Image-forming apparatus having cleaning roller to remove...

Details Image-forming apparatus having cleaning roller to remove... Image-forming apparatus having cleaning roller to remove...

2006-08-31

2008-10-21

Gray, David M (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S297000, C399S302000

Reexamination Certificate

active

07440711

ABSTRACT:
An image-forming apparatus includes an image-bearing member supporting a toner image; a transfer roller that rotates in contact with the image-bearing member so as to transfer the toner image to a recording material; first and second cleaning rollers, each having a brush provided on a circumferential surface thereof so as to electrostatically recover toner deposited on the transfer roller while rotating in contact therewith; a recovery roller that rotates in contact with the first and second cleaning rollers to electrostatically recover the toner therefrom; and a blade-like removing member that comes in contact with the recovery roller so as to remove the toner therefrom.

REFERENCES:
patent: 4469435 (1984-09-01), Nosaki et al.
patent: 5101238 (1992-03-01), Creveling et al.
patent: 5233398 (1993-08-01), Nimura et al.
patent: 61-073948 (1986-04-01), None
patent: 02-93674 (1990-04-01), None
patent: 06-059856 (1994-03-01), None
patent: 2000-122447 (2000-04-01), None
patent: 2004-310060 (2004-11-01), None
patent: 2005-315987 (2005-11-01), None

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