INT 21 - Novell NetWare - PRINT SERVICES - FLUSH LPTAbbreviation for Line PrinTer. CAPTURE
	AH = DFh
	DL = 03h
Return: AL = status
	    00h successful
Desc:	this function closes the current capture file for the default LPTAbbreviation for Line PrinTer.
	  and starts printing it if it is not a permanent capture file
Notes:	this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
	  Alloy NTNX; under NTNX, it sends a print break (see INT 17/AH=84h)
	if more data is sent to the LPTAbbreviation for Line PrinTer. port after this call, a new capture
	  file will be opeend
SeeAlso: AH=DFh/DL=00h,AH=DFh/DL=01h,AH=DFh/DL=02h,AH=DFh/DL=07h