Face-up Sensors PCA Figure 6-137 Face-up Sensors PCA 1 Remove the Front Cover (page 295). 2 Remove 1 screw (callout 1). 3 Unplug J306 from the Empty Bin Sensor PCA, and remove the Empty Bin Sensor PCA (callout 2). 318 Chapter 6 Removal and Replacement C4085-91087