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About Product:Set the knob to the required temperature position. If you do not know the best working position, 3. You can set the temperature at 100 ° C first and then adjust it extended according to the sealing effect. Must not start with 140 ° C above the high temperature, So as not to melt the plastic film in the machine, out of smoke. Thirdly, after the plastic seal temperature is the set value, Wait about 3 minutes for the temperature to settle down and then begin to seal the photo. Fourth, the completion of the plastic sealing fifth, Shut down