Amazon.com: DIGITONER Compatible Toner Cartridge Replacement for Ricoh SP3510 SP 3510, Black [1 Pack] : Office Products
Remanufactured Replacements for Ricoh 406989 Set of 2 High Yie Black Laser Toner Cartridges for use in Ricoh Aficio SP 3500DN, SP 3500N, SP 3500SF, SP 3510DN, and SP 3510SF s - Walmart.com
Ricoh SP3500N/3500SF/3510DN/3510SF 406990 Toner Black | Techinn