Package includes: 1 Pack 50F0Z00 Black Drum Unit - 50F0Z00 Compatible with the following printers: MS310d MS310dn MS312dn MS315dn MS410d MS410dn MS415dn MS510dn MS610de MS610dn MS610dte MS610dtn MS617dn MX310dn MX410de MX417de MX510de MX511de MX511dhe MX511dte MX610de MX611de MX611dhe MX611dte High performance: 1. Bright color and exorbitant fidelity 2. Strictly inspected Leakproofness 3. Persistence and stability 4. Compatibility 5. large Drum capacity Which scenarios are applicable: applicable to hospitals, schools,government trading companies, financial companies and more scenarios. If you have any questions, please contact us in time, we are happy to help you.