Specifications:

1.Compatible toner cartridge for Lexmark MS321U Toner series
2.ISO9001, ISO14001 Certificated;
3. Packaging: bulk,airbag,PE Foam,White box, Neutral color box or customized color box( free customized box design )
4.For use with: For Lexmark MS521dn/Lexmark MX521ade/Lexmark MX622ade/Lexmark MS621dn/Lexmark MS622de