<The causes frequently observed>
(1) Improper loading of the label
(2) Dirt such as adhesive or piece of label on the label route
< Measure >
(1) Please refer the below link and reload the label accordingly.
How to set and reload the media
(2) Please clean inside of the printer particularly the media route.
Please also refer to the below link for adjusting a vertical printing position.
Adjusting the Print Position
[02-00149-EN]