Patent ID: 8385785

Claim:
A development station comprising: a housing having an opening to receive toner and a development window through which a developer can be exposed to an electrostatically charged member such that toner will transfer to the electrostatically charged member according to the electrostatic charge thereon and providing a recirculation path from the development window through an area where toner from the opening can be added to developer in the housing including developer from the development window and returning to the development window and an auger positioned within the housing and being rotatable to move the developer along at least part of the recirculation path; a first output at a first end of the auger through which at least part of a first force can be applied to rotate the auger and through which a first urging force urging the first end of the auger away from the second end can be applied to the first end of the auger; a second output at a second end of the auger through which at least part of a second force can be applied to rotate the auger and through which a second urging force urging the second end away from the first end can be applied to the second end of the auger; at least one actuator for generating an input force from which at least one of the first force and the second force can be provided; and a separator providing the first urging force and the second urging force to create a tension in the auger.