Cool Toner 4PK Compatible for HP 204A CF510A CF511A CF512A CF513A M180nw Toner Cartridge for HP Color LaserJet Pro MFP M180nw M180n M181fw M181 M154nw M154a Printer Toner (Black Cyan Yellow Magenta) HIGH YIELD - 1100(Black) and 900(Color) pages (Letter/A4) Compatible Printer Model - HP M180nw Toner Printer HP Color LaserJet Pro M154nw M154a;HP Color LaserJet Pro MFP M180n M180nw M181fw Service - Phone Services for technical support Warranty - 3-Years Warranty; Replacement or Refund upon request SUPPORT - Advanced technology ensures stunning performance