1. ADF front cover (ADF Front Cover)
  2. Original feed unit (Original Feed Unit)
  3. The CIS is inside the ADF and can be removed through [A].
  4. First, open raise the platen cover, and then release the white plate [B].
  5. Raise the feeder cover.
  6. Remove the cover [A], and then remove the separation roller [B].
  7. Disconnect the front guide [x2).
  8. Remove:
    [A] Front guide
    [B] Guide (x1, x2)
  9. Remove the mylar bracket [A] (x1).
  10. Disconnect the CIS (x3).

    • Release the tabs on both sides of connector and then lower them to release the connector for removal.

  11. Raise the ADF slightly and open the white cover. This will prevent scratching the CIS glass when the unit is removed.
  12. Slide the belt [A] off so that it does not interfere with removal and re-insertion of the CIS unit.
  13. Remove the mylar plate [B] (x2).
  14. Slowly and carefully, pull the CIS out of the ADF.
  15. Clean the surface of the CIS lens with a lens cloth.

    • Never clean the surface of the CIS with tissue or any type of solvent.