Genuine/OEM Lexmark 50F0Z00, 50F0ZA0 Imaging Drum Unit
Amazon.com: 50F0Z00 500Z Black Drum Unit 1-Pack: SAO Compatible Replacement for Lexmark 50F0Z00 Imaging Unit to use with MS310d MS310dn MS312dn MS315dn MS410d MS410dn MS415dn MS510dn MS610de Printer (Not Toner) : Office