Why is my printer not responding when I try to change the default settings?

1. Make sure you are using an appropriate power supply
2. Check the ink cartridge level by following the on-screen instructions
3. Check if the printer is connected to your network
4. Update the printer software by following the on-screen instructions
5. If your printer is connected with USB, make sure the connection is secure
6. Power off your printer and then power on to reset
7. Change the printer settings in the print options menu
8. Contact your printer manufacturer for professional help, if the issue still persists