1. Open the rear cover (a).
  2. Close the duplex conveying unit (a).
  3. Remove two straps (c) of the rear cover (b).
  4. Align the rear cover in the direction of the arrow, then release the fulcrum parts (b) and (c), and remove the rear cover (a).
    To remove the fulcrum pin, first spread out the frame on the side (b) by pushing the rear cover inward with a flathead screwdriver.