- Remove the duplex unit. (Duplex unit)
- Remove the power pack (PCB19) [A]. (hook×2)
- When removing the power pack (PCB19), disconnect two connectors from the back side of the power pack (PCB19) [A].
- When installing the power pack (PCB19), insert the actuator [A] through the hole [B] of the power pack (PCB19) [C].