The Kyocera TK 3122 black original toner cartridge is designed to deliver exceptional print quality for your documents. With a duty cycle of up to 21, 000 pages, this toner cartridge ensures that you can produce high - volume prints without compromising on quality. It is compatible with various Kyocera printers, including the FS - 4200D/KL3, 4200DN, and 4200DN/KL3, making it a versatile choice for your printing needs. The cartridge utilizes advanced laser printing technology, ensuring sharp text and vibrant images on every page.