Replacing the imaging drum of HP Laserjet 100 color MFP M175A

Introduction

This document contains steps to replace the imaging drum. Replace the imaging drum for the following reasons:
  • An ‘Imaging Drum Low ’ or an ‘Imaging Drum Very Low ’ message displays on the product control panel.
    NOTE : Actual remaining imaging drum life may vary.
  • Repeated defects appear on printouts at the following intervals:
  • 26 mm (1 in)
  • 94 mm (3.7 in)
NOTE : The imaging drum installed in the product is covered by the product warranty. Replacement imaging drums have a one-year limited warranty from the date of installation. The imaging drum installation date displays on the Supplies Status page. HP’s Premium Protection Warranty applies only to the print cartridges for the product.

Replacing the imaging drum

Follow these steps to replace the imaging drum.
  1. Open the print cartridge door.
    CAUTION : Wait until the ‘ROTATING ’ message and the rotation sounds stop before you open the print cartridge door.
    Figure 1: Open the print cartridge door

    Image: Open the print cartridge door.

  2. Open the front cover.
    Figure 2: Open the front cover

    Image: Open the front cover.

  3. Lift the two levers that hold the imaging drum.
    Figure 3: Lift the imaging drum levers

    Image: Lift the imaging drum levers.

  4. Remove the old imaging drum.
    Figure 4: Remove the old imaging drum

    Image: Remove the old imaging drum.

  5. Unpack the new imaging drum. Place the used imaging drum in the bag and box for recycling.
    Figure 5: Unpack the new imaging drum and recycle the old imaging drum

    Image: Unpack the new imaging drum and recycle the old imaging drum.

  6. Remove the protective shield from the new imaging drum.

    CAUTION : To prevent damage to the imaging drum, do not expose it to light. If you need to keep the imaging drum outside the product for a short period, cover it with paper.Do not touch the green roller on the imaging drum. Fingerprints on the imaging drum can cause print quality issues.

    Figure 6: Do not touch the imaging drum roller

    Image: Do not touch the imaging drum roller.

    Figure 7: Remove the protective shield from the imaging drum

    Image: Remove the protective shield from the imaging drum.

  7. Insert the new imaging drum into the product.
    Figure 8: Insert the imaging drum

    Image: Insert the imaging drum.

  8. Lower the imaging drum levers.
    Figure 9: Lower the imaging drum levers

    Image: Lower the imaging drum levers.

  9. Close the front cover.
    Figure 10: Close the front cover

    Image: Close the front cover.

  10. Close the print cartridge door.
    After you close the print cartridge door, the control panel displays the ‘Calibrating ’ message. Wait for the product to stop calibrating before proceeding.
    Figure 11: Close the print cartridge door

    Image: Close the print cartridge door.