DigiToner&trade; by TonerPlusUSA Compatible High Yield Black Laser Toner Cartridge Replacement for Ricoh 406989 SP 3500 (Black) TonerPlusUSA is the best source of compatible Ricoh, Savin, and Lanier replacement toners guaranteed to generate optimum print quality and give you maximum productivity. Certified ISO 9001 & 14001 Includes 1 Black toner cartridge Compatible Printer: Ricoh Aficio SP 3500N, SP 3510SF, SP 3400N, SP 3410DN, SP 3500N, SP 3510DN Yields up to 6,400 pages at 5% coverage 100% MONEY BACK GUARANTEE: If, for whatever reason, you don't absolutely love your print quality, just return it, and we'll replace it or give you 100% of your money back, no questions asked.