Xerox COMPATIBLE Drum Unit XEROX 013R00591 135R91 013R00591 (13R591) Black Drum Unit (also called Photoconductor Unit) for Workcentre 5325 Workcentre 5330 Workcentre 5335 COMPATIBLE WITH THE FOLLOWING PRINTER MODELS: Xerox Workcentre 5325 Xerox Workcentre 5330 Xerox Workcentre 5335 Page Yield: 96000 pages