Premium Compatible 4710A003 (BCI-6PM) Photo Magenta Inkjet Cartridge fully compatible with the Canon PIXMA iP3000, iP4000, iP5000, iP6000D, iP8500, MP750, MP760, MP780, S800, S820, S830, S900, S9000, PIXUS 860i, 865R, 900PD, 990i, I 550, I 850, i560, i860. The use of compatible supplies does not void your printer warranty.