Few measures to solve the offline issue with Epson printer :
1.Checking the Epson printer’s connection.
When the Epson printer shows itself as offline, it indicates that there is an issue with communicating with the computer. Usually, one of the main reason behind this issue is the physical connection, as the cable connection problem if it’s a wired connection, where mostly the main reason for OFFLINE ERROR in the printer is a loose connection.
So, in such cases, you need to make sure that the USB cable at both ends is inducted strongly. You might also exchange it with a new USB cable and test if the issue gets settled. Doing this will rule out the problem arising from the cable. If you are sure that the Connection problem isn’t the reason behind the issue, you can move on to perform troubleshooting steps given below.