Black Toner Cartridge Compatible with Samsung Xpress C1810W (N9780)
How To Refill Samsung Laser Printer Toner Model: CLP-415NW & C1810W - YouTube
Amazon.com: MM MUCH & MORE Compatible Toner Cartridge Replacement for Samsung 504S CLT-504S CLT-K504S Used for SL-C1810W SL-C1860FW CLX-4195N CLX-4195FN CLX-4195FW CLP-415N CLP-415NW Printer (Black, 1-Pack) : Office Products