This is a Samsung SCX5312 OEM ORIGINAL DRUM UNIT For Samsung Printer/Fax: SCX5112 SCX5115 SCX5312 SCX5312F SCX5315 SCX5315F Msys 830 Msys 835P SF830 SF835P Yields: 15000 pages at 5% coverage OEM Part #: SCX5312 DRUM (SCX-5312 DRUM) OEM GENUINE ORIGINAL