1. Open the front cover.
  2. Release the locks [A].
  3. Transfer unit [B]
  4. Pull out the waste toner bottle [A].
  5. Release the hook [A] under the guide plate.
  6. Move the guide plate [B] underneath the fusing unit to the left, and then remove it.
  7. Pull out the image transfer belt unit [A] ( x 2).
  8. Clean inside the printer, especially around the circled area [A].
  9. Clean the circled area at the waste toner bottle [A] and the circled area [B] on the image transfer belt unit.
  10. Reassemble the printer.