RICOH 407319 Toner Cartridge for Aficio SP 3600 and 4510 series
4x Toner refill with Chips for Ricoh SP4510SF SP4510DN SP3610SF 3600DN cartridge | eBay
LD Compatible Ricoh 407319 / SP 4500A Set of 3 High Yield Black Toner Cartridges for use in SP 3600DN, SP 3600SF, SP 3610SF, SP 4510DN, SP 4510SF & MP 401SPF (6,000