How to change default settings in TVs rp-45 printer?

To change the default settings in the RP-45 printer, first, ensure the printer is powered on and connected to your computer. Access the printer's settings via the printer driver software on your computer, where you can adjust options like paper size, print quality, and other preferences. Additionally, you can check the printer's control panel for any available settings or configurations. After making changes, remember to save the settings to ensure they take effect for future print jobs.