic Perforation Skip
Escape sequence: ESC N n
Hexadecimal: 1B 43 n
This command causes the printer to perform the following actions.
1. Skip the number of lines specified by the variable n and the
current form parameter settings.
2. Print the next line at the first print line position of the following
form.