Canon pressman is one of the most used printer around the world. Sometimes users back problem where Canon Printer keep displaying not connected, however this issue is not a big issue because it can be solved with some easiest solutions. So in case your Canon PIXMA MG3620 Offline then Follow the instructions mentioned in this guide.
Why Canon PIXMA MG3620 Offline? What are the steps to bring it back online?
Follow below link to fix printer offline issue