Kyocera How to: Replace Toner - FS 2100dn, 4100dn, 4200dn & 4300dn - YouTube
Amazon.com: Kyocera 1T02NSBUS0 Model TK-5152M Magenta Toner Kit For use with Kyocera ECOSYS M3040idn, ECOSYS M3540idn and FS-2100DN Color Network Printers; Up to 10000 Pages Yield at 5% Average Coverage : Office