If flashing red is every 2 seconds:
- No label is loaded, it will be red. Ensure that the labels are loaded correctly.
- Wrong paper size. Please click this link to run automatic label identification
- Label quality has an issue, the sensor can not detect it. Please ensure to use the right quality label, suggest to order from Jadens store.
If flashing red is 2 times per second:
- The printer cover is not closed well. Check that the printer cover is completely closed.