Kyocera Drum Kit DK-8505 is a replacement drum unit for compatible Kyocera printing equipment. Its exact part number is 302LC93015, which identifies this particular DK-8505 kit.
The listed compatible devices include Kyocera TASKalfa 3050ci, 3051ci, 3550ci, 3551ci, 4550ci, 4551ci, 5550ci and 5551ci, as well as FS-C8600DN and FS-C8650DN. The drum unit supports the printing process in these models. Use it as the drum component specified for those devices.