While you can bypass this in System Settings > Privacy & Security , it is safer to re-download the file from Epson’s official site.
Unsigned drivers may cause kernel panics or "Print Queue" crashes.
When opening the DMG, macOS should display a message stating: "macOS verified that this app is free of known malware." epsonxxxdmg verified
Only verified, official Epson software ensures access to proprietary features like Epson Scan 2 or PrecisionCore settings. How to Ensure Your Epson DMG is Verified
The "epsonxxxdmg verified" status is your first line of defense in maintaining a secure and functional printing environment. By sticking to official sources and allowing macOS to complete its verification process, you ensure that your hardware performs optimally without compromising your computer's security. While you can bypass this in System Settings
Sometimes macOS marks files with a "quarantine" flag. Moving the DMG to the Applications folder and back can occasionally resolve minor verification hiccups. Conclusion
Printer drivers operate at a deep system level to manage hardware communication. Using unverified or modified drivers can lead to: How to Ensure Your Epson DMG is Verified
If you are technically inclined, you can use the Terminal command codesign -vv /path/to/EpsonInstaller.app to check the signature authority. Troubleshooting "Unverified" Errors