Developing device and image forming apparatus having developer carrying and stirring control
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Nov 17, 2016
filing date -
May 23, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A developing device includes a developing container accommodating a developer including toner and magnetic particles, a developer carrying member rotatably provided opposed to an opening of the developing container, a stirring member configured to stir the developer in the developing container to supply the developer to the developer carrying member, a first driving device configured to drive the developer carrying member, and a second driving device configured to drive the stirring member. A controller controls drive of the first driving device and the second driving device so that in a period from output of either earlier one of a stop signal of the first driving device and a stop signal of the second driving device to rotational speeds of both of the developer carrying member and the stirring member becoming not more than ½ of rotational speeds in a steady state during image formation.
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