Containing 80ml of top quality matte black Lucia Pro ink, the genuine PFI-1000MBK is another wonderful Canon product designed to offer users an estimate 5,490 photos. This original Canon 0545C001 contains Lucia Pro pigment based ink and is intended for use by professionals (or anyone who takes their photography seriously).Designed for use exclusively with the Canon ImagePROGRAF Pro-1000, the PFI-1000MBK matte black ink is one of 12 cartridges used to create professional quality prints.PLEASE NOTE: Canons official estimated page yield for this ink cartridge is measured in 6x4 photos and NOT A4 pages.