Replacing Toner: ECOSYS FS-3640MFP and FS-3540MFP - YouTube
Toner cartridges for Kyocera FS-6525 MFP - compatible, original
Kyocera 1T02K30US0 Model TK-477 Black Toner Kit, Compatible with FS-6525MFP, FS-6530MFP, TASKalfa 255 and TASKalfa 305 Printers; Up to 15,000 Pages Yield - Newegg.com
Amazon.com: Kyocera 1T02K30CS0 Model TK-479 Black Toner Cartridge For use with Kyocera FS-6030MFP, FS-6025MFP, FS-6525MFP, FS-6030MFP, FS-6530MFP and Copystar CS-255, CS-305, CS-6525, CS-6530 Laser Printers : Office Products
Kyocera FS 6525 Toner TK 475 | Altimate Business Machines
How to replace Kyocera FS 6525 MFP toner cartridge TK 475 - YouTube