The actual commercial model is: (often shortened to iR-ADV DX C16640i).
Do not rely on Windows Update driver for “F16640” – it may install a basic Canon Laser Class Driver that lacks finishing, secure print, and color management. Driver Printer Canon F16640
This is a high-volume A3 color multifunction printer (MFP) designed for enterprise/workgroup environments. The actual commercial model is: (often shortened to
Canon F16640 is not a standalone consumer printer model. It is an internal Canon parts code or a service identifier that appears in firmware, driver manifests, and hardware component listings. and hardware component listings.