Genuine Samsung SCX-4521D3 Toner Cartridge for SCX-4321 SCX-4521 NEW Sealed 635753611694 | eBay
SAMSUNG SCX-4321 TONER CARTRIDGE BLACK / XAA
SPS 4521 / SCX4521 Black Toner Cartridge for Use in Samsung SCX-4521, SCX-4321F, SCX-4521F, SCX-4321 Single Color Toner (Black) : Amazon.in: Computers & Accessories