1. Pull out the cassette (a).
  2. Pull the conveying stopper (a) toward the machine right side and rotate it by using a flat-blade screwdriver (b).
  3. Release the hook (c) of the conveying stopper (a) from the rib (d) and pull the conveying stopper (a) out.
  4. Slide the duplex paper conveying unit (a) toward the machine right side.
  5. Release the fulcrum part of the duplex paper conveying unit (a) at the machine left side, and pull the unit out toward the machine rear side.
  6. Release two hooks (a).
  7. Remove the retard cover (b) toward you.
    Place the flat-blade screwdriver (c) into the center and remove it by bending it towards the machine rear side.
  8. Remove the retard roller unit (d).
  9. Remove the retard roller holder [A].
  10. Remove the retard roller [A].

  • Make sure you install the cassette first when attaching the retard roller unit. The retard pressure release lever must be located at the machine front side from the retard roller unit to apply appropriate pressure.
  • To check if the retard roller unit has been installed correctly, remove the cassette and look at the paper feed section.
    • If the retard roller unit has been installed correctly: The top of the retard pressure release lever [A] is fully seen.
    • If the retard roller unit has not been installed correctly: The top of the retard pressure release lever  [A] is hidden behind the gray part.
  • When reattaching the retard cover (a), fasten two upper hooks (b) and then push the retard cover to fasten two lower hooks (c).
    Check if four hooks (b and c) are surely fastened after reattaching it.