Int 21 Fn FFB4  - Topware Network Os V5.10+ - Set Default Start-of-job Fo  [N]

   AX = FFB4h
   CH = printer number (00h LPT1, 01h LPT2, 02h LPT3)
   CH = new formfeed status (00h off, 01h on)

Return: nothing

See Also: AX=FFB3h,AX=FFC1h