Mug Press 1 : 30OZ tumbler press ( D:2.65″-3.4″, L:10.6″). It transfers vibrant images and designs from sublimation and dissolved printing ink onto ceramics, glass, and textiles like cotton, flax, chemical fiber, and nylon.
If the display is normal, then maybe is the second situation of “b”, the thread wire were disconnect. If still showing 3 line, then is the first situation of “a”, the socket wire were fall out or break.