Image forming apparatus having a heater in contact with a film t

Details Image forming apparatus having a heater in contact with a film t Image forming apparatus having a heater in contact with a film t

1989-09-19

1991-08-27

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355285, 355290, G03G 2100

Patent

active

050437631

ABSTRACT:
An image fixing apparatus includes a heater which is fixed during an image fixing operation, a film for sliding movement of the heater, wherein a toner image on a recording material is heated by heat from the heater through the film, detecting means for detecting non-movement of the film, and power supply stopping means for stopping energization of the heater in response to an output of the detecting means.

REFERENCES:
patent: 3809475 (1974-05-01), Post et al.
patent: 3811828 (1974-05-01), Ohta et al.
patent: 3924945 (1975-12-01), Weigl
patent: 3948215 (1976-04-01), Namiki
patent: 3999851 (1976-12-01), Sakamaki et al.
patent: 4059394 (1977-12-01), Ariyama et al.
patent: 4438321 (1984-03-01), Moraw
patent: 4521095 (1985-06-01), Mayer
patent: 4566783 (1986-01-01), Schwierz et al.
patent: 4823163 (1989-04-01), Rollet et al.
Communication Indicating Documents Considered to be Relevant Citing Foreign counterpart.

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