Black Toner Cartridge compatible replacement for Kyocera TK-6347K, TK6347 For use in these models: Kyocera Taskalfa 4004i, 5004i, 6004i, 7004i and Copystar CS 4004i, CS 5004i, CS 6004i, CS 7004i printers Toner kit contains: 1 black toner cartridge with smart chip Page yield: 40,000 pages per cartridge-tested using ISO/IEC 19752 standards of 5% page coverage