Before using the machine, it is necessary to do an in-depth understanding of the machine, carefully read the product manual, and reach a certain level of operating technology. Before starting the machine, wear appropriate protective tools to avoid injury; when changing the knife, the knife should not face the person; when cutting the packaging paper, the blade should not be placed anywhere; during the operation of the machine, the hand cannot be stretched On the paper presser, so as not to pinch your hands, the power should be shut down when the knife is changed; make sure no one does other work on the machine before starting the machine; never put your hands behind the cutter during operation. Do not put your hand under the knife when you change the tool or adjust it during shutdown; you must regularly adjust and replace the brake belt, otherwise it will easily slip. In addition, the machine should be checked regularly. If any problems are found, they should be dealt with immediately, and the work cannot be forced.