Sheet feeder device and image forming apparatus
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United States of America Patent
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Jan 1, 2019
Grant Date -
Jul 20, 2017
app pub date -
Jan 11, 2017
filing date -
Jan 18, 2016
priority date (Note) -
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Abstract
A sheet feeder device that stores and sends out a transfer medium includes: a sheet feeder device main unit having an opening formed at an upper portion and including an upstream partial lid located on an upstream side and a downstream partial lid located on a downstream side, the upstream partial lid and the downstream partial lid covering at least part of the opening; a sheet feed tray provided in the sheet feeder device main unit, the transfer medium being loaded onto the sheet feed tray; an elevating unit configured to lift up and down the sheet feed tray; and a control unit configured to control the lifting up and down of the sheet feed tray, wherein the control unit senses opening and closing of the upstream partial lid and the downstream partial lid, and controls the lifting up and down being performed by the elevating unit.
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