Cleaning device for an image transfer belt device

Details Cleaning device for an image transfer belt device Cleaning device for an image transfer belt device

1998-03-20

1999-07-13

Grimley, Arthur T.

Electrophotography

Image formation

Transfer

399302, 399312, G03G 1516

Patent

active

059239360

ABSTRACT:
An image forming apparatus which utilizes an intermediate transfer belt. A cleaning device is provided to remove residual toner, etc., from the intermediate transfer belt and the cleaning device includes a cleaning blade, a bias roller, and a bias roller cleaning blade. The bias roller rotates in a same direction as that of the image transfer belt. Further, the cleaning blade and the bias roller cleaning blade can be of a same length and can be mounted to a same holder. The positioning of the bias roller and the bias roller cleaning blade can be offset towards a front portion of the image forming device relative to the image transfer belt cleaning blade, to ensure that toner which deposits on a front end of the image transfer belt, even if outside of an effective image area on the image transfer belt, is removed.

REFERENCES:
patent: 5335052 (1994-08-01), Sato et al.
patent: 5515146 (1996-05-01), Harasawa et al.
patent: 5559590 (1996-09-01), Arai et al.

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