Konica Minolta BIZHUB C550 Standard Yield Toner Cartridge Set Approximately 45,000 pages for black and 27,000 pages for colored Competitive price with high quality/stable printing capacity/smart and fluent printing performance Saves ink and reduces damage to the printer head. Easy to Install and Use Compatible: Konica Minolta BIZHUB C451, BIZHUB C550, BIZHUB C650, NEC IT45C4