These refilled original Canon CL-561XL cartridges are a great way or reducing the running costs of the Pixma TS5351 or any other compatible printer. Each remanufactured 3730C001 has been produced by injecting fresh cyan, magenta and yellow ink into a previously used Canon cartridge and then tested thoroughly to ensure a great quality of print.Remanufactured Canon cartridges, like the CL-561XL are a great way of reducing the environmental impact or your printing, without sacrificing the results. As the 3730C001 still relies upon the genuine Canon tri-colour printhead, much of the same print quality remains, allowing you to proudly compare the results to the original.