KYOCERA TK12 Toner cartridge for kyocera fs-1550, 1600, 3400, 3500, 3600a & others, black Toner Cartridge For printer models FS-1550, 1550 Plus, 1550A, 1600, 1600 Plus, 1600A, 3400, 3600, 3600 Plus, 3600A. Black