Amazon.com: MADE IN USA TONER Compatible Replacement for use in Konica Minolta bizhub C258, c308, c368, c454, c554, C454e, C554e Universal (TN-324K/C/M/Y, TN-512C/M/Y/K) (Black,Cyan,Yellow,Magenta, 4-Pack) : Office Products
Crid Tn512 Cyan,Magenta,Yellow,Bk Cartridge Compatible for Minolta Bizhub C454, C554 Black + Tri Color Combo Pack Ink Toner - Crid : Flipkart.com