Patent ID: 9128439
Filing Date: 2015-09-08
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a plurality of image forming units configured to form an image in different colors; a conveyance mechanism configured to convey a first pattern formed using at least a first image forming unit of the plurality of image forming units, that forms the image in a first color, and to convey a second pattern formed using a second image forming unit of the plurality of image forming units, that forms the image in a second color; a detection unit configured to detect the first pattern conveyed by the conveyance mechanism and the second pattern conveyed by the conveyance mechanism; and a control unit configured to control, when a first condition is satisfied, a timing of conveying a recording sheet to which the image formed using at least the first image forming unit is transferred on the basis of a first time required after the formation of the first pattern and before the detection of the first pattern by the detection unit, the control unit being further configured to control, when a second condition is satisfied, a timing of conveying the recording sheet to which the image formed using the second image forming unit is transferred on the basis of a second time required after the formation of the second pattern and before the detection of the second pattern by the detection unit,