You have to create a plotter as described in the NX documentation for the SDI printer administration.
NX doesn't use the printers installed through the operating system.
Production: NX10.0.3, VERICUT 8.1, FBM, MRL 3.1.7 | TcUA 10.1 MP7 Patch 0 (10.1.7.0) | TcVis 10.1
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What do you mean by "plot file"?
Note "as installed" you could try CGM, as I believe that CGM is a vector based format
Production: NX10.0.3.5 MP16/TC11.2
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