1. Make sure that your wireless connection is active.
2. Check if the printer and your computer are on the same network.
3. Check if the connection is secured by a password or a security key.
4. Confirm that your printer is not in sleep or power saving modes.
5. If you're using a USB cable, check if it is properly connected.
6. Restart your printer and try connecting it again.
7. Check if your printer has the latest firmware version available.
8. Update the drivers and Network configurations.
9. If all the above fail, reset your printer to the factory settings.