If your printer is not connectng to your computer or mobile device, one potential solution is to check the printer's connectivity settings and ensure that it is properly configured. Ensure that the printer is connected to the same network as your computer or mobile device and has the correct IP address or other network settings. If the problem persists, you may need to restart the printer and your computer or mobile device or try a different cable or connection method. If you continue to have problems, you may need to contact the manufacturer for further assistance.