TRUE IMAGE SACLTK407S Compatible Toner Cartridge Replacement for Samsung CLT-K407S, Black High-yield black toner cartridge Expected Yield = 1,500 Pages at5% coverage ISO/IEC 19752 (letter/A4) Easy to install design Replacement CLT-K407S for Samsung CLP-320,CLP-320N,CLP-321N,CLP-325,CLP-325W,CLP-326, CLX-3180,CLX-3185,CLX-3185N,CLX-3185W,CLX-3185FN,CLX-3185FW,CLX-3186 Warranty: Lifetime 100% satisfaction guarantee