| 摘要 |
A hopper is provided including a pile plate, a backstop, a jogger opposite the backstop, the backstop and jogger being separated to permit a signature stack to be placed therebetween on the pile plate, and a flexible guide located opposite the jogger, adjacent to the backstop. A hopper is also provided including a pile plate, a backstop, a jogger opposite the backstop, the backstop and jogger being separated to permit a signature stack to be placed therebetween on the pile plate, and a toothed guide located opposite the jogger and adjacent to the backstop, a plurality of teeth of the toothed guide facing the signature stack. Methods are also provided.
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