Kyocera FS-4200DN "Non Genuine Toner" bent pin causing problem. Replaced drum assembly fixed it. : r/printers
Kyocera 1T02L10US0 Model TK-3122 Black Toner Kit For use with Kyocera ECOSYS FS-4200DN, M3040idn, M3540idn and M3550idn Laser Printers; Up to 21000 Pages Yield at 5% Coverage
TONER KYOCERA FS4200/4300DN ORIGINAL - Microdisk
Kyocera, KYOTK3122, 4200/3550 Toner Cartridge, 1 Each - Walmart.com
Kyocera Original Toner Cartridge - Laser - 15500 Pages - Black - 1 Each - ICC Business Products
TK-3182 Compatible Toner Cartidge for Kyocera FS-4200/4300 Series Printers | eBay