Amazon.com: Do it Wiser Compatible Printer Toner Cartridge Replacement for Ricoh MP C307 MP C306 MP C406 MP C407-842091 842092 842093 842094 (Black, Cyan, Magenta, Yellow, 4Pack) High Yield : Electronics
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
Office Depot
Ricoh High Yield Laser Toner Cartridge for SP3710X Printer - Black - 408284 - -