Oil return and bubbling2

After the hot transfer film is printed, small bubbles of different sizes appear on the adhesive back surface, and there are cracking marks.

① Insufficient pre-baking time or insufficient temperature;

The front, middle and back heating of the printer needs to be turned on and kept at about 45 °C
increase the baking time, increase the oven length, and set the baking temperature at 130-150 DEG C

If the heat transfer film is affected by trend ink, please pull the outer ring off 5-10m before printing