Before using the chip resetter, please read the instruction carefully. Note: It works for Canon OEM (genuine) PGI-270 (XL) and CLI-271 (XL) ink cartridges It CAN NOT reset 3rd-party ink cartridge chip! Please do not attempt to try if you ink cartridge are not genuine CANON ink cartridge!!!It CAN NOT reset 3rd-party ink cartridge chip! Please do not attempt to try if you ink cartridge are not genuine CANON ink cartridge!!! The Chip Resetter come without Batteries. Please use a printer USB cable to connect the resetter with a computer for the power supply. The Chip Resetter works with the following printers : For Canon Pixma MG5720 Pixma MG5721 Pixma MG5722 Pixma MG6820 Pixma MG6821 Pixma MG6822 Pixma MG7720 Pixma TS5020 Pixma TS6020 Pixma TS8020 Pixma TS9020 ** this product includes the resetter only.** No printer USB cable is included. Canon cartridges are sold seperately. We also provide USB cable (ASIN: B08ZNJLJ8S) to match chip resetter if necessary.