- Turn the upper guide [A] upside down.
 - Disconnect the ground wire [B].
 - Remove the sensor bracket.
 - Disconnect the skew correction sensor [A] (white connector).
 Disconnect the separation sensor [B] (black connector).
- These sensor harnesses must be re-connected as shown.
 
- Release the shielded harnesses at the front [A] and rear [B].
 - Remove the original shielded harnesses.