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
Compatible Replacements for Samsung SCX-4521D3 Set of 2 Black Laser Toner Cartridges for use in Samsung SCX-4321, SCX-4521, SCX-4521F, SCX-4521FG, and SCX-4521FR s - Walmart.com