Oki ML1120 - Top of Form Set; Set Vertical Units; Set N;360 Inch Fine Line Spacing

Technical Reference Guide – Command descriptions > 115
Skip over perforation is set to default when power-down,
power-up or l-Prime (or ESC @ in Epson mode) occurs.
Skip over perforation is cleared when the form length is
changed by the following codes: ESC C n and ESC C NUL n.
T OP OF FORM SET
> Code: ESC 4
> Compatibility:
ML1190 eco: EPSON LQ/IBM
ML1120 eco: EPS FX/IBM III
> Function:
Top of form setting will be set to the current position.
> Additional details:
This command does not affect the CSF or SASF.
S ET VERTICAL UNITS
> Code: ESC [ \ 4 0 0 0 n1 n2
> Compatibility:
ML1190 eco: EPSON LQ/IBM
> Function:
This command changes the base units for the line spacing
command.
> Range:
n1 = 0, n2 = 180 for n/180 in units
n1 = 0, n2 = 216 for n/216 in units
> Out of Range:
Any value of n1, n2 other than those above will be ignored.
S ET N /360 INCH FINE LINE SPACING
> Code: ESC + n