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
Ricoh Type MP C6003 416890 Toner Black | Techinn
RICOH Genuine MP C6003/C4503/C5503/C4504/C6004 Print Cartridge Origina - Maple Copiers Inc.