As stated above document capture has the largest labor expenses. With a centralized capture facility these expenses can be substantially reduced. The centralized capture facility also provides the knowledge and expertise of an experienced staff. In this case the centralized capture facility would only delay the process. A possible solution to gain the benefits of a centralized capture facility would be to locate it in a centralized mailroom, where the incoming documents are initially received and sorted.
Backlogged documents can definitely take advantage of the centralized capture facility.