Amazon.com: NYT Compatible High Yield Toner Cartridge Replacement for SCX-4521D3 for Samsung SCX Printers SCX-4321,SCX-4521,SCX-4521F,SCX-4521FG,SCX-4521FR (Black,1-Pack) : Office Products
Samsung SCX-4521F Toner/Drum Cartridge, Black - $94.95 | SCX-4521D3