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HP LaserJet Pro MFP M148dw, M148fdw Printers - Replacing the Imaging Drum

This document is for HP LaserJet Pro MFP M148dw, M148fdw printers.
The imaging drum helps to finalize the printing process by transferring the image or text to the paper. The imaging drum should be replaced for any of the following reasons:
  • An Imaging Drum Low or an Imaging Drum Very Low message displays on the printer control panel.
  • Repeated defects appear on printouts at the following intervals:
    • 26 mm (1 in)
    • 94 mm (3.7 in)