①The paper roll type is set incorrectly
For example: the label paper setting is called continuous paper, reset the printer and APP paper roll type: continuous paper, gap paper, black mark paper, it is necessary to distinguish clearly
②Wrong installation of paper roll holder
Enter the small label printing/Print master and enter mine, you can view the video of the paper roll mounting bracket, and then reinstall the paper roll bracket
③The printer detects abnormal paper
Please use alcohol to clean the sensor at the print head. Please use a cotton swab to wipe the alcohol for cleaning. The specific video can be viewed in my app in the app.
④The above problems have been checked and still cannot be solved, please return the goods to our company for testing