Patent ID: 8761622
Filing Date: 2014-06-24
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a conveyor member configured to rotate; an optical sensor comprising: an image forming portion configured: a drive portion configured to perform: a controller configured: wherein the conveyor member is a medium conveyor member configured to convey the image recording medium during the forming of the print image on the image recording medium by the image forming portion, wherein the rotation for nondetection comprises at least one of: wherein the controller is configured to use a conveyance area to determine an amount of adjustment for the value of the sensitivity for the optical sensor by using an amount of the received light reflected at least from a portion of the conveyance area, when at least one of a plurality of criteria is met, wherein the at least one of the plurality of criteria is selected from the group consisting of: wherein the conveyance area is a portion of a surface of the conveyor member and is equivalent in size to an image recording medium area.