Amazon.com: Ricoh 406989 High Yield Black Toner Cartridge 2-Pack for Aficio SP 3500, 3510 : Office Products
LD Compatible Replacement for Ricoh 406475 High Yield Black Laser Toner Cartridge for use in Ricoh Aficio SP C231N, SP C232DN, SP C242DN, SP C242SF, and SP C320DN s - Walmart.com
Ricoh Aficio SP C242SF Black High Yield Toner Cartridge, Genuine (G1231)