Black Toner - 3,000 page yield
Mono Toner Cartridge for SCX-4200

SAMSUNG toner cartridges are specifically designed to use with your SAMSUNG printer. You'll get first-rate print quality with crisp, vibrant output from the first page to the last. They're easy to install, affordable and deliver, sharp, professional results every time you print.

http://www.samsung.com/us/computer/printers-accessories/SCX-D4200A/SEE