Samsung CLT-R407 Compatible Laser Imaging Drum Unit for CLP-320, CLP-325W, CLX-3180 Printers Print Technology: Laser Supported Printer(s): Samsung CLP-320, CLP-321, CLP-325W, CLP-326, CLX-3180, CLX-3185, CLX-3186FN Supported Cartridges: CLT-R407 Cartridge Color: Black Page Yield: Up to 24,000 B&W, 6,000