Firstly, this black toner cartridge has an estimated yield of 12,500 Pages. As well as it comes with full manufacturers warranty from Kyocera for your complete peace of mind.The pack contains a single black toner cartridge. Suitable for use in Kyocera Printers, ECOSYS P3045DN, ECOSYS M3645DN, ECOSYS P3145DN, ECOSYS M3645IDN, ECOSYS M3145IDN, ECOSYS M3145DN