2 Pack Black High Yield Toner For Ricoh Aficio SP 3510SF 3500SF 3510DN SP-3400HA | eBay
Ricoh 406989 Black Toner Cartridge for use with Aficio SP 3500N, SP 3510DN, SP 3500SF and SP 3510SF Printers; Up to 6400 standard page yield @ 5% coverage; New Genuine Original OEM Ricoh Brand, UPC 026649069895 (40-6989 406-989 4069-89)