Image forming apparatus having opening mechanism for jam clearance
AssigneeCanon Kabushiki Kaisha
InventorsKazushi Kitajima, Tamotsu Okada
Life of this patent
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Abstract
An image forming apparatus includes image forming device for forming an unfixed image on a recording material; a fixing device for fixing the unfixed image on the recording material, the fixing device including a heater which is stationary in use, a film in sliding contact with the heater and a pressing member cooperative with the film to form a nip for receiving the recording material, and an opening portion for opening the apparatus for permitting jam clearance operation of the recording material in the fixing device. The pressing member and the film are separated from each other in association with opening of the opening portion.
Claims23
An image forming apparatus, comprising:
- image forming means for forming an unfixed image on a recording material;
- fixing means for fixing the unfixed image on the recording material, said fixing means including a heater, an endless film having a surface parting layer and a pressing member cooperative with said film to form a nip for receiving the recording material;
- means for driving said endless film;
- an opening portion for opening said apparatus for permitting a jam clearance operation of a jammed recording material in said fixing means;
- wherein lateral movement of said film is inhibited when the film is not driven, and said pressing member and said film are separated from each other in association with opening of said opening portion.
An image forming apparatus, comprising:
- image forming means for forming an unfixed image on a recording material;
- fixing means for fixing the unfixed image on the recording material, said fixing means includes a heater which is stationary in use, a film in sliding contact with said heater and a pressing member cooperable with said film to form a nip for receiving the recording material;
- and
- an opening portion for exposing said pressing member while said film is unexposed,
- wherein said image forming means includes an image bearing member for carrying the unfixed image and image transfer means for transferring the unfixed image from the image bearing member to the recording material, and wherein an image transfer station having the transfer means is opened by opening said opening portion.
An image forming apparatus, comprising:
- means for forming an unfixed image on a recording material;
- fixing means for foxing the unfixed image on the recording material, said fixing means including a heater, a film and a pressing member cooperative with said film to form a nip for receiving the recording material;
- and
- an opening portion formed in a frame opposite to said nip from said film.
Dependencies are inferred from the claim text.