procedure TForm1.Button1Click(Sender: TObject);
var
  RVal : Integer;

  DPSDK, MSWordDialog,
  MSWord,
  NewDoc          : Variant;
  docToConvert    : String;
begin

   docToConvert:='c:\test.doc';

   try
     DPSDK:=CreateOleObject('docuPrinter.SDK');
     DPSDK.DocumentOutputFormat:= 'PDF';
     DPSDK.DocumentOutputName:= 'demoDOC';
     DPSDK.DocumentOutputFolder:= 'c:\';

     DPSDK.HideSaveAsWindow:= true;
     DPSDK.DefaultAction:=1;
     DPSDK.ApplySettings;

     try
       MSWord:= CreateOleObject('Word.Application');
       MSWord.DisplayAlerts:= False;
       NewDoc:= MSWord.Documents.Open(docToConvert, False, True);

       MSWordDialog:= MSWord.Dialogs.Item(97);
       MSWordDialog.Printer:= 'docuPrinter';
       MSWordDialog.DoNotSetAsSysDefault:= 1;
       MSWordDialog.Execute;

       NewDoc.PrintOut(False);

       NewDoc.Close(False);
       MSWord.Quit(False);

       RVal:= DPSDK.Create; // Create output document
       If (RVal <> 0) Then 
         ShowMessage('Error while converting!!! Code: '+IntToStr(RVal))
       else
         ShowMessage('Document Created !!!');

     except
       on E: Exception do
         ShowMessage(E.Message);
     end
   finally
     DPSDK:= Unassigned;
     MSWord:= Unassigned;
   end;  

end;