Patent ID: 8346154
Filing Date: 2013-01-01
Classification: G03G

Abstract:
1. A conveyance control mechanism for a printer provided with an image forming unit configured to form an image on a sheet being conveyed on a conveyance route, the conveyance control mechanism comprising: a curl detector configured to detect a curl at either of a front end and a position other than the front end of a sheet in conveyance on the conveyance route, in an upstream of the image forming unit on the conveyance route; a conveyance route controller configured to control drive and stop of the conveyance route, the conveyance route controller configured to drive and stop the conveyance route differently depending on whether the curl detector detects the curl at the front end of the sheet or at the position other than the front end of the sheet; an image forming route included in the conveyance route, the image forming route being a place where the image forming unit performs an image formation; a retreat mechanism configured to separate and retreat the image forming route from the conveyance route; and a discharge controller configured to switch a sheet discharge process for a sheet in conveyance on the conveyance route, the discharge controller configured to drive the retreat mechanism to retreat the image forming route and discharge a sheet in conveyance onto the retreated image forming route, when the curl detector detects the curl of the sheet.