If you see "F166 400" on your device, you likely own a printer. Do not search for "F166 400 Driver," as the file names are based on the model series. Visit the Canon support site, search for your specific model name, and download the UFRII or PCL6 driver for full functionality.
There are two safe methods to obtain the driver. Avoid third-party "driver updater" sites, as they often bundle unwanted software. Canon Printer F166 400 Driver
In most cases, is not a standard retail model number like the Canon PIXMA TS9120 or the Canon imageCLASS MF743Cdw. Instead, "F166" often refers to a firmware version , a service code , or an internal error code specific to certain Canon printer series (particularly older Bubble Jet or PIXMA models). If you see "F166 400" on your device,
: If your printer is older, it may face compatibility issues with newer macOS versions like Catalina or later. Check the Canon Europe Support page for specific "CAPT" driver updates. There are two safe methods to obtain the driver
If you are using Windows 10 or 11, the driver may be available natively.