There may be a lot of pulp in the Auger Housing. If so, turn the juicer on to remove the excess pulp. Then try grabbing the Feeding Chute firmly with one hand and the Auger Housing with your other hand, and rotate the Chute counter-clockwise with force.Check to see if there are any hard objects stuck inside the Feeding Chute. The reverse switch may help dislodge it.Refer to the Shine Kitchen Co. Juicer SJV-107 user manual for more information.