Premium Quality C544X2CG Extra Hi-Yield Cyan Toner Cartridge compatible with the Lexmark C544, C544DN, C544DTN, C544DW, C544N, C546, C546DTN, X543, X543DN, X544, X544DN, X544DTN, X544DW, X544N, X546, X546DTN, X548, X548DE, X548DTE. The use of compatible supplies does not void your printer warranty. Product Detail Ninestartechonline.com