INT 21 - TopWare Network OS v5.10+ - SET DEFAULT START-OF-JOB FORMFEED STATUS   
	AX = FFB4h
	CH = printer number (00h LPT1, 01h LPT2, 02h LPT3)
	CH = new formfeed status (00h off, 01h on)
Return: nothing
SeeAlso: AX=FFB3h,AX=FFC1h