1. Remove the paper exit lower cover. (Paper Exit Lower Cover)
  2. Turn over the operation panel. (Operation Panel Unit)
  3. Remove the inverter guide cover sensor. (Inverter Guide Cover Sensor)
  4. Remove the inverter guide [A].
  5. Remove the cap [A].
  6. Remove the screw of the upper inner cover [A].
  7. Remove the upper inner cover [A].