Image forming apparatus having a toner recycling mechanism

Details Image forming apparatus having a toner recycling mechanism Image forming apparatus having a toner recycling mechanism

1993-06-10

1996-03-12

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355210, 355260, G03G 2100

Patent

active

054990904

ABSTRACT:
An image forming apparatus has a toner recycling mechanism for effecting toner recycling. The image forming apparatus includes a developing unit accommodating developer for developing an electrostatic latent image formed on the surface of a photosensitive member, a cleaning unit for recovering developer remaining on the surface of the photosensitive member after development, and a toner recycling assembly. The toner recycling assembly includes a developer conveyor pipe through which the developer recovered by the cleaning unit is conveyed to the developing unit for recycling of toner contained in the developer, and also includes a developer supply or transport pipe for supplying the developer accommodated in the developing unit to either the developer conveyor pipe or the cleaning unit.

REFERENCES:
patent: 3983841 (1976-10-01), Norton
patent: 4376578 (1983-03-01), Tanaka et al.
patent: 4389968 (1983-06-01), Satomura
patent: 4941022 (1990-07-01), Ohmura et al.

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