INKUTEN (TM) ARC Chip for Cartridge HP 950XL 951XL 950 HP 951 - Auto Reset Ink Level - Compatible to OfficeJet 8600 8610 8620 8630 8640 8660 8615 8625 CIS CISS Refillable With New Generation chipset, guaranteed to work with ALL NEW firmware update; This set of auto-reset chips will work on every printer using HP 950 and HP 951 cartridges. Install these chips on a set of refillable cartridges to take advantage of their auto-reset capabilities. Compatible with the latest HP firmware version Genuine INKUTEN ARC (Auto Reset Chip) in Retail Package. Make your cartridge refillable again and again. Most recent version. Can be installed on either OEM Cartridge and Make Your Own Refillable Cartridge or Non-OEM Refillable Cartridge. Product contents: 1 chip of each color (black, cyan, magenta, yellow) Auto Reset Triggered by: Ink Depletion. Once ink is depleted, open and close the printer door will reset levels to full.