If you are asking this question then we suppose you want to ask why your printer is offline despite the fact it is switched on or connected to your device. Why Does My Epson Printer Say Offline when the printer connection is interrupted. It can be the connection between your printer and WiFi or printer and computer or Smartphone whatever you are using to print. There are various causes that can lead your printer to these issues. Though you should start with basic troubleshooting first. Try turning off your printer from the main source and then turn it on again after 5 minutes. Now check if the printer is connected to your device or not and then you can attempt to print a test page.