1. Check whether the label paper is placed correctly. The label paper should be exposed 0.5 cm from the paper outlet. 2. Check whether the label paper or ribbon is exhausted. If exhausted, please replace it in time. 3. If there is no problem as mentioned above, you can contact the online customer service for communication and processing.

1. Restart the printer or app and search again. 2. Turn your phone's Bluetooth off and on again.

1. Confirm that your phone's Bluetooth is enabled. 2. Restart the printer or app and search again. 3. Turn your phone's Bluetooth off and then on again.

1. Confirm that you are using genuine NIIMBOT label paper. 2. You can try pressing the power button to feed one sheet of paper and then printing again. 3. If the above problem does not occur, please double-click the power button to print a self-test page, take a photo of the self-test page, and send it to customer service for assistance.

1. Check if the label paper size matches the APP template. 2. The print offset can be adjusted using the APP's editing function.

1. Check if there are labels or foreign objects stuck to the paper guide sensor in the machine's paper tray. 2. Check if the template size set in the app matches the actual size of the label. 3. Check if the paper type set in the template is incorrect. 4. If the above issues are ruled out, the problem is a detector malfunction. Please contact customer service for assistance.