The LabVIEW tool for printing is the report generation functions. Why do you not want to use that. It can easily handle printing a single indicator. The other option is the transfer all data to a subVI that only has the single indicator and is set to print upon completion. This is settable from VI Properties>Print Options.
As far as the printer dialog, there are a couple of examples <A href="http://sine.ni.com/apps/we/niepd_web_display.DISPLAY_EPD4?p_guid=B45EACE3DD2556A4E034080020E74861&p_node=DZ52084&p_submitted=N&p_rank=&p_answer=&p_source=External";>here</A> and <A href="http://sine.ni.com/apps/we/niepd_web_display.DISPLAY_EPD4?p_guid=B45EACE3E9F956A4E034080020E74861&p_node=DZ52084&p_submitted=N&p_rank=&p_answer=&p_source=External";>here</A>.
