If you want to change the default port for your printer, you can do so through the Settings menu in Windows. Here's how: 1. Open the Start menu and click on "Control Panel." 2. In the Control Panel, click on "Hardware and Sound." 3. Under "Printers," click on "Change printer port." 4. In the "Printer Ports" window, select the "COM" port you want to use from the drop-down menu. 5. Click "OK" to save your changes. You should now be able to print to your printer using the new COM port. If you have any trouble, make sure that the COM port is correctly configured in your printer's settings.