Image forming apparatus including first detection sensor and second detection sensor for detecting density detection pattern
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United States of America Patent
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Apr 19, 2016
Grant Date -
Oct 8, 2015
app pub date -
Mar 26, 2015
filing date -
Apr 2, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes: a formation unit configured to form a first detection pattern for density detection on an image carrier for each color used in image formation; and a first sensor and a second sensor configured to detect the first detection pattern formed on the image carrier, the first detection pattern moving in a movement direction of a surface of the image carrier as the image carrier rotates. The formation unit is further configured to form the first detection pattern on the image carrier such that a first detection pattern of an chromatic color is detected by the first sensor and a first detection pattern of an achromatic color is detected by the second sensor, and additionally form a second detection pattern for misregistration detection on the image carrier when forming the first detection pattern on the image carrier.
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