Please confirm whether your phone has permission to obtain location information. Due to functional limitations of the Android phone system, positioning must be enabled to use the Bluetooth function.

1. Please restart the printing or APP and search again. 2. Please turn off the Bluetooth of your mobile phone and turn it back on.

1. Please check whether the label paper is placed correctly. The label paper should be exposed 0.5 cm from the printer. 2. Check whether the label paper or carbon ribbon is exhausted. If exhausted, please replace it in time. 3. If the above problems are excluded, it is a machine failure. You can contact after-sales customer service to communicate and solve it.

1. Please check whether the label paper size matches the APP template. 2. The printing offset can be adjusted through the APP editing function.

Please follow the APP abnormal prompts to solve the problem.

1. Please confirm whether the Bluetooth function of the mobile phone is turned on. 2. Please restart the printing or APP and search again. 3. Please turn off the Bluetooth of the mobile phone and turn it on again.

1. Please confirm whether the consumables used are original NIIMBOT consumables. 2. You can click the power button to feed one sheet of paper and then print again. 3. Double-click the power button to print the self-test page, take a photo of the self-test page and send it to customer service for feedback and resolution.

1. Please check if there is any label paper or foreign matter stuck on the paper guide sensor of the paper bin. 2. Please check if the template size set on the APP is consistent with the actual size of the label paper. 3. Please check if the paper type set in the template is wrong. 4. If the above problems are excluded, it is a detector failure. Please contact customer service for feedback and solution.

Please wind the ribbon tightly according to the markings on the ribbon box before use.

If you don't need to save in the cloud, you can turn off the app's network permissions in the settings.