Patent ID: 9618893
Date: 2017-04-11
CPC Classifications: G03G

Claim:
1. An image formation device comprising: an image formation unit configured to perform image formation processing of forming a print image based on a print job on a long medium using developers of different colors; a misregistration check image formation unit configured to control the image formation unit to cause the image formation unit to form a misregistration check pattern on the medium; a misregistration correction amount input unit configured to receive input of an amount of misregistration correction to be applied to the image formation unit; and a controller configured to correct misregistration in the image formation processing by the image formation unit, based on the amount of misregistration correction received by the misregistration correction amount input unit, wherein the image formation unit further comprises the image formation unit is capable of forming an image on the medium in any one of a first image formation mode where the medium is cut after the image formation processing and a second image formation mode where the medium is not cut after the image formation processing, the image formation device further comprises an automatic misregistration correction unit configured to, after the medium is cut after the image formation unit executes the image formation processing in the first image formation mode, control the image formation unit to cause the image formation unit to form an automatic misregistration correction pattern on the transport belt, control the sensor to make the sensor detect the automatic misregistration correction pattern on the transport belt, and obtain an amount of misregistration correction to be applied to the image formation unit based on a result of the detection by the sensor, the misregistration check image formation unit is configured, after the image formation unit executes the image formation processing in the second image formation mode, to control the image formation unit to cause the image formation unit to form the misregistration check pattern on the medium, and the controller is configured to correct the misregistration in the image formation processing by the image formation unit, based on the amount of misregistration correction obtained by the automatic misregistration correction unit or the amount of misregistration correction received by the misregistration correction amount input unit.