HP LASERJET BLACK IMAGING DRUM UNIT

HP LaserJet Black Imaging Drum Unit X3A74-67902 is a replacement imaging drum for supported HP LaserJet printers. It is the black drum unit used in the printer’s imaging system, and the service document identifies it as a replaceable component.

The part is listed for the HP LaserJet E82540, E82550 and E82560 series. It is intended for these printer families as a replacement when the imaging drum is damaged or worn. Matching the exact part number keeps the replacement tied to the specified drum unit.

This is a printer component for service replacement; installation and drum count reset are addressed in the printer’s service procedures.