Apparatus for singulating documents seriatim. The apparatus includes: a frame; a device for feeding documents from an upstream position to a downstream position; a separating roller rotatably mounted in the frame; a lower, take-away roller rotatably mounted in the frame situated downstream of the separating roller; and a pivotable housing pivotably mounted in the frame. The housing includes an upper, take-away roller situated above and adjacent the lower, take-away roller, and a separating stone situated above and adjacent the separating roller.