Image forming apparatus
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United States of America Patent
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Jul 28, 2015
Grant Date -
Mar 20, 2014
app pub date -
Sep 5, 2013
filing date -
Sep 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus, including: an image forming unit configured to form toner images on an image bearing member and toner patterns for detecting a relative position of the toner images; a detection unit having a light emission unit and a light receiving unit configured to receive reflection light from the image bearing member and the toner patterns to output an analog signal; a conversion unit configured to convert the analog signal into a digital signal based on a threshold value; a correction unit configured to correct a misregistration between the toner images on a recording medium based on the digital signal; and a control unit configured to control, when values of the analog signal includes a value lower than the threshold value, light intensity of the light emission unit so that the values of the analog signal become higher than the threshold value.
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