An image processing apparatus includes a reading unit configured to read an open document. The open document includes a first page including a first image and a second page including a second image. The apparatus also includes a storing unit configured to store the first page read by the reading unit as first page image data including the first image, and to store the second page read by the reading unit as second page image data including the second image. The apparatus further includes a designating unit configured to identify whether the open document is a first type of open document or a second type of open document which is different than the first type of open document, a rotation unit configured to rotate the first page image data 180 degrees when the open document is the first type of open document and to rotate the second page image data 180 degrees when the open document is the second type of open document, and an output unit configured to record a portion of the first image data and a portion of the second image data on a single recording medium. Moreover, the portion of the first image data includes the first image and the portion of the second image data includes the second image, and an orientation of the first image data on the single recording medium is the same as an orientation of the second image data on the single recording medium.