A laminating arrangement includes a laminating roller and a radiating element to radiate energy therefrom. A reflector has a main body and is configured so that energy radiated from the radiating element is reflected and concentrated to exit the reflector in a direction towards the laminating roller. A thermal connector has first and second ends, the first end being in thermal contact with the main body of the reflector. When the radiating element is switched on, and the temperature of the second end of the thermal connector and the temperature of the surface of the laminating roller are approximately equal and below an optimal laminating temperature, the temperature of the second end of the thermal connector rises at substantially the same rate as the surface of the laminating roller. A thermometer is positioned to measure the temperature of the thermal connector at or near the second end.