Power supply 1 Remove the controller PCA cover. 2 Unplug the power cable (callout 1) from the power supply. 3 Disconnect the cable from the controller PCA (callout 2). 4 Use the TX-20 screwdriver to remove one screw (callout 3) from the bracket that holds the power supply in place. 2 2 1 3 2 2 Figure 205. Power supply removal 5 Lift the bracket and the power supply out and away from the product. EN 3,000-sheet stapler/stacker and 3,000-sheet stacker 355