1.Installation method is the same as original cartridge.
2.Because of the unstable quality of HP 5000/5500/5100/Z6100 auto reset chip, please match with our HP electronic card for use.
3.Don't install 3 sets cartridge continually, if replace the cartridge, install it after power off.
4.Please use reliable quality ink.

Advantages
Simply use, conveniently refill, stable and reliable quality.