Patent ID: 9104158
Filing Date: 2015-08-11
Classification: G03G

Abstract:
1. An image formation apparatus comprising: an image carrier on which a developer image is to be formed; an image transfer device configured to transfer the developer image formed on the image carrier to a medium at an image transfer position; a controller configured to control drive of the image carrier and the image transfer device; a first medium feeder including a feed roller configured to feed the medium to the image transfer position along a medium conveyance path extending from the first medium feeder to the image transfer position; and a medium detector provided between the feed roller and the image transfer position in the medium conveyance path, wherein the controller is configured to control the drive of the image carrier on the basis of a medium-detection result by the medium detector, and wherein the controller does not start driving the image carrier until the medium reaches at a predetermined position within a zone that allows transfer of the developer image to the medium to be performed at the image transfer position in time, wherein the first medium feeder is a medium cassette provided upstream of a primary medium feeder along the medium conveyance path, and wherein the medium detector is provided in the first medium feeder.