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US08205880B2 Sheet feeding device and skew detecting method 有权
送纸装置和偏斜检测方法

Sheet feeding device and skew detecting method
摘要:
A plurality of moving-amount detecting units respectively detects a moving amount of the sheet fed by a feeding unit at a plurality of points in a width direction of the sheet. A skew detecting unit detects a skew of the sheet based on the moving amount of the sheet detected by the moving-amount detecting units.
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