How to call the police when the sticker label machine runs out of position in secondary printing?

In this case, the following methods can be used to give an alarm:

1. Sound alarm: In the process of secondary printing, if there is displacement, the machine can make a specific sound, and the operator can find and deal with it in time.

2. Screen display alarm: The screen of the sticker label machine can display the printing situation in real time, and if there is any deviation, an alarm message can be displayed on the screen, and the operator can immediately find and solve it.