摘要 |
An image reader is provided, which includes a first image reading unit configured to read an image on a first side of a first document sheet being conveyed on a feeding path, and output an analog signal corresponding to the read image of the first side, a second image reading unit configured to read an image on a second side opposite to the first side of the first document sheet being conveyed on the feeding path, and output a digital signal corresponding to the read image of the second side in a differential transmission method, and a processor configured to process the analog signal output from the first reading unit and the digital signal output from the second image reading unit. |