INKUTEN Chip Resetter for use in PGI 250 CLI 251 PGI-250XL CLI-251XL Ink Cartridges Resetting the PGI 250 black and/or the CLI 251 color cartridges is a snap with this USB powered resetter. Our chip re-setter makes refilling of the original cartridges possible. This re-setter enables the chip on a used Canon cartridge to be reset to full, making the cartridge refillable. Benefit: No batteries needed. Conveniently plugs into your computer, and easily plugs into a wall outlet with an adapter. Simply align the pins and press down for several seconds to complete the reset. *This resetter requires a USB cord for power. (Not included)