Image forming apparatus, and method and computer-readable medium therefor
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United States of America Patent
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Jan 23, 2018
Grant Date -
Aug 17, 2017
app pub date -
Feb 15, 2017
filing date -
Feb 16, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes a controller configured to, each time an unpaired first pattern element formed on a recording medium is conveyed over a particular distance in a conveyance direction in response to a conveyor rotating by a first amount, control an image former to form a second pattern element to be paired with the unpaired first pattern element thereby forming a first test pattern, and each time an unpaired third pattern element formed on the recording medium is conveyed over a specific distance in the conveyance direction in response to the conveyor rotating by a second amount, control the image former to form a fourth pattern element to be paired with the unpaired third pattern element thereby forming a second test pattern. At least one of the first and second amounts is a non-integer multiple of a rotation amount of the conveyor that makes a single rotation.
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