Ricoh 406989 Toner Cartridge Black Aficio SP 3500 3500N 3500SF 3510 3510DN 3510SF - Sun Data Supply
Amazon.com: Ricoh 406989 SP 3500XA Toner Cartridge Black - in Retail Packing : Office Products
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)