Compatible Brand 6686B001AA (PFI-706PM) Photo Magenta Ink Cartridge fully compatible with the Canon IPF8300, 8300S, 8400, 8400S, 9400, 9400S; imagePROGRAF iPF8300, iPF8300S, iPF8400, iPF8400S, iPF9400, iPF9400S. The use of compatible supplies does not void your printer warranty.