Refill kits for HP 564,920xl,902,960xl cartridges.
Refill kit HP 906/902 HP Cartridges
Refill kits for HP 902, HP906 XL regular or XL capacity – comes with black, cyan, magenta, yellow ink tanks, and refill tools up to 6 to 20 refills. Addition 100-ml bottles bulk ink available – come with QR code instruction – Free shipping!
Watch instruction on youtube
Note: May require 2 sets of cartridges alternately(leapfrogging) to bypass the HP protection scheme.