Belt driving device and image forming apparatus

Details Belt driving device and image forming apparatus Belt driving device and image forming apparatus

2009-04-08

2011-10-11

Lee, Susan (Department: 2884)

Electrophotography

Image formation

Transfer

Reexamination Certificate

active

08036582

ABSTRACT:
In an image forming apparatus, during a rotation of an intermediate transfer belt performed after a contact-state-changing rotation in which the number of photoconductors contacting the intermediate transfer belt has changed, a control unit of a belt driving device controls the driving speed of a belt driving motor based on a period of the intermediate transfer belt determined in the rotation immediately before the contact-state-changing rotation instead of a period determined in the contact-state-changing rotation.

REFERENCES:
patent: 5995802 (1999-11-01), Mori et al.
patent: 7248820 (2007-07-01), Iwasaki
patent: 2002/0122678 (2002-09-01), Chapman et al.
patent: 2007/0212127 (2007-09-01), Yoshiyama et al.
patent: 3186610 (2001-05-01), None
patent: 2002-230537 (2002-08-01), None
patent: 2005-049413 (2005-02-01), None
patent: 3658262 (2005-03-01), None
patent: 2005-115398 (2005-04-01), None
patent: 2006-106642 (2006-04-01), None
Abstract of JP 10-078734 published Mar. 24, 1998.
Abstract of JP 2000-310897 published Nov. 7, 2000.

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