1. Remove the PTR unit (PTR Unit Removal)
  2. Remove the PTB unit (PTB Unit Removal)
  3. Reach into the machine at the back frame of the drawer, and then remove the screw.
  4. At the rear of the open drawer [A], remove the bracket (x1).
  5. At the front of the drawer, remove the bracket (x1).
  6. While pushing the roller [A] as far to the rear as possible, pull the front end of the shaft through the hole and then pull up the end of the roller against the back of the plate [B].
  7. Make sure that the roller is raised high as possible.
  8. Depress tab releases on both sides of the board cover, and then remove the cover.
  9. Disconnect the board at:
    [A] Rear (x1)
    [B] Front (x1)
  10. Disconnect the board:
    [A] Right (x2)
    [B] Left (x3)
  11. Remove the board.