The Ricoh Toner Cartridge SP C310A 406346, 406347 Lot Of 4 is a high-quality product manufactured by Ricoh Imaging Company, Ltd. in Japan. Specifically designed for Ricoh Aficio printers such as SP C242SF, SP C231SF, and SP C242DNS, these toner cartridges provide vibrant yellow and magenta colors for your printing needs. With the model number SP 310 and manufacturer part number 406344, this product ensures compatibility and reliable performance with your Ricoh printer. Upgrade your printing experience with this genuine Ricoh toner cartridge set.