Electrophotography – Image formation – Transfer
Reexamination Certificate
2008-05-20
2008-05-20
Brase, Sandra L. (Department: 2852)
Electrophotography
Image formation
Transfer
C347S116000
Reexamination Certificate
active
07376376
ABSTRACT:
An image forming apparatus includes a plurality of image bearing members configured to bear respective images, an optical writing unit configured to write the respective images on the plurality of image bearing members by deflecting a laser beam on a polygon mirror, a transfer unit configured to transfer the respective images onto an image receiving member, and a controlling unit configured to perform an adjustment of a difference in phase of respective rotation speeds between the plurality of image bearing members at a timing of one of non-image forming operations during a series of image forming operations performed by the plurality of image bearing members, the optical writing unit, and the transfer unit.
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patent: 6154628 (2000-11-01), Kawano
patent: 6408157 (2002-06-01), Tanaka et al.
patent: 2005/0058470 (2005-03-01), Funamoto et al.
patent: 2005/0084293 (2005-04-01), Fukuchi et al.
patent: 2005/0207799 (2005-09-01), Ebara
patent: 2000-298385 (2000-10-01), None
patent: 2004-198630 (2004-07-01), None
Ebara Joh
Uchida Toshiyuki
Brase Sandra L.
Harness Dickey & Pierce PLC
Ricoh & Company, Ltd.
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