Removal and Installation 6. Remove the T-15 screw ( Type F ) that attaches the Drop Detector Assembly to the Service Station. 7. Remove the Drop Detector from the Service Station. NOTE Move the Drop Detector towards the front of the Service Station until the locating pin reaches the end. 1 2 Pin 8. Lift the Foam from the Service Station. NOTE The Foam may be full of ink so be careful when handling it. NOTE If you replace the Drop Detector you must perform the following Service Calibration: Service Station ⇒ Page 5-11 . 8-73 HP DesignJet 5000 and 5500 Series Printers Service Manual