NIIMBOT B21 Smart Label Printer with Tape Instruction Manual

How to Calibrate Clear Paper for B21 Printer

B21 Smart Label Printer with Tape

If you change clear paper, but the printer keeps delivering paper and can’t be stopped. Please use the following methods：

1. Open the lid and put in clear paper.
2.  Connect the printer with Niimbot APP.
3.  Click ‘Me’ — ‘My device’.
   
4. Click ‘Paper calibrate’.
   
5. Click ‘transparent’.
   
6. After the paper calibration is completed, please remove the clear paper and restart the printer. Then re-load the clear paper to start printing