Cause: Corrupt download, incomplete file, or incompatible format.
Fix:
If you searched for “epsonxxxdmg work” because you have an unusual model name, it’s possible Epson bundles drivers for multiple models in one .dmg. epsonxxxdmg work
How to check:
If your model isn’t listed, Epson no longer supports it. Alternative solutions: If your model isn’t listed, Epson no longer supports it
Cause: You downloaded from a suspicious site.
Fix:
sudo rm -rf /var/folders/*/C/com.apple.installer*
Then re-run the .pkg installer.