for Canon G3200 go here: https://www.usa.canon.com/internet/portal/us/home/support/details/printers/megatank-inkjet-printers/all-megatank-inkjet-printers/g4200/pixma-g4200?subtab=downloads-drivers
I found the one for Canon G4000/4200 here:https://www.usa.canon.com/internet/portal/us/home/support/details/printers/megatank-inkjet-printers/all-megatank-inkjet-printers/g4200/pixma-g4200?subtab=downloads-drivers
