Thermal fixing device in an image recording apparatus

Details Thermal fixing device in an image recording apparatus Thermal fixing device in an image recording apparatus

1990-12-26

1992-09-01

Hix, L. T.

Photocopying

Projection printing and copying cameras

With developing

G03B 2752

Patent

active

051443600

ABSTRACT:
A thermal fixing device mounted in an image recording apparatus, includes a presser-roller automatically moved away from a heat roller when a predetermined period of time or more elapses after completion of the thermal fixing of a recording medium, on or before a subsequent recording medium is fed, thus avoiding the continuity of a state in which a thermal fixing belt for feeding the recording medium is interposed and pressed between the heat roller and the presser-roller over a long period of time. Accordingly, this thermal fixing device enables the prevention of deformation in the thermal fixing belt by heat and pressure and achieves stable use of the thermal fixing belt.

REFERENCES:
patent: 4305768 (1981-12-01), Lontz
patent: 4954845 (1990-09-01), Yano et al.
patent: 4996553 (1991-02-01), Takagi

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