In cracking where a irregular black fall hard block on exuvaite and was adhensive in a printing plate surface, and transfer to the last blanket, reflected in the holdout prints.

• 在开裂处必然有不法规的不黑色硬块零落掉下来了，被粘附在印版暗地，又转印到橡皮布上，末了反响在印品的不朱层底下。