HP 57A Original LaserJet Imaging Drum (CF257A) is a black imaging drum for compatible HP LaserJet printers. It forms part of the laser printing process and is intended as a replacement imaging component for supported devices.
HP lists the drum for the LaserJet M42625, M433 and M436. Its stated page yield is approximately 80,000 pages; actual results may vary with print use. The part is designed for the LaserJet M436 multifunction printer.
In the box: imaging drum and recycling guide.