Install a genuine Kyocera Black Laser Toner Kit (TK-3130) in your Kyocera FS-4200DN or FS-4300D laser printer for amazing quality and dependable reliability. Make sure you order a spare toner cartridge when you see the Toner is Running Out error message on your Kyocera printer. Then, when you see the message Replace the Toner, you can quickly remove the old toner and restart your printing quickly. This standard yield cartridge is packed with enough black toner to print 25,000 pages.