Removal and Installation 7. Lift up the Carriage Cover and remove ALL the Printheads and close the Carriage Cover. 8. Slide the Carriage along the Printer to the position shown. 9. Push in the 2 retaining clips either side of the Printhead Tube Connector. 8-47 HP DesignJet 5000 and 5500 Series Printers Service Manual