Before using the machine, you must have a thorough 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, do not point the knife at people. When cutting the wrapping paper, do not place the blades randomly. During the operation of the machine, hands cannot reach On the paper press, to avoid pinching your hands, the tool should be switched off when the power is switched off; make sure that no one is doing other work on the machine before starting the machine; never put your hand behind the cutting knife when running. Do not put your hands under the knife when changing tools or adjusting the machine during shutdown. The brake band must be adjusted and replaced regularly, otherwise the phenomenon of slipping may occur.