Amazon.com: MADE IN USA TONER Replacement for Kyocera TK-8507, Copystar TK-8509, TASKalfa 4550ci, 4551ci, 5550ci, 5551ci (Black, Cyan, Yellow, Magenta, Set of 4) : Office Products
Kyocera Mita TK-590 magenta compatible toner - CDRmarket
Original Toner Kyocera TK 590 Y Yellow ~ 5.000 Pages
Compatible Toner Kyocera TK 590 M Magenta ~ 5.000 Pages