Int 21 Fn DF  - Novell Netware - Print Services - Flush Specific Lpt Capt  [N]

   AH = DFh
   DL = 07h
   DH = LPT port (00h-02h)

Return: AL = status
       00h successful
Desc:  this function closes the current capture file for the specified LPT
     and starts printing it if it is not a permanent capture file

Notes: this function is supported by Advanced NetWare 2.1+
   if more data is sent to the LPT port after this call, a new capture
     file will be opeend

See Also: AH=DFh/DL=03h,AH=DFh/DL=04h,AH=DFh/DL=05h,AH=DFh/DL=06h