Controller PCA Figure 6-100 2 x 500-sheet Input Tray Controller PCA 1 Remove the Back Cover (page 263) and the Left Cover (page 264). 2 Unplug all 7 connectors. 3 Remove 4 hex screws from the C-link connectors (callout 1). 4 Remove the 2 screws that hold the PCA to the metal base (callout 2). 5 Release the tabs at the left side (callout 3), and remove the PCA. C4085-91087 2 x 500-sheet Input Tray Removal and Replacement 281