Amazon.co.jp: Ink Chips SP4500H (60544) Compatible Toner for Ricoh ISO14001/ISO9001 and Toner Cartridge International Quality Standard STMC Certified Factory Produced Product Compatible Models: RICOH SP 4500 / SP 4510 / SP 4510SF : Computers
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