Tap Edit on the main interface to enter the message editing page.
Insert content: Tap Text / Barcode / QR Code / Time / Counter, enter the corresponding content and adjust parameters (font, dot matrix, spacing, etc.).
Save the file: Enter a file name, tap Save in the bottom right corner, and return to the main interface.
Start printing: Tap Print Switch (button turns green), select the trigger mode (external photoelectric trigger / manual trigger), and start printing.
