Make sure you have the following materials available:

A lint-free cloth, or any soft material that will not come apart or leave fibers.

Distilled, filtered, or bottled water (tap water might contain contaminants that can damage the print cartridges).

To clean the rollers

1.Turn off the product and remove the power cord.

2.Press in the tab on the left side of the rear door to release the door. Remove the door by pulling it away from the product.

3.Dip the lint-free cloth into the purified or distilled water, and squeeze any excess water from it.

4.Clean the rubber rollers to remove any dust or dirt buildup.

5.Replace the rear door. Gently push the door forward until it snaps into place.

6.Plug the power cord back in, and turn on the product.

7.Try to print again.

Cause: The rollers were dirty and needed to be cleaned.

If this did not solve the issue, try the next solution.

Solution 5: Service the product

Solution: If you have completed all of the steps provided in the previous solutions, contact HP support for service.

Go to: www.hp.com/support.

If prompted, choose your country/region, and then click Contact HP for information on calling for technical support.

Cause: Your product needs servicing.

The text edges are jagged

Try the following solutions if the text in your printouts is not sharp and the edges are rough.

Troubleshooting

Print quality troubleshooting

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HP D5400 manual Text edges are jagged, To clean the rollers, Solution 5 Service the product