Toner recovery system which detects linear movement of a recover

Details Toner recovery system which detects linear movement of a recover Toner recovery system which detects linear movement of a recover

1993-11-24

1995-03-21

Braun, Fred L.

Photocopying

Contact printing

Light boxes

G03G 2100

Patent

active

054001277

ABSTRACT:
A toner recovery system is adapted to an image forming apparatus which carries out an image forming operation to form prints of a toner image on a photosensitive body using a toner. The toner recovery system includes a toner recovery unit for recovering the toner which remains on the photosensitive body after the image forming operation for each print, a recovered toner tank for accommodating the toner recovered by the toner recovery unit, a transport unit for transporting the toner recovered by the toner recovery unit to the recovered toner tank by moving in a first direction with a first force, a detector for detecting a movement of the transport unit in a second direction which is opposite to the first direction caused by an overflow of the recovered toner in the recovered toner tank, and a control circuit for controlling the transport unit to transport the recovered toner by moving in the first direction with a second force which is greater than the first force if the detector detects the movement of the transport unit in the second direction.

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patent: 4982230 (1991-01-01), Ogura et al.
patent: 4982231 (1991-01-01), Matsuuchi
patent: 4989048 (1991-01-01), Arai et al.
patent: 5113227 (1992-05-01), Miyasaka
patent: 5268720 (1993-12-01), Saitoh et al.

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