A: Proper Make-Ready is key. Avoid over-pressuring the machine to "force" a cut; instead, use thin shim tapes (Make-Ready tapes) behind the die to level out low spots. Excessive pressure dulls the steel rule prematurely and damages the cutting anvil

A: This is usually a mismatch between the Creasing Rule height and the Matrix (the channel the rule pushes the paper into). If the channel is too narrow or the rule is too high, it ruptures the outer liner of the board.