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Replacing the Printhead for HP Photosmart 7510 e-All-in-One Printer Series

Introduction

A printhead assembly consists of a printhead and the cartridges fitted in the printhead. If the printhead assembly sustains damage or is incompatible with the product, you might need to replace it. Replacement printhead assemblies are only available from HP Support or authorized service providers.
These steps are for the United States only.
If HP replaces your printhead assembly under warranty, you receive a new printhead assembly, cleaning materials, and a full set of new cartridges.
If your printhead assembly is no longer under warranty, you can purchase a new one online.
  1. Go to the HP Parts Store website (in English).
  2. Under Find your part(s), type CN642A in the Search by part number text box.
  3. Follow the on-screen instructions to order the printhead assembly.
These steps are for all countries/regions except the United States.
If HP replaces your printhead assembly under warranty, you receive a new printhead assembly, cleaning materials, and a full set of new cartridges with the replacement printhead.
If your printhead assembly is no longer under warranty, you can purchase a new one online.
  1. Go to the HP How to Buy website, and then click your country-language.
  2. A Buy HP page displays. Look for the HP Parts store on this page. The location of the HP Parts store varies depending on your region. Click HP Parts store.
  3. Under Find your part(s), type CN642A in the Search by part number text box. Follow the on-screen instructions to order the printhead assembly.
This information is for Asia Pacific only.
If HP replaces your printhead assembly under warranty, you receive a new printhead assembly, cleaning materials, and a full set of new cartridges. If your printhead assembly is no longer under warranty, call the HP Customer Care Center for assistance.

Replace the printhead assembly

Follow these steps to replace the printhead assembly.

Step one: Remove the old cartridges

  1. Press the Power button () to turn on the product, if it is not already turned on.
  2. Open the cartridge access door. The carriage moves to the center of the product. Wait until the carriage is idle and silent before continuing.
    Figure : Open the cartridge access door
    Image: Open the cartridge access door
  3. To remove an old cartridge, press the tab on the front of the cartridge, and then pull it up to remove it from its slot.
    Figure : Remove the cartridge from its slot
    Image: Remove the cartridge from its slot
  4. Repeat the previous step to remove each of the cartridges.

Step two: Remove the old printhead

  1. Lift the latch handle on the carriage until it stops.
    Figure : Lift the latch handle
    Image: Lift  the latch handle
  2. Lift the printhead to remove it from the carriage.
    Figure : Remove the old printhead
    Image: Remove the old printhead

Step three: Clean the electrical contacts inside the product

note:
The product shown in the following video might look slightly different than your product, but the steps still apply.
For successful printhead assembly replacement, it is important to get the electrical contacts inside the product as clean as possible. The replacement printhead assembly comes with pre-moistened wipes.
Figure : Pre-moistened wipes
Image: Pre-moistened wipes
Use these wipes to clean the electrical contacts inside the product. Wipe from the top to the bottom of the electrical contacts, in one direction only. As the wipes become dirty, discard the used wipes and open new ones.
  caution:
Do not wipe up and down or side to side, as doing so can damage the product.
Figure : Clean the electrical contacts inside the product
Image: Cleaning the electrical contacts inside the product

Step four: Install the new printhead

  1. Remove the new printhead from its packaging.
    Figure : Remove the new printhead from its packaging
    Image: Remove the new printhead from its packaging
      caution:
    Do not touch the copper-colored electrical contacts. Do not scratch the electrical contacts on the product or any other surface.
    Figure : Do not touch the electrical contacts
    Image: Do not touch the electrical contacts
  2. Hold the printhead upright with the colored icons on the top.
  3. Lower the printhead into the carriage.
    Figure : Install the new printhead
    Image: Install the new printhead
  4. Carefully lower the latch handle.

Step five: Install the new cartridges

  caution:
Do not reuse the old cartridges. Old cartridges might damage the new printhead.
  1. Pull the orange tab to remove a new cartridge from its plastic wrap.
    Figure : Remove a new cartridge from the plastic wrap
    Image: Remove a new cartridge from the plastic wrap
  2. Twist the orange cap counter clockwise until it snaps off the new cartridge.
    Figure : Remove the orange cap from the new cartridge
    Image: Remove the orange cap from the new cartridge
  3. With the nozzle and contacts facing down, slide the cartridge into its slot. Press down on the cartridge until it clicks into place.
    note:
    Make sure that the colored icon on the cartridge matches the colored icon on the slot.
      caution:
    Do not lift the carriage latch handle to install the cartridges. Doing so can result in incorrectly seated cartridges and printing problems. The latch must remain down to install the cartridges correctly.
    Figure : Insert the cartridge
    Image: Insert the cartridge
  4. Repeat the previous steps until you have inserted all of the new cartridges into the product.
  5. Close the cartridge access door.
    Figure : Close the cartridge access door
    Image: Close the cartridge access door
  6. Load plain white paper in the tray for the following alignment process.
  7. When you insert a new cartridge, the product automatically prompts you to align the cartridges. Touch OK on the control panel to complete the alignment.

Step six: Return failed parts to HP

If the new printhead assembly came with a post-paid mailing label and instructions to return the failed parts to HP, please do so. HP wants to analyze the parts in order to improve our products in the future.
If a post-paid return mailing label is not included with the new printhead assembly, you are done, and there is no need to continue troubleshooting.
  1. Put the old printhead into the plastic package that the new printhead arrived in.
    Figure : Put the old printhead into the package
    Image: Put the old printhead into the package
  2. Peel off the lid sticker labeled B and use it to seal the printhead package.
    Figure : Peel off the lid sticker
    Image: Peel off the lid sticker
    Figure : Seal the package with the lid sticker
    Image: Seal the package with the lid sticker
  3. Use the orange caps from the new cartridges to cap the old cartridges.
    Figure : Cap the old cartridges
    Image: Use the orange caps from the new  cartridges to cap the old cartridges
  4. Put the old parts and the form that came with the new parts into the box that the new parts came in. If possible, also include a sample printout that shows the issue with the old printhead.
    Figure : Put the old parts, form, and sample printout into the box
    Image: Put the old parts, form, and sample printout into the box
  5. Close the box, apply the post-paid mailing label, and then put the box in the mail.
    Figure : Send the box back to HP
    Image: Send the box back to HP

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