Do not touch, wipe or attempt to clean the printhead nozzles. This can damage the printhead and reduce print quality.

After waiting a few moments to allow both connectors to dry, replace the printhead into the carriage assembly. See how do I install printheads?.

1. Ensure that you have the correct HP No. 81 or HP No. 83 printhead.
2. Ensure that you have removed the protective cap from the printhead.
3. Ensure that the printhead is the correct color for that slot.
4. Ensure that the printhead is the correct orientation.
5. If the front panel persistently displays the message RESEAT next to the printhead, try performing the procedure shown in how do I install printheads?

See also: how do I maintain my printer?