Facing the Epson printer is offline issue? Check Wi-Fi or USB connections, restart your printer and Mac, and update printer drivers. Ensure the printer is set as default and set the printing system if needed. You can check it by going to Printers & Scanners. Here, choose your printer and tap Set as default. If this does not fix the issue, clear the print queue. To do so, go to Printers & Scanners, select your printer, and choose Open Print Queue. Choose the documents listed and tap Cancel.