Please Note: All Canon Power Supplies are strictly non-returnable, we are happy to replace it if it has proven faulty from new but we will not accept it back if it does not cure your fault. It's your responsibility to make certain that your existing power supply is actually faulty & is the cause of your printer not working. Please ensure you have selected the correct power supply for your printer before purchasing as we don't accept returns under these circumstances. The printers that use this power supply are listed above. If you're not sure contact us first.