GREAT NEWS NOW YOU CAN RESET THE CHIP ON CANON CLI-8 AND PGi-5 SERIES WITH THIS DEVICE . This product comes with the instruction and fully guaranteed. Suitable for all Canon printers that use PGI-5BK and CLI-8 cartridges. Can be used on the following printers: Ip3300, IP3500, IP4200, Ip4300, IP5200, IP5300,MP500, MP510, MP520, MP530, MP600, MP610, MP800,MP810, MP830, MP960, MP970 MX700,MX850, IX4000, IX5000 Easy to operate, just place cartridge into holder and press down for 5 seconds Device can be used over and over again. This device does not require any external power source and it is free standing. No programming or software installation is required. It is self-powered by internal batteries (batteries included) and can be used immediately.