Image forming apparatus
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United States of America Patent
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Oct 22, 2019
Grant Date -
Oct 6, 2016
app pub date -
Mar 31, 2016
filing date -
Mar 31, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An image forming apparatus having a controller and capable of forming images in double-face printing is provided. The controller conducts a measuring process to measure a time period corresponding to a sheet length; a comparison process to compare a measured value with a switch threshold value being a value in a range of a measurement error allowed to the measured value; and one of a first conveying process, in which a conveying unit is driven to convey a predetermined number of sheets circulating in a conveying path, and a second conveying process, in which the conveying unit is driven to convey a greater number of sheets than the predetermined number circulating in the conveying path. The controller conducts the first conveying process when the measured value is greater than the switch threshold value and conducts the second conveying process when the measured value is smaller than the switch threshold value.
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