Image forming apparatus and method mitigating effects of...

Facsimile and static presentation processing – Static presentation processing – Flying dot

Reexamination Certificate

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C358S003260, C358S501000, C358S504000, C358S525000

Reexamination Certificate

active

08004715

ABSTRACT:
An image forming apparatus has a scanning unit capable of forming a plurality of lines of an image simultaneously by scanning, in a main scanning direction, laser beam that has been emitted from a plurality of laser emitting devices. The apparatus has a memory for storing an error characteristic, in a sub-scanning direction with respect to an ideal scanning line in the main scanning direction, of a scanning line scanned by the scanning unit. A line on which image data is read out is changed over in accordance with a line changeover position in the main scanning direction based upon the error characteristic and a revised pixel position in the main scanning direction in the image data.

REFERENCES:
patent: 2009/0034004 (2009-02-01), Nakamura
patent: 2009/0034007 (2009-02-01), Sano et al.
patent: 2009/0034029 (2009-02-01), Nakamura
patent: 2009/0034034 (2009-02-01), Ido
patent: 2009/0059323 (2009-03-01), Ido
patent: 2-50176 (1990-02-01), None
patent: 2003-276235 (2003-09-01), None
patent: 2005-96351 (2005-04-01), None
patent: 2005-304011 (2005-10-01), None

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