This is 4-Pack compatible Ricoh MP C3002, 3502 toner cartridges. Includes 1 each 841735 (black), 841738 / 841737 / 841736 (cyan / yellow / magenta). Each toner cartridge is manufactured to be comparative to the original in terms of quality and page yield. Extensive testing and R&D have enabled us to produce cartridges that will not only save you monebut also provide a high quality product to ensure long term customer satisfaction.