| 摘要 |
If failure occurs in a part of reading units during a document reading operation, a user restarts an image reading apparatus to allow resuming the reading operation from the image of the document next to the image of the already read document. An image reading apparatus determines whether reading operation for reading the document can be resumed by using a first reading unit or a second reading unit if failure occurs in at least one of the first reading unit and the second reading unit during the reading operation, and causes a nonvolatile memory to store an image of a document already read by the reading operation and the image reading apparatus to restart if the reading operation can be resumed.
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