Removing developer/imaging drum bias supply 1 Remove the top cover assembly (see page 232) and then remove the rear cover (see page 243). 2 Remove five screws from the sheet metal cover plate and lift it off. 3 Unplug four connectors (callout 3). 3 2 1 2 5 2 2 2 4 2 23 Figure 140. Developer/imaging drum bias supply 4 Release two cable stays. 5 Remove two screws on the bottom of the PCA housing (callout 4). 6 Remove one screw on the PCA (callout 5). 7 Lift the PCA up and off. EN Rear assemblies 289