18. The method of claim 17 , wherein when the similar document is a revision, providing for revision to be replaced in the archive by the input document images.
17. A method for document management, comprising: automatically capturing image logs comprising images and job information for all jobs processed by at least one image output device, without provision for a user to select whether the images should be logged, the jobs comprising input documents being printed, copied, scanned, and faxed by any one of a plurality of image output devices within an organization, the image output devices being selected from printers, copiers, scanners, fax machines and multifunction devices; for each job for which an image log is captured, automatically determining whether a similar document exists by searching in: a) an archive which includes previously captured document images or digital versions thereof; b) the organization's document file system; c) optionally a repository of shared documents; and d) public documents; if a similar document is found to exist, automatically determining whether it is a matching document having a high degree of similarity with the input document or a revision having a lesser degree of similarity with the input document; and where the similar document is found to be a matching document, storing a location of the similar document; when the matching document is a digital document which is not already in the archive, providing for the digital document to be added to the archive and linked to a stored job record for the input document, enabling the images of the image log for the input document to be discarded; where the retrieved similar or matching document has access controls, including a reference to the access controls of the retrieved document in the stored job log and further including at least one of: a) storing user information from the record of the image log in the stored job log, whereby a leak of an access controlled document is attributable to the user which caused an input document to be processed by the image output device; and b) blocking processing of the input document by the image output device where the access controls of the retrieved matching document indicate that such processing should be blocked.