Electrophotographic copying apparatus

Details Electrophotographic copying apparatus Electrophotographic copying apparatus

1990-12-04

1992-07-14

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355273, G03G 1520

Patent

active

051307537

ABSTRACT:
A copy sheet, to which a developed image has been transferred by a transfer device, continues to be attracted to a copy sheet carrying surface of an insulating film and delivered toward a fusing roller pair. A force in a direction for pressing the copy sheet toward the insulating film is exerted, by an attraction strengthening device, on the copy sheet which is passing the vicinity of a downstream end of the copy sheet carrying surface after the transfer operation. This force strengthens a force for retaining the copy sheet on the copy sheet carrying surface of the insulating film, so as to hinder a portion of the copy sheet from being bent upwardly to the side of a photoreceptor and separated from the insulating film. Thus, separation of the copy sheet from the insulating film can be prevented from extending as far as a transfer position.

REFERENCES:
patent: 4369729 (1983-01-01), Shigenobu et al.
patent: 4407580 (1983-10-01), Hashimoto et al.

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