Fix Epson printer offline issues by restoring the connection between your printer and computer. Start by checking that the printer is powered on and connected to the same Wi-Fi network or USB connection. Common fixes include clearing stuck print jobs, turning off “Use Printer Offline,” setting the printer as default, and restarting the Print Spooler service. Epson’s own support also recommends running the Epson Printer Connection Checker and reinstalling the correct driver if Windows cannot detect the printer. Many users find that switching the printer from a WSD port to a standard TCP/IP port helps stop recurring offline problems after sleep or router restarts.