Image forming apparatus with motor drivers capable of directly communicating power abnormalities to other drivers
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United States of America Patent
Stats
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Aug 19, 2014
Grant Date -
Jun 21, 2012
app pub date -
Sep 28, 2011
filing date -
Dec 21, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An image forming apparatus is provided, which includes a control unit, one or more motors, and a plurality of power supply management devices each of which includes one or more driving circuits for driving the motors, one or more power supply circuits for supplying electricity to the control unit and an external device, a signal output unit issuing a halting signal to the other power supply management devices in response to detection of an abnormality in the power supply management device, a halting unit halting an operation of the power supply management device in response to receipt of a halting signal from one of the other power supply management devices and detection of the abnormality in the power supply management device, and a restoring unit restoring the halted operation of the power supply management device in response to a predetermined restoring condition being satisfied.
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