Image forming apparatus
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United States of America Patent
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May 17, 2016
Issued Date -
N/A
app pub date -
Sep 4, 2015
filing date -
Sep 10, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes an optical detecting device; a movable unit including a rotatable member having a first light-blocking surface and a second light-blocking surface; and a control unit. The movable unit rotates with rotation of the rotatable member so that the second light-blocking surface is movable to a first position where the optical detecting device is light-blocked and a second position where the optical detecting device is not light-blocked, and includes a locking member for locking the second light-blocking surface in the second position. When the first and second light-blocking surfaces pass through a detecting portion of the optical detecting device, the control unit discriminates a state of the movable unit on the basis of a detection result of the optical detecting device.
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