hp-support-head-portlet

Actions
Loading...
HP Customer Support - Knowledge Base

hp-contact-secondary-navigation-portlet

Actions
Loading...

hp-share-print-widget-portlet

Actions
Loading...
  • Information
    Fix HP Printer issue on macOS

    A [software component] will damage your computer message displays when printing or while installing - Click Here

    Information

    Audio or sound issues? Try our automated HP Audio check!

    Information

    Fix and resolve Windows 10 update issue on HP Computer or Printer. Click here

    Information
    Create an HP account today!

     Connect with HP support faster, manage all of your devices in one place, view warranty information and more. Learn more​

hp-concentra-wrapper-portlet

Actions
Loading...

HP LaserJet Pro 300/400 color M351/M451 Series Printer - Replace the print cartridges

Replace the print cartridges

The product uses four colors and has a different print cartridge for each color: black (K), magenta (M), cyan (C), and yellow (Y).
  caution:
If toner gets on any clothing, wipe it off with a dry cloth and wash the clothing in cold water. Hot water sets toner into the fabric.
  1. Open the front door.
    Figure : Open the front door
  2. Pull out the print-cartridge drawer.
    Figure : Open the print-cartridge drawer
  3. Grasp the handle on the old print cartridge and then pull the cartridge straight up to remove it.
    Figure : Remove the old print cartridge
  4. Remove the new print cartridge from the packaging.
    Figure : Remove the new print cartridge from the packaging
  5. Gently rock the print cartridge from front to back to distribute the toner evenly inside the cartridge.
    Figure : Gently shake the cartridge
  6. Remove the orange, plastic shield from the bottom of the new print cartridge.
    Figure : Remove the packing material
  7. Do not touch the imaging drum on the bottom of the print cartridge. Fingerprints on the imaging drum can cause print-quality problems.
    Figure : Do not touch the imaging drum
  8. Insert the new print cartridge into the product.
    Figure : Insert the new cartridge
  9. Pull the tab on the left side of the print cartridge straight up to completely remove the sealing tape. Recycle the sealing tape.
    Figure : Remove the sealing tape
  10. Close the print-cartridge drawer.
    Figure : Close the print-cartridge drawer
  11. Close the front door.
    Figure : Close the front door
  12. Place the old print cartridge, the sealing tape, and the orange plastic shield in the box for the new print cartridge. Follow the recycling instructions that are included in the box.

hp-feedback-input-portlet

Actions
Loading...

hp-feedback-banner-portlet

Actions
Loading...

hp-country-locator-portlet

Actions
Loading...
Country/Region: Flag Bulgaria

hp-detect-load-my-device-portlet

Actions
Loading...