1. Daily maintenance of printer
2. Print paper away from the paper
3. The print is not clear and the quality is poor
4. When printing, the label goes, the carbon does not go
5. Why does the barcode printer occasionally show some spots on the label
6. What is the problem when the printing temperature is too high
7. Printing paper positioning is not accurate, there is up and down offset or jump
8. When I print, I find that the carbon has creases
9. Load the paper, lock the print head, and the screen shows that no paper is detected
10. There are white bars in the fixed position of the printed content