Replacing the Printhead Assembly
A printhead assembly consists of cartridges fitted into a 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.
NOTE:If HP replaces your printhead assembly under warranty, you will 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 . Click the link, and then look for the HP Parts Store. Search for part number CN642A. If the HP Parts Store is not available, contact your local HP sales office. The new printhead assembly comes with cleaning materials. To avoid possible damage to the new printhead assembly, also buy new cartridges.
Replace the printhead assembly
Follow these steps to replace the printhead assembly.
NOTE:Wait until a new printhead assembly is available before removing the cartridges. Do not leave the cartridges outside the product longer than 30 minutes. Leaving the printhead and cartridges outside the product for long periods can damage the product and the supplies.
Step one: Remove the old cartridges
- Press the Power button ( ) to turn on the product, if it is not already on.
- Raise the cartridge access door until it locks into place.The carriage moves to the center of the product. Wait until the carriage is idle and silent before continuing.
- To release an old cartridge, press in the tab on the front of the cartridge, and then pull upwards to remove it from the slot.
- Repeat the previous step to remove each cartridge.
Step two: Remove the old printhead
Step three: Clean the electrical contacts inside the product
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.
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.
Step four: Install the new printhead
- Remove the new printhead from the package.CAUTION:Do not touch the copper-colored electrical contacts. Do not scratch the electrical contacts on the product or any other surface.
- Hold the printhead upright with the colored shape icons on the top.
- Lower the printhead into the carriage.
- Carefully lower the latch handle.
Step five: Install the new cartridges
NOTE:Do not reuse the old cartridges. Old cartridges might damage the new printhead.
- Remove the new cartridge from the package by pulling the orange tab straight back.
- Twist the orange cap counter clockwise to snap it off the cartridge.
- With the cartridge contacts facing the printhead, slide each cartridge into its slot as indicated by the colored shape icons on the cartridge and on the printhead.CAUTION:Do not lift the latch handle on the carriage to install the cartridges. Doing so can result in incorrectly seated cartridges and printing issues. The latch must remain down in order to correctly install the cartridges.
- Press down on each cartridge until it clicks into place.
- Repeat this procedure for each cartridge.
- Close the cartridge access door.
Step six: Load paper
When you install new cartridges, the product prints an alignment page. Follow these steps to load paper into the product.
- Lift and hold the output tray in the open position.
- Slide the paper width guide outwards.
- Load the paper stack into the input tray with the short edge forward and print side down.
- Slide paper width guide inward until it rests against the stack of paper.
- Lower the output tray, and then pull out the tray extender. Flip up the paper catch.
Step seven: 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.
- Put the old printhead into the plastic package that the new printhead arrived in.
- Peel off the lid sticker labeled B and use it to seal the printhead package.
- Use the orange caps from the new cartridges to cap the old cartridges.
- 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.
- Close the box, apply the post-paid mailing label, and then put the box in the mail.