Ricoh 841813, 841814, 841815, 841816 Standard Yield Toner Cartridge Set - Ricoh MP C3503 Genuine Ricoh toner value pack for Aficio MP C3003, Aficio MP C3503. Contains one of each color. Black 841813, cyan 841816, magenta 841815, yellow 841814. Provides high-quality results with ease. Integrates seamlessly with your printer. Simple to install and use.