RICOH MP C6003 OEM TONER CARTRIDGE SET High Yield Cyan Magenta Yellow Black Inkjet Printers - Newegg.com
Amazon.com: Do it Wiser Compatible Printer Toner Cartridge Replacement for Ricoh 841852 for use in Ricoh MP C6003 MP C4503 MP C5503 MP C6004 (1Pack - Cyan) : Electronics
Japan Powder, Compatible Ricoh MP C6003 C6503 MPC6003 toner
841850 Yellow Toner for Ricoh MPC4503 MPC5503 MPC6003