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US 2011/0211858 A1Published application
Voltage supplying unit of developing device and image forming apparatus having the same, and a method thereof
AssigneeSamsung Electronics Co., Ltd.
InventorMin-seon KIM
Life of this patent
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Abstract
An image forming apparatus includes a plurality of developing devices, a voltage generating part to generate a developing voltage, first switching parts to supply the voltage generated in the voltage generating part to a predetermined developing device out of the plurality of developing devices, a second switching part to selectively supply the developing voltage generated in the voltage generating part to the first switching parts, and a controller to control the first switching parts and the second switching part.
Claims6
An image forming apparatus, comprising:
- a plurality of developing devices;
- a plurality of first switching parts to selectively supply a developing voltage to at least one developing device out of the plurality of developing devices;
- a second switching part to selectively supply the developing voltage the plurality of first switching parts;
- and
- a controller to control the plurality of first switching parts and the second switching part.
2 more elements
Dependencies are inferred from the claim text.