Electrophotography – Image formation – Transfer
Reexamination Certificate
2005-04-19
2005-04-19
Grainger, Quana (Department: 2852)
Electrophotography
Image formation
Transfer
Reexamination Certificate
active
06882819
ABSTRACT:
An image forming apparatus, having imaging units arranged alternately on both sides of a continuous paper web, is characterized by minimized image misregistration and reduced processing cost. In order to prevent possible color misregistration caused by changes in paper feed path length resulting from the eccentricity of each drive roller, the difference in the eccentric phases of the rollers on the front and back surfaces is controlled, thereby minimizing the difference in changes in paper feed path length.
REFERENCES:
patent: 62-59977 (1987-03-01), None
patent: 2001-188395 (2001-07-01), None
Asuwa Kenji
Nakajima Isao
Sato Kazutaka
Yagi Masahiro
Antonelli Terry Stout & Kraus LLP
Grainger Quana
Hitachi , Ltd.
Hitachi Printing Solutions, Ltd.
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