Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-05-22

2007-05-22

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Transfer

C399S384000, C399S164000, C399S165000

Reexamination Certificate

active

11053844

ABSTRACT:
In an image forming apparatus such as a color laser printer wherein a toner image is transferred onto a continuous paper, one or more of a exposure timing of each exposure device, a rotation speed of each image carrier device, a transfer bias voltage applied to each transfer device, and a wrap amount of each wrap device are controlled based on a coverage of a toner image formed on each image carrier device, thereby preventing a color-to-color registration state which tends to be caused due to a variation in the transport speed of the continuous paper in a transfer process.

REFERENCES:
patent: 5828937 (1998-10-01), Aerens et al.
patent: 6292649 (2001-09-01), Toyama et al.
patent: 6553206 (2003-04-01), Asuwa et al.
patent: 2003/0228182 (2003-12-01), Matsuduki
patent: 6-64244 (1994-03-01), None

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