CRG-124 Hewlett-Packard Compatible Toner, Black, 6K Yield. Works with: LaserJet P3010, P3015, P3015D, P3015DN, P3015N, P3015X, P3016, Enterprise 500 MFP M525C, M525DN, M525LF, Enterprise 500 Pro M521DN, M521DW, Canon i-SENSYS LBP-6750dn
Won't work with imageCLASS MF515dw