Amazon.com: HP Samsung Electronics CLT-K504S Toner for CLP-415NW, CLX-4195FW, SL-C1810W, SL-C1860FW, Black (SU162A) : Office Products
Samsung K504 Black Toner Cartridges - 123inkjets
Toner Bank 1-Pack Compatible Toner for Samsung CLT-K504S K504 Xpress SL-C1810W C1860FW (Black) - Walmart.com
Compatible Replacements for Samsung CLP/CLX/SL Set of 2 Black Laser Toner Cartridges: 2 CLT-K504S Black for use in Samsung CLP-415NW, CLX-4195FN, CLX-4195FW, SL-C1810W, & SL-C1860FW - Walmart.com