1 Check if the printer is connected to the power supply.
2 The front and rear feed adjustment lever positions are correct. (The position of the adjustment lever is usually on the side of the printer, either front or rear. It is well recognizable because it can only be moved two positions, up or down, or front or back.)
3 Carefully observe whether there are any scraps of paper or other foreign matter in the gap of the paper feed. Some will take it.
4Pull the front (or back) cover of the printer and carefully wipe the paper feed with a clean cotton cloth. The purpose of this is to wipe the paper feed sensor. Its shape is a square of two centimeters. The material is semi-transparent plastic. . Look carefully to see what you can see.
5 Restore factory settings or modify the coms printer port settings.
Stand Up Pouch with Vitop,High Quality Stand Up Pouch with Vitop,Stand Up Pouch with Vitop Details, CN
Dongguan Yoteng Technology Co., Ltd. , https://www.ytpropackage.com