| 摘要 |
A fixing heating roller 1 comprises a plurality of heating resistors 14,15,16,17 located on a thermally conductive surface 12 of roller 1. In the embodiment shown the four resistors extend over four respective zones of layer 12 of roller 1 and a thermally conductive non-stick layer 13 covers layer 12 and the resistors and prevents adherence of paper 20 to the roller 1. Circuit 22 controls the current supply to each of the resisitors. |
