| 摘要 |
Heat and pressure fuser apparatus for fixing toner images to substrates passing through a nip formed between two pressure engaged roll structures, at least one of the roll structures being heated and contacting the toner images as the substrates pass through the nip. The apparatus being characterized by a heated fuser roll structure having a thin circumferential wall wherein reinforcing structure is provided internally thereof for rendering the thin circumferential wall sufficiently rigid to withstand the pressures to which it is subjected during fusing.
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