There have been a number of threads discussing using the parallel port. One of the resent ones, having to do with LabVIEW 8.2 may be found at :http://forums.ni.com/ni/board/message?board.id=170&message.id=254900&requireLogin=False
A search on "parallel" in the discussion forums will return a log of links.
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Senior Test Engineer North Shore Technology, Inc.
Currently using LV 2012-LabVIEW 2018, RT8.5

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