Book edge copier inversion sorting

In a document scanning system for deriving an electronic representation of an image on a document, provided with a scanning position having a book edge thereat accommodating a placement of a book for scanning, wherein for scanning opposed pages of a book, the book is placed with a single page at the scanning position for scanning, and subsequently manually rotated with respect to the scanning position for scanning an opposed page;

• means for effecting scanning of a document in a first direction at the scanning position with an array of photosensitive elements for detecting light reflected from the document and periodically producing a scan line of signals indicative of sensed reflected light, and an output to which electronic signals are directed in an order suitable for printing, the improvement comprising;
• means for effecting a reversed direction of scanning, said reversed scanning responsive to a direction reversing command thereto from a controller to scan the opposed page;
• means for reversing the order of signals in each scan line derived while scanning in the reversed direction, responsive to an order reversing command from said controller;
• means for designating to the controller that a book is being scanned;
• and
• said controller acting upon designation of book scanning to direct a direction reversing command to said scanning direction reversing means and an order reversing command to said signal order reversing means, to rotate every other document image in a set of documents scanned.

An electrophotographic imaging device, having an imaging position at which a bound original document set may be supported for imaging, the bound document set having at least one first and second original documents with opposed image surfaces, and the imaging position supporting only a single original document thereof for imaging, whereupon for second original document scanning, the bound original document set is manually rotated with respect to the scanning position to place the second original document at the scanning position for scanning;

• an imaging member with a photoconductive surface;
• a charging device for charging the photoconductive surface to a uniform potential;
• imaging means for illuminating a document at the scanning position, and directing light reflected therefrom to the surface to form at a first orientation a latent image of charged and discharged areas thereon;
• development means for developing the latent image with toner, and transfer means to transfer the toner in imagewise fashion to another surface;
• the imaging means further comprising:
• optical image rotation means, for rotating orientation of an original image with respect to a first orientation, said rotation means interposed between said original documents and the photoconductive surface, and having a first condition passing light reflected from the original documents to the photoconductive surface to form a latent image at a first orientation and having a second condition passing light from the original documents to the photoconductive surface to form a latent image at a second orientation;
• means for designating to a control means that a bound set of documents is being scanned;
• and
• said control means varying said rotation means from said first condition to said second condition for every other document in a set of documents scanned, upon designation to the controller that a bound set of documents is being scanned.