Patent ID: 8681373
Filing Date: 2014-03-25
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image forming part which forms printed images of a single color and one or more alternate printed images on pages of a recording medium by using different colors of developing agents for the printed and alternate printed images; a controller which controls the image forming part to form the one or more alternate printed images by using colored developing agents not used to form the printed images, if a print job comprises images of a single color and a number of pages that is at least a reference number of pages; and wherein the controller controls the image forming part to form the one or more alternate printed images at an interval among the printed images on every Nth page of the current print job being processed, N being an integer value; wherein the every Nth page on which the alternate printed image is formed is included in pages corresponding to the current print job.