To solve the problem that when information stored in a database is printed as it is, articles are possibly printed in plural pages without being rearranged and hard to read and the printed articles need to be re-edited by reduction copying, cutting, pasting, etc., and filed.

Article information obtained by retrieval can be outputted in a specific size that a user desires by providing a function of enlarging or reducing or re-editing article information stored on a document server 15 to arbitrary print size. Since a mediation system 12 has an interface for a bar code reader 11, an interface function for a LAN 13, and a printing function, the user can immediately obtain and print or save an article.