NAME
	PRD_RAWWRITE -- transparent write command

   FUNCTION
	This is a non standard write command that performs no
	processing on the data passed to it.

   IO REQUEST
	io_Message	mn_ReplyPort set if quick I/O is not possible
	io_Command	PRD_RAWWRITE
	io_Flags	IOB_QUICK set if quick I/O is possible
	io_Length	the number of bytes in io_Data
	io_Data		the raw bytes to write to the printer