Flatbed inverter PCB 1 Remove the flatbed optical unit. See page 134. 2 Grasp the ends of the mirror cover (callout 1) and lift to remove it. 1 Figure 147. Flatbed inverter PCB (1 of 2) 3 Disconnect two connectors (callout 2). 4 Remove three screws (callout 3) and remove the flatbed inverter PCB assembly. 2 2 3 3 Flatbed inverter PCB (2 of 2) C8523-90921 PCB assemblies 159