How do I troubleshoot a connectivity issue between my printer and smartphone?

1. Check if your device is compatible with your printer.
2. Check if both devices are connected to the same Wi-Fi network.
3. Make sure that you have the latest printer drivers from the manufacturer installed on your device.
4. Print a network configuration page to check the IP address and other network information.
5. Check any physical devices connected to the printer, such as a router or a switch.
6. Check if the receptacles on the printer and device are securely plugged in.
7. Re-start the printer and/or device.