This is 4-Pack compatible Ricoh SP C231, 232, 242, 310, 311, 312, 320 toner cartridges. Includes 1 each 406475 (black), 406476 / 406477 / 406478 (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.