Removal and Installation Installation 1. When installing the new Line Sensor, make sure you insert the Line Sensor Cable through the correct hole (as highlighted). 2. Install the Line Sensor by first inserting the 2 locating pins and then rotating upwards so that the clip locks into place. NOTE Make sure the Line Sensor is clipped correctly and securely, if not the Line Sensor will malfunction. 3. Connect the Line Sensor Connector to the Carriage PCA. 8-55 HP DesignJet 5000 and 5500 Series Printers Service Manual