Please note: This form is for business inquiries only. For product support, click 【After sales】

Barcode printer red light flashing (E750W, ES340).

Hello, this fault is due to no paper being detected. Please confirm the following points:

1. Whether the paper is installed normally, and if there is any jamming issue.

2. Reposition the paper, open the Delli label printer user tool, 【Restore Factory Defaults】 - 【Calibrate Label Threshold】.


Does it help?
Yes
No
Contact us