Kyocera Mita Genuine Brand Name, OEM TK8707K (TK-8707K) Black Toner Cartridge (70K YLD) for TASKalfa 6550ci, TASKalfa 7550ci Printers Genuine Kyocera-Mita Black toner for TaskAlfa 6550c, Taskalfa 6550ci, Taskalfa 6551c, Taskalfa 6551ci, Taskalfa 7550c, TaskAlfa 7550ci, Taskalfa 7551c, Taskalfa 7551ci. Quality printing starts with a quality toner. Delivers maximum machine efficiency and consistent product yield. Cartridge installs easily to minimize downtime.