| 摘要 |
Apparatus for heat fixing toner images electrostatically adhered to copy paper. The apparatus is characterized by the provision of a radiant energy source together with a parabolic reflector and lens structure for focusing the energy onto the toner images. The lens structure in the preferred embodiment comprises a Fresnel lens which is fabricated in the form of a belt entrained about the reflector and energy source which belt is adapted to be moved relative to the reflector and the heat source.
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