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
How to replace Kyocera FS 6525 MFP toner cartridge TK 475 - YouTube
Amazon.com: Kyocera TK-477 (TK477) Black Toner Cartridge 2-Pack for FS- 6525MFP, FS-6530MFP : Office Products