CPC B65H 7/125 (2013.01) [B65H 7/18 (2013.01); B65H 2511/13 (2013.01); B65H 2511/524 (2013.01); B65H 2553/30 (2013.01)] | 12 Claims |
1. A medium conveying apparatus comprising:
a conveying roller to convey a rectangular medium; and
a processor to
generate an input image acquired by imaging the conveyed medium,
determine whether an overlap of the conveyed medium has occurred,
determine whether an outer shape of an object area included in the input image is rectangular,
determine whether a multi-feed of the medium has occurred based on whether it is determined that the overlap of the medium has occurred and whether the outer shape of the object area is rectangular, and
execute an abnormality processing when it is determined that the multi-feed of the medium has occurred.
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