"However, in such prior arrangements it is possible for the guide members to be retracted before the intercepting elements are fully in place, with the result that a sheet may be missed and **travel beyond the forward edge of the pile**. As a result when the guide members are restored to operating position, engagement of the leading edge of the **overtraveling sheet** causes it to buckle so that it and the subsequent sheets do not lie flat, and the integrity of the pile is spoiled requiring shutdown of the press."

kjørt forbi f.eks. grense eller signal, så går for langt og innstillingen må justeres