IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

摘要

PROBLEM TO BE SOLVED: To output a print in which the security is secured with one sheet and a necessary minimum amount of toner consumption.SOLUTION: An area separation section 202 areally separates image data for security printing into a document area and a pattern area when the security printing is executed. A mask area selection acceptance section 203 accepts selection from a user a pattern area desired as a mask area. A mask area changing section 204 changes the selected pattern area to a white area. A printing control section 205 executes printing of a masking print on the basis of the masking image data in which the pattern area is changed to the white area. A pattern area reproduction acceptance section 206 encourages a user to place the masking print on a manual tray and accepts selection of a pattern area corresponding to masking image data of the masking print when the reproduction printing is executed. A print control section 205 prints the pattern area in the white area of the masking print on the manual tray.SELECTED DRAWING: Figure 2