The first thing is to check whether the printer panel indicator is abnormal, if there is abnormal flashing, please check whether there is a paper jam in the printer, if there is a jammed paper or paper, please remove and try again.
If the cutter is half-cut, the normal state is not cut off, if it is a full-cut cutter, and the beginning of the use of normal, the reason can be cutter chip damage, but also may be cutter components loose.