Always refer to your roll laminator’s user manual for information on temperature settings.
In general, however, these are the temperature settings you would use:
For general purpose film: 1.5 mil runs at 290º–315º; 3 mil runs at 275º–300º.
For premium films: 1.7 mil runs at 220º–270º; 3 mil runs at 220º–270º; 5 mil runs at 240º–275º; 10 mil runs at 220º–260º.