Transfer unit mounted on a pivotal upper cover

Details Transfer unit mounted on a pivotal upper cover Transfer unit mounted on a pivotal upper cover

1994-06-02

1995-09-19

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355200, G03G 1514

Patent

active

054520720

ABSTRACT:
An electrophotographic apparatus is provided with a photoconductive drum including an outer peripheral surface on which a latent image corresponding to an image to be transferred is formed, and a developing device for developing the latent image by a toner. The electrophotographic apparatus further includes a housing for rotatably supporting the photoconductive drum therein and having an opening on one side, a cover member for releasably closing the opening of the housing, and a transfer charger which is attached to one surface of the cover member opposing to the photoconductive drum, and which is provided for transferring the developed image onto a sheet-like member. A pre-roller is attached to an upstream end of a housing which houses the transfer charger. The pre-roller and the photoconductive drum are positioned relative to each other so that a gap of predetermined dimension is defined therebetween.

REFERENCES:
patent: 4544262 (1985-10-01), Kanemitsu et al.
patent: 4754293 (1988-06-01), Aizawa et al.
patent: 4952974 (1990-08-01), Mori
patent: 5008710 (1991-04-01), Kobayashi et al.
patent: 5016029 (1991-05-01), Mori et al.
patent: 5126796 (1992-06-01), Fujii et al.
patent: 5160963 (1992-11-01), Haneda et al.
patent: 5189469 (1993-02-01), Endo
patent: 5276536 (1994-01-01), Hokamura
patent: 5321479 (1994-06-01), Yoshida et al.

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