Description: This toner is designed to deliver crisp, clear prints every time. Its easy to install and is perfect for those who print a lot, want to save on operating costs, and, of course, want the highest quality prints. Manufacturer: TB Print Manufacturer Code: TS-4521RO EAN: 5901500505611 Cartridge type: Toner Color: Black Fits: Samsung Compatibility: Samsung SCX 4521F, 4321 Original code: SCX-4521D3 Chip: Yes Quantity in unit package: 1 Yield (5% coverage): 3000 pages A4