Image forming apparatus, image forming method and image...

Details Image forming apparatus, image forming method and image... Image forming apparatus, image forming method and image...

2006-03-01

2009-06-02

Gray, David M (Department: 2852)

Electrophotography

Image formation

Transfer

Reexamination Certificate

active

07542706

ABSTRACT:
An image forming apparatus concurrently conducts alignment of toner images of respective color components on a transfer belt and alignment control of the toner images. In the image forming apparatus of this invention, when a region occupied by a composite toner image that is to be superposed on a transfer unit belt is ensured even excluding a region occupied by a test pattern, and when a predetermined condition to conduct alignment control is met (S505), an alignment control unit executes alignment control concurrently with ordinary composite toner image generation (S506, S507, S508, S503). Thus, the amount of time spent just for alignment control is reduced.

REFERENCES:
patent: 2004/0239746 (2004-12-01), Ozawa et al.
patent: 2005/0238372 (2005-10-01), Shinohara et al.
patent: 8-278680 (1995-04-01), None
patent: 2003295560 (2003-10-01), None

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