Sheet feeding apparatus and image forming apparatus
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Jan 23, 2017
filing date -
Jan 28, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sheet feeding apparatus includes a sheet presence/absence detection sensor configured to detect presence or absence of a sheet on a stacking device, a sheet surface detection sensor configured to detect that a stacking tray is raised to enable a sheet to be fed, a separation cam, and a control unit. The control unit is configured to determine that the mounting state of a feeding holder to a holder support unit is defective when the sheet surface detection sensor detects that the sheet can be fed when the sheet presence/absence detection sensor detects absence of a sheet before sheet feeding processing by a pickup roller.
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