This Konica Minolta toner cartridge in black is designed for high-quality printing. Compatible with various Konica Minolta bizhub models including C 651 i, C 551 i, C 450 i, C 451 i, C 650 i, and C 550 i. Konica Minolta's business domain spans from imaging input through output, offering diverse products and services that realize new digital imaging environments in a wide range of fields. These businesses are sustained by materials technology, optical technology, nanotechnology, image technology, and other core technologies.