To Reinstall: 1 Seat the Controller PCA firmly onto the plastic retaining posts that secure the left side of the Controller PCA to the metal plate on the chassis (callout 4). 2 Properly reconnect all 11 cables to the Controller PCA (callout 1). 3 Make sure that the DIP switches on the Controller PCA are in the normal setting (off) (callout 5). (See table 7-15 on page 442.) C4085-91087 2000-sheet Input Tray Removal and Replacement 243