1. Remove the cassette (a) from the paper feeder (b).

  2. Remove eight screws (a)(M3x10)

    Secure the screws in the order of the numbers.

  3. Place the paper feeder (a) while turning it over.
  4. Release two hooks (b) of the PCB cover (a) using a flat-blade screwdriver (c).
  5. Detach the PCB cover (a).
  6. Remove the actuator (a) and spring (b).
  7. Disconnect nine connectors (b) from the PF main PCB (a).
    YC1 to YC7, YC9, TB1
  8. Remove the wire (a) from the hook (b).
  9. Place the paper feeder while turning it over. Release the hook (a) using a flatblade screwdriver (b).
  10. Place the paper feeder while turning it over. Release the hook (a) using a flatblade screwdriver (b).
    *: Release it while widening the cover with a flat-blad screwdriver.
  11. Lift up the paper feeder (b) and remove the upper cover (a).
  12. Push the lock lever (a).
  13. Slide the feed roller pin (b) straight and release the lock.
  14. Push the lock lever (a).
  15. Detach the paper feed roller unit (b).
  16. Slide the feed roller drive pin (a) and release it from the drive joint (b).
  17. Remove two screws (a)(M3x8).
  18. Release the hook (a) with a flat-blade screwdriver (b) and remove the PF drive unit (c).
  19. Check the PF drive unit and clean or replace it if necessary.

  20. Reattach the parts in the original position.

    Before attaching the top cover (a), confirm the ground spring (b) is inserted in the hole on the main unit.
    Attach the spring with its projection facing down.