E-Z Ink (TM) Compatible Toner Cartridge Replacement for Samsung 504 504s (CLT-K504S) 1 Black Toner Cartridge Brand: E-Z ink Page Yield: 2,500 pages per toner cartridge. All toner cartridges are produced in an ISO 9001 certified facility All toner cartridges are engineered to produce superb results. Compatible with CLP-415NW, CLX-4195FW, SL-C1810W, SL-C1860FW Laser Printer