- Open the Front cover.
- Remove the fusing unit. (Fusing Unit)
- Release the locks [A], and then pull out the Image transfer belt unit [B].
- Before reinstalling the ITB unit, if the TM sensor [A] is facing upward (the white lever [B] is retracted), pull the lever to the position indicated by the red line in the photo to make sure that the TM sensor is facing downward.
- Before reinstalling the ITB unit, if the TM sensor [A] is facing upward (the white lever [B] is retracted), pull the lever to the position indicated by the red line in the photo to make sure that the TM sensor is facing downward.