1. Toner Cartridge E320, 322 2. For use in HP LaserJet E320/E322/E322n 3. Color: Black. 4. Specification: Mitsubish OPC Drum, Korea powder 5. Packing: Neutral / OEM package / Kingnote package 6. Page Yield: 3000 pages at 5% coverage. 7. Guarantee: 1: 1 replacement, 1 year warranty.