Image forming system having use restriction function based on document format to be printed and use restriction method in the system

摘要

An image forming system includes: a data receiving unit for receiving data to be printed and an identifier of a user who demanded printing of the data; a determining unit for determining whether or not a document represented by the data received by the data receiving unit is in accordance with a predetermined format; and a print controller for permitting or restricting printing of the data, depending on the result of determination by the determining unit.