A sheet feeding and separating apparatus is provided for separating individual sheets from a stack. The apparatus includes sheet feeding means and retard means engaging the feeding means to form a nip for sheet advancement therebetween. A means is provided for adjusting the nip force between the retard means and the feeding means which is responsive to the direction in which a sheet is being advanced. A first nip force is provided when a sheet is advanced in a first direction and a second and different nip force is provided when the sheet is advanced in a different direction.
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