Image forming apparatus with first and second power supply
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United States of America Patent
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Nov 17, 2015
Grant Date -
Jan 1, 2015
app pub date -
Jun 23, 2014
filing date -
Jun 28, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes a first power supply unit configured to generate first output power, a second power supply unit configured to generate second output power, a switching unit disposed on the primary side of the second power supply unit, a monitoring unit configured to monitor the second output power generated by the second power supply unit, a power source control unit supplied with the first output power, and configured to turn the switching unit ON or OFF, and a control unit supplied with the first output power, and configured to control operations of the power source control unit. When the second output power is lower than a threshold value, the power source control unit turns the switching unit OFF and then back to ON in a state where the first output power generated by the first power supply unit is supplied to the control unit.
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