9 Pack of Compatible ink cartridge (3 black LC51bk + 2 Cyan LC51C + 2 Magenta LC51M +2 Yellow LC51Y) TonersDC Cartridges are manufactured in internationally certified ISO facilities. TonersDC Cartridges are designed to provide equivalent print life to the original brand name cartridges. TonersDC Cartridges come with 100% product warranty against defective within warranty period. Product Sold Exclusively By TonersDC.