Image forming apparatus and light amount correction method

Details Image forming apparatus and light amount correction method Image forming apparatus and light amount correction method

2005-08-30

2005-08-30

Nguyen, Lamson (Department: 2853)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C250S559100, C399S043000, C400S708000

Reexamination Certificate

active

06937263

ABSTRACT:
An image forming apparatus including a detector, a write controller, and a light controller. The detector detects, with an optical sensor, an edge of a recording medium in a direction perpendicular to a reading medium convey direction. The write controller shifts an image write position in the direction perpendicular to the recording medium convey direction on the basis of a detection result of the detector. The light controller controls a light emission amount of the optical sensor to set an output of the optical sensor to a predetermined value at a predetermined portion in an area where the detection result of the optical sensor is effective.

REFERENCES:
patent: 4364062 (1982-12-01), Matsui
patent: 5294959 (1994-03-01), Nagao et al.
patent: 5754195 (1998-05-01), Yokono
patent: 6352332 (2002-03-01), Walker
patent: 6361139 (2002-03-01), Gomez et al.

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