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)
Amazon.com: LD Products Remanufactured Toner Cartridge Replacement for Ricoh 406989 High Yield (Black) for use in Aficio SP Printers: 3500DN, 3500N, 3500SF, 3510DN & 3510SF : Office Products