The Basics: Drum - How Laser Printers Work | HowStuffWorks
Pantum Toner Cartridge DL-410 Drum Unit Works M7102, M7202, M6802, P3012, P3302, M6702 M7302 Series Monochrome Laser Printer, Yields up to 12,000 Pages
Dell D4283 Black Imaging Drum Kit 1700n/1710n Laser Printer