1. Please Try with different data cables.
2. Ensure the connection is correct.
For T02:
For M02:
For M02S:
3. Check the indicator light status while charging.
After connecting the printer to a power outlet using the adapter, please check the status of the indicator light.
For T02 & M02:
For M02S:
4. How to check the current battery level.
1. Please unplug the power cable and power on the printer.
2. Please load a thermal print paper into the printer.
3. Please double-click the power button to print a self-test page.
5.Charge the printer.
The printer's indicator light will flash during charging. When the printer is fully charged the indicator light will stop flashing. Typically, it takes 2-3 hours to fully charge the printer. Then please turn the printer on again.
If you have trouble charging your printer, please contact our support team and provide the following information:
1. A photo of the power adapter you're using (refer to Setp 1).
2. A demo video about the charging issue (please record while the cable connected so we can see the status of the indicator light).
3. Your order number, purchase date, and purchase platform.