Removal and Installation 7. Remove the Ink Cartridge Tube Connector and place safely on the window. 8. Remove 1 T-15 screw ( Type F ) from the Left Hand Cover (rear). 9. Close the Left Back door and remove 1 T- 25 screw ( Type U ) from bottom side (rear) of Left Hand Cover. 8-8 HP DesignJet 5000 and 5500 Series Printers Service Manual