A system is provided for processing documents. In particular, the system is incorporates a feeder for feeding documents to a device for further processing of the documents. For instance, the system finds particular application in the field of document imaging in which a variety of documents of varying sizes and orientation are to be fed to an imaging system, such as a document scanner. The system may provide an input mechanism for easily identifying a characteristic of one of the documents and the system may include features for handling packets of documents.