| 摘要 |
PURPOSE:To reduce restrictions on proper usage as much as possible while preventing the illicit usage of a copying machine. CONSTITUTION:In this copying machine 1 having a forgery preventing function for reading an original to discriminate the propriety of a duplication and inhibiting a normal copy in a duplication-inhibited original, an original discriminating means 250 discriminating the fact that the original is a pseudo duplication-inhibited original closely resembling the duplication-inhibited original or not and a copying control means 100 executing copying control so that when the original is the pseudo duplication-inhibited original in one side copying or the copying for one surface of both sides copying, a copied image forming position is deviated from a normal position based on the leading edge of a paper sheet as a reference are provided. |
