Patent ID: 8462382
Filing Date: 2013-06-11
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image forming section to form an image on either or both sides of a front and a back of a paper sheet based on a job, wherein the image forming section forms a sample image of the job on either or both of the front and the back of the paper sheet at a preset sample print timing; and a control section configured to control the image forming section so as to perform the following operations: control the image forming section to form front and back sample images combined with a registration image on the front and the back of the paper sheet, when the job being executed at the sample print timing is set to a both-side mode for forming front and back images on the front and the back of the paper sheet, and when an event, which is a causing factor for misregistration of the front and back images formed on the front and the back of the paper sheet, occurs before the sample print timing; and control the image forming section to form the front and back sample images without the registration image on the front and the back of the paper sheet, when the job being executed at the sample print timing is set to a both-side mode for forming the front and back images on the front and the back of the paper sheet, and when the event which is the causing factor doesn't occur before the sample print timing.