Follow these steps to select the appropriate printer and Bluetooth wireless port:
1.Click Start > Settings > Printers.
2.
3.Click the Ports tab.
4.Select the Bluetooth wireless port, click Apply, and then click OK.
5.Open an application, and then print a document.
If the problem persists, uninstall and reinstall the printer software:
1.Click Cancel in the Print to File error message, and then close the application.
2.Click Start > Programs > hp deskjet 450 printer > hp deskjet 450 printer Uninstaller.
3.Follow the onscreen instructions.
4.Insert the Starter CD that came with the printer into the computer’s CD- ROM drive, and then reinstall the printer software.
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