If your download was interrupted, the disk image may fail to open. Delete the file, clear your web browser's cache, restart your router, and download the driver file from Epson again. 3. The Installer Can't Find the Printer
macOS includes a security feature called , which is designed to protect your Mac from malicious software. Because many official Epson drivers aren't submitted to Apple for official notarization, Gatekeeper may block the installation, especially on macOS Catalina (10.15) or later, with an error message. epson-xxx.dmg