Sheet feeding apparatus and image forming apparatus
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United States of America Patent
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Mar 29, 2016
Grant Date -
Mar 13, 2014
app pub date -
Aug 15, 2013
filing date -
Sep 7, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a sheet feeding apparatus and an image forming apparatus, which can set a sheet feeding interval to be short. The controller determines whether a sheet surface height of an uppermost sheet becomes a predetermined sheet surface height, based on a detection signal from a lower limit detection sensor, when a pickup roller abuts the uppermost sheet. When determining that the sheet surface height of the uppermost sheet becomes the predetermined sheet surface height, the controller feeds a predetermined number of sheets without performing detection by the lower limit detection sensor, and then controls a motor such that the uppermost sheet is located with an appropriate range by lifting a tray when feeding a next sheet.
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