Electrophotographic recording apparatus having improved residual

Details Electrophotographic recording apparatus having improved residual Electrophotographic recording apparatus having improved residual

1994-03-17

1996-01-02

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355301, 355303, G03G 2100

Patent

active

054813514

ABSTRACT:
In an electrophotograpic recording apparatus, a charge supply unit and a light erasing unit are disposed in the stated order when viewed in the direction in which a photoreceptor rotates, at a location between a transfer unit and a bias cleaning unit, and light from the light erasing unit is projected onto a photoreceptor surface area except the charge supplied area. A developing apparatus of the type in which a cleaner section for removing and collecting residual toner on a photoreceptor is coupled through a toner transport pipe with a toner hopper of a developing unit, wherein a meshed foreign material collector, which may be vibrated, is disposed at a location in a residual toner collecting path ranging from the cleaner section, the toner transport pipe, and the toner hopper.

REFERENCES:
patent: 3752576 (1973-08-01), Gerbasi
patent: 4054381 (1977-10-01), Bernhard
patent: 4319832 (1982-03-01), Sakamoto et al.
patent: 4389968 (1983-06-01), Satomura
patent: 4752805 (1988-06-01), Fukae et al.
patent: 4870465 (1989-09-01), Lindblad et al.
patent: 5200788 (1993-04-01), Thayer
patent: 5233398 (1993-08-01), Nimura et al.
patent: 5341201 (1994-08-01), Kedarnath et al.
patent: 5430527 (1995-07-01), Maruyama et al.

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