Kyocera ECOSYS FS-3640MFP Black Multifunction System - CopierGuide
Kyocera 1T02LX0US0 Model TK-352 Black Toner Cartridge For use with Kyocera FS-3040MFP, FS-3040MFP+, FS-3140MFP, FS-3140MFP+, FS-3540MFP, FS-3640MFP and FS-3920DN Printers
Replacing Toner: ECOSYS FS-3640MFP and FS-3540MFP - YouTube
User manual Kyocera FS-3640MFP (English - 87 pages)
Kyocera FS-3640MFP Reviews, Specs, Pricing & Support | Spiceworks