Why is my Canon MG3620 printer offline?
The USB cable may not be seated correctly at the printer or at the computer. Reseat the cable to make sure the connections are secure. Make sure that the printer is connected directly to the computer and not into a USB hub.
Why wont my Canon MG3620 connect to Wi-Fi?
Reset your Network settings by going to: Start button >> Settings >> Network & Internet >> Status >> Network reset then click Reset now button. Uninstall the printer software by accessing Programs and Features from the Control Panel. Restart your PC.