| 摘要 |
An image forming apparatus according to the invention includes: a sensor disposed under an original stand, on which an original is placed, to be in close contact with the original stand; a first light source that irradiates light on a scanning area of the original from a direction obliquely below the original; and a second light source that is disposed in a position opposite to the first light source across the sensor and irradiates light from a direction obliquely below the original opposite to a direction of the light irradiated from the first light source. When the original is not a stuck original, the first light is turned on and, when the original is a stuck original, the first light source and the second light source are turned on. According to the image forming apparatus according to the invention, it is possible to reduce power consumption while preventing occurrence of an original shade of a stuck original in a contact-type optical system.
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