An automated check processing system for accepting and processing checks from a customer, having a plurality of document scanners. The document scanners are adapted to obtain full images of checks fed into the document scanners and to obtain images of selected portions of the checks. A printer may be included for printing an authorization agreement on the checks and for inscribing a transaction amount on the checks. The system also utilizes a conveyor for returning the checks with the agreement to the customer for signing. The image scanned is then communicated to a central clearinghouse via a communication link.