SHEET FEEDING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE SHEET FEEDING DEVICE, AND IMAGE FORMING SYSTEM INCORPORATING THE SHEET FEEDING DEVICE
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United States of America Patent
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Issued Date -
Jul 11, 2019
app pub date -
Nov 6, 2018
filing date -
Jan 5, 2018
priority date (Note) -
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Abstract
A sheet conveying device includes a sheet loader, a loader elevating device, a sheet presence detector to detect a sheet on the sheet loader, and circuitry configured to determine whether the bundle of sheets is loaded on the sheet loader based on a detection result of the sheet presence detector and to control movement of the loader elevating device. The circuitry is configured to cause the loader elevating device to lift the sheet loader to a second position in response to a detection result of the sheet presence detector indicating absence of the sheet on the sheet loader at a first position and not to determine absence of the sheet when the circuitry causes the loader elevating device to lower the sheet loader from the second position to the first position after the circuitry causes the loader elevating device to lift the sheet loader to the second position.
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