Epson Printer Offline - Solution by Printer Error Support.

The offline bug does not differentiate between Windows versions and will affect users running on any version of Windows; however, you can also ensure that Windows is updated to the most recent version. We are prepared this detailed how-to guide with some helpful tips to remove the possibility of offline Epson printers. Let's start with the causes of your Epson going offline.

Reasons That Cause Epson Printer Offline-(Error)

Knowing the cause of the Epson Printer Offline is needed for successfully solving the issue. Following are some common causes of the error. Consider these causes before you start with the troubleshooting of the error.

USB CONNECTIVITY
INTERNET CONNECTION
OBSOLETE DRIVERS
PAPER STUFFING

The usual suspect for Epson Printer Offline error in Windows-based computers/laptops is the checking on of the "Use Printer Offline" option. In Windows devices, the checkmark on the use printer offline option can be the reason for this error. If your Epson Printer not Printing Properly, try these solutions:

Two Solutions that will Fix Your Epson printer offline Error instantly.

Solution 1: Epson Printer Troubleshooting Steps: 

Press Start and navigate to the Control Panel. Alternatively, press the Window key on your keyboard along with the letters. This will activate the run dialog box. Type "Control" and click on the OK button. Now Click On The Hardware And Sound Section. Choose The Devices And Printers Option
Choose Your Epson Printer From The List And Right-Click On It. Select Properties
In The Properties Dialog Box, Find The Option "Use Printer Offline". Please Ensure To disable it (uncheck the checkbox next to it) if it is enabled and press the OK button
This should solve the "Why is my Epson Printer Offline" / "Epson Printer Offline" problem. Solution.

Solution 2: Reinstalling the Epson Printer Software:
-Another approach to solving the Epson Printer Offline error is to reinstall the printer's software. Follow the listed steps to do it:
Press Start and navigate to the Control Panel. Alternatively, press the Window key on Type "Control" and click on the OK button
Now click on the Hardware and Sound section. Choose the Devices and Printers option
Right-click on your Epson printer from the list and choose the Remove the Device option
Once the printer removal process is complete, restart your computer/laptop
After system restart is complete, navigate once again to the Printers and Devices section through the Control Panel based on instructions provided earlier
Double-click on the Add a device option. Select the Add a network, wireless, or Bluetooth printer option
The system will search for nearby devices. Select your Epson printer from this list
Navigate through the wizard and add your printer

If you're still experiencing the "Why is my Epson Printer Offline" / "Epson Printer Offline" problem, try updating Epson Driver Download or contact our Epson Printer Support.

Check on mentioned blog for Expert guidance.

Source:  https://printererrorsupport95.weebly.com/epson-printer-offline.html