Xerox Cyan Toner Cartridge for Select Ricoh MP 006R03910 B&H
Ricoh MP C4503 Toner Cartridges
Amazon.com: Do it Wiser Compatible Printer Toner Cartridge Replacement for Ricoh 841851 for use in Ricoh MP C6003 MP C4503 MP C5503 MP C6004 (1Pack - Magenta) : Electronics