If the installer fails due to security settings, go to System Settings > Privacy & Security and click "Open Anyway."
Here is the secret that forum users won’t tell you: It is not "Samsung branded," but it is exclusive to macOS. It is the Generic PCL 6/PCL 5e or Generic PostScript driver.
Samsung ML-2010 Monochrome Laser Printer (2007 Model) and Catalina OS
Background and compatibility
If the installer fails due to security settings, go to System Settings > Privacy & Security and click "Open Anyway."
Here is the secret that forum users won’t tell you: It is not "Samsung branded," but it is exclusive to macOS. It is the Generic PCL 6/PCL 5e or Generic PostScript driver.
Samsung ML-2010 Monochrome Laser Printer (2007 Model) and Catalina OS
Background and compatibility