Official support for the printer on Windows 10 64-bit does not exist. Canon never released 64-bit drivers for this model, and the official Canon Support Page notes that drivers are only available for older 32-bit operating systems like Windows XP or Windows 7.
is by running a 32-bit virtual machine (like Windows XP) on your Windows 10 host. You can install the original 32-bit drivers within the virtual environment to handle print jobs. canon lbp810 driver windows 10 64 bit top