HP Designjet T2300 eMFP Product Series - The front-panel display recommends reseating or replacing a printhead

From the front panel, turn the power off then on.

Check the front-panel display message, if it shows the ready message, the printer is ready to print. If the problem remains continue with the next step.

Remove the printhead.

Clean the electrical connections on the backside of the printhead with a lint free cloth. You can carefully use a mild rubbing alcohol if moisture is needed to remove residue. Do not use water.

  caution:

This is a delicate process and may damage the printhead. Do not touch the nozzles on the bottom side of the printhead, especially not with any alcohol.

Reinsert the printhead.

Check the front-panel display message. If the problem remains, try a new printhead.