You need to tighten the the screw and make it won't be air leakage,then press the handle a few times and it will work.After you cutting，you need to loosen the screw, the air will be filled and it will adjust the height automatically.
Feeding Width:210mm(the shortest edge of cutting die should be smaller than 210mm)
Feeding Thickness:80mm(The cutting die should be thinner than 80mm)
Up Board Size:320*220mm
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