Genuine Konica Minolta TN-612 CYMK Toner Cartridge Set for Bizhub PRO C5501 C6501 Genuine Konica Minolta toner value pack for Bizhub Pro C5501, Bizhub Pro C6501. Contains one of each color. Black TN612K, cyan TN612C, magenta TN612M, yellow TN612Y. Produces masterful documents and presentations that garner attention. Features an advanced formula that resists smudging and streaking. Reliable and dependable so that you can count on it when you need it most.