The Supplies Guys: Ricoh SP 4500A HY Black OEM Toner Cartridge
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
Amazon.com : CS Compatible Drum Cartridge Replacement for for Ricoh SP 3600DN 407324 Black : Office Products
Ricoh 407319 SP 4500A Toner Cartridge black SP 3600 3600DN 3600SF 3610 3610SF 4510 4510DN 4510SF 4510SFTE 4510DNTE - Sun Data Supply