1. A document processing device comprising: an input receptacle configured to receive a plurality of documents; an image scanner configured to obtain a document image of at least a portion of one side of each of said plurality of documents, said scanner further being configured to extract information from said document image; a transport mechanism configured to transport each of said plurality of documents one at a time from said input receptacle passed said image scanner and to an output receptacle; a controller coupled to said transport mechanism and to said image scanner, said controller configured to at least partially control said transport mechanism and said image scanner; a memory coupled to at least one of said controller and said image scanner, said memory being configured to store at least one of information extracted from said document image and master information identifying at least one of counterfeit and forged documents; and a processor coupled to said memory, said processor configured to compare said information extracted from said document image with master information stored in said memory, said master information for identifying at least one of counterfeit and forged documents, said processor further being configured to identify at least one of a suspected counterfeit and forged document based on said comparison operation; wherein said document processing device continuously transports documents during said comparison and identification operations, and wherein said information extracted from said document image at least partially contains character information obtained from a predetermined field of said document image, said processor containing a search routine configured to search said character information.