The black Kyocera TK-340 toner cartridge works in your mono laser printer for professional quality print output. This original TK-340 cartridge has been manufactured by Kyocera to exacting standards and ensures that flawless operation is maintained from start to finish. Kyocera TK340 printer cartridges have been filled with microfine toner for superior print quality that features crisp text and sharp graphics. The Kyocera TK340 cartridge works independently from the drum and developer units as part of Kyocera Ecosys printing system for maximising efficiency. The cartridge also provides duplex document delivery, easy installation and a capacity of approximately 12,000 pages.