Here’s a helpful review for the Canon PIXMA TR8620 (since “F166400” appears to be a part number or misprint; the common Canon model with similar number patterns is the TR8620a or related all-in-one printers). If you confirm the exact model number, I’ll be happy to adjust.
Because "F166400" is a regulatory number, finding drivers can sometimes be confusing. To get up and running, follow these steps: printer canon f166400
You might be a technician or a DIY enthusiast looking to buy a replacement print head. The F166400 print head is a consumable part; eventually, nozzles clog or electronics fail before the rest of the printer does. Here’s a helpful review for the Canon PIXMA
Rapid Printing: Delivers monochrome prints at speeds up to 19 ppm (pages per minute). To get up and running, follow these steps: 2