Canon F166 400 Printer Driver Download Windows 11 2021 -

Windows Update (Plug and Play)

Canon IJ Driver Download Tool (for network printers) canon f166 400 printer driver download windows 11 2021

In 2021, searching the official Canon website for "F166 400" yielded no results. You had to: Windows Update (Plug and Play)

The good: The file size was reasonable (~30-40MB).
The bad: Canon’s download servers in 2021 were notoriously slow, and the installer frequently flagged "Unknown Publisher" warnings on fresh Windows 11 builds. Canon IJ Driver Download Tool (for network printers)

If you found a driver labeled for Windows 10 or 8 but it fails to install on Windows 11: