Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-06-22

2009-10-20

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of transfer

C399S316000, C399S045000, C399S121000, C399S302000, C399S389000, C399S397000, C399S388000

Reexamination Certificate

active

07606507

ABSTRACT:
An image forming apparatus includes: a primary transfer section which transfers a toner image formed in an image forming section onto an intermediate transfer belt; a back-up roller arranged on an inner periphery side of the intermediate transfer belt; a secondary transfer roller that is in pressure contact with the back-up roller through the intermediate transfer belt and transfers the toner image from the intermediate transfer belt onto a transfer material while conveying the transfer material; a moving mechanism which moves a position where the secondary transfer roller is in contact with the back-up roller through the intermediate transfer belt; and a controller which controls the moving mechanism based on information relating to a thickness of the transfer material obtained by a thickness information obtaining section.

REFERENCES:
patent: 6002891 (1999-12-01), Shin
patent: 6349192 (2002-02-01), Yoshino et al.
patent: 7130568 (2006-10-01), Mochizuki
patent: 2008/0304878 (2008-12-01), Matayoshi
patent: 5-61365 (1993-03-01), None
patent: 5-127458 (1993-05-01), None
patent: 8-146860 (1996-06-01), None
patent: 2002-156839 (2002-05-01), None
patent: 2005-258288 (2005-09-01), None

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