The causes frequently observed
(1) The media is not loaded.
(2) The media is not loaded correctly.
(3) The media sensor level is not set correctly.
(4) The media has jammed.
(5) A media sensor is not operating properly.
To clear the error:
Load the media and open/close the print head or press the left soft button (OFFLINE) or the Line button.
<Measure>
(1)(2) Load the media correctly.
(3) Adjust the media sensor level.
(4) Remove the jammed media.
Refer to the video for loading the media, for the media path, and for the operation of each part inside the product.
(5) Majority of causes are:
(a) The media sensor is dirty, or there is a label attached to it.
(b) The media sensor has poor sensitivity.
Please clean the media sensor.