Printing Word document to specific printer sets that printer as default!

I am using the attached code to print a Word document to a specific printer. The document prints OK however the current system default printer is changed by the code making the printer the document is output to as the default.

Is there something I need to do to ensure the system default printer remains as such and still be able to send the document to another printer?

oWord.ActivePrinter = "Zetafax Printer"
With oWord
  Try
    'Print the Word document.
    oWord.ActiveDocument.PrintOut(True, True)
  Catch exc As Exception
    MessageBox.Show(exc.Message)
  End Try
End With

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