Before using the chip resetter, please read this instruction below carefully. Note: It works / compatible for Canon OEM (genuine) PGI-250 (XL) and CLI-251(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 genuine ink cartridge : compatible For Canon PIXMA IP7220 MG5420 MG5422 MG5520 MG5522 MG5620 MG6420 MG6620 MX722 MX922 iX6800 iX6820 MG6320 MG7120 MG7520 IP8720 ** this product includes the resetter only. **No printer USB cable is included. And Genuine Ink cartridges are sold seperately. We also provide USB cable (ASIN: B08ZNJLJ8S) to match chip resetter if necessary.