There is an option "Print to file" for my HP1600DeskJet. I did this before. I can set this option on the print dialog window manually, or create a print drive with print to file option.
To get rid of background and edges: create a subvi, pass your waveform graph to it, set the size of the subvi window to the waveform graph, no edge, no bars, and set the subvi to print after run. Microsoft doesn't support write to a 48 bit file. So you have to find a third party library to write to a file anyway. George Zou http://gtoolbox.yeah.net
