Full set of refillable Ink Cartridge with ink for Epson XP30 XP202 XP205 XP305 XP405 Suitable with printers using the epson T1811 T1812 T1813 T1814 four colour cartridges. The chips on the cartridges are automatically reset when installing the cartridges, inklevel State than 100% and will according to the consumption drop.. You do not even have to do anything. So you definitely do NOT need a chipresetter. You can refill the cartridges and reset repeatedly. It is recommended to use the whole set together. Please note its not made by epson.