Image forming apparatus

Details Image forming apparatus Image forming apparatus

2011-08-30

2011-08-30

Tran, Hoan (Department: 2884)

Electrophotography

Image formation

Transfer

C399S121000

Reexamination Certificate

active

08010027

ABSTRACT:
An image forming apparatus includes an image transfer belt, a first pressure member, a second pressure member, and an adjustable tension member. The image transfer belt is trained around multiple rollers for rotation along an endless belt travel path to convey an image for transfer to a recording sheet. The first pressure member is disposed on an outer surface of the image transfer belt. The second pressure member is disposed on an inner surface of the image transfer belt opposite the first pressure member. The first and second pressure members define an image transfer gap therebetween. The adjustable tension member is disposed on the image transfer belt adjacent the image transfer gap to adjust tension on the image transfer belt when the recording sheet enters and exits the image transfer gap.

REFERENCES:
patent: 6731899 (2004-05-01), Takahata et al.
patent: 7398042 (2008-07-01), Seo
patent: 04-242276 (1992-08-01), None
patent: 2008-040289 (2008-02-01), None
patent: 2008-139749 (2008-06-01), None
patent: 2008-191358 (2008-08-01), None
patent: 2008-262038 (2008-10-01), None
Office Action dated Feb. 23, 2011 issued in corresponding Chinese Application No. 200910168382.8.

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