Reason①: Your labels are loaded in upside down

Please ensure your labels are properly loaded. The print side is facing up. See the image below:


Reason②: Ensure your labels are "Direct Thermal" labels.

Reason③: Try to print out test page

 Download the Diagnostic Tool from U disk or www.phomemo.com

Click the "Print Test Page". If test print looks good, please try to print your label again.