When trying to connect older Canon printers to newer version of Windows, drivers are often only updated to Windows 8.1 before deprecation. With the same driver model between Windows 10 and 8.1, these drivers are installable and work for printing on Windows 10. However, when trying to scan with MP Navigator, they often give a “Scan failed” error.

To enable both printing and scanning on Windows 10 through MP Navigator:

1. Install the latest installable drivers (Windows 8 or Newer) from Canon
2. Add the relevant twain folder to the Path

C:\Windows\twain_32\MP530

Further Reading: Daily Tweak