Unfortunately due to the design of the printer we were not able to make a continuous ink system fit in the Pixma MG3650S printer, in our opinion this is the next best thing you are going to find with
PIXMA MG3650S Ink/ Toner cartridges & Paper — Canon UK Store
Canon Printer Ink Cartridge
Canon Pixma MG3650S Ink Cartridges - Fast, Free Delivery - Stinkyink